diff --git a/slither/__main__.py b/slither/__main__.py
index a2b3a395b..5f9a68158 100644
--- a/slither/__main__.py
+++ b/slither/__main__.py
@@ -25,7 +25,7 @@ from slither.utils.colors import red, yellow, set_colorization_enabled
 from slither.utils.command_line import (output_detectors, output_results_to_markdown,
                                         output_detectors_json, output_printers, output_printers_json,
                                         output_to_markdown, output_wiki, defaults_flag_in_config,
-                                        read_config_file, JSON_OUTPUT_TYPES)
+                                        read_config_file, JSON_OUTPUT_TYPES, DEFAULT_JSON_OUTPUT_TYPES)
 from crytic_compile import compile_all, is_supported
 from slither.exceptions import SlitherException
 
@@ -59,14 +59,16 @@ def process_single(target, args, detector_classes, printer_classes):
 def process_all(target, args, detector_classes, printer_classes):
     compilations = compile_all(target, **vars(args))
     slither_instances = []
-    results = []
+    results_detectors = []
+    results_printers = []
     analyzed_contracts_count = 0
     for compilation in compilations:
-        (slither, current_results, current_analyzed_count) = process_single(compilation, args, detector_classes, printer_classes)
-        results.extend(current_results)
+        (slither, current_results_detectors, current_results_printers, current_analyzed_count) = process_single(compilation, args, detector_classes, printer_classes)
+        results_detectors.extend(current_results_detectors)
+        results_printers.extend(current_results_printers)
         slither_instances.append(slither)
         analyzed_contracts_count += current_analyzed_count
-    return slither_instances, results, analyzed_contracts_count
+    return slither_instances, results_detectors, results_printers, analyzed_contracts_count
 
 
 def _process(slither, detector_classes, printer_classes):
@@ -78,18 +80,21 @@ def _process(slither, detector_classes, printer_classes):
 
     analyzed_contracts_count = len(slither.contracts)
 
-    results = []
+    results_detectors = []
+    results_printers = []
 
     if not printer_classes:
         detector_results = slither.run_detectors()
         detector_results = [x for x in detector_results if x]  # remove empty results
         detector_results = [item for sublist in detector_results for item in sublist]  # flatten
+        results_detectors.extend(detector_results)
 
-        results.extend(detector_results)
-
-    slither.run_printers()  # Currently printers does not return results
+    else:
+        printer_results = slither.run_printers()
+        printer_results = [x for x in printer_results if x]  # remove empty results
+        results_printers.extend(printer_results)
 
-    return slither, results, analyzed_contracts_count
+    return slither, results_detectors, results_printers, analyzed_contracts_count
 
 
 def process_from_asts(filenames, args, detector_classes, printer_classes):
@@ -320,9 +325,9 @@ def parse_args(detector_classes, printer_classes):
                             default=defaults_flag_in_config['json'])
 
     group_misc.add_argument('--json-types',
-                            help='Comma-separated list of result types to output to JSON, defaults to all, '
-                                 'available types: {}'.format(
-                                     ', '.join(output_type for output_type in JSON_OUTPUT_TYPES)),
+                            help=f'Comma-separated list of result types to output to JSON, defaults to ' +\
+                                 f'{",".join(output_type for output_type in DEFAULT_JSON_OUTPUT_TYPES)}. ' +\
+                                 f'Available types: {",".join(output_type for output_type in JSON_OUTPUT_TYPES)}',
                             action='store',
                             default=defaults_flag_in_config['json-types'])
 
@@ -538,6 +543,8 @@ def main_impl(all_detector_classes, all_printer_classes):
     crytic_compile_error.propagate = False
     crytic_compile_error.setLevel(logging.INFO)
 
+    results_detectors = []
+    results_printers = []
     try:
         filename = args.filename
 
@@ -548,21 +555,22 @@ def main_impl(all_detector_classes, all_printer_classes):
             if not filenames:
                 filenames = globbed_filenames
             number_contracts = 0
-            results = []
+
             slither_instances = []
             if args.splitted:
-                (slither_instance, results, number_contracts) = process_from_asts(filenames, args, detector_classes, printer_classes)
+                (slither_instance, results_detectors, results_printers, number_contracts) = process_from_asts(filenames, args, detector_classes, printer_classes)
                 slither_instances.append(slither_instance)
             else:
                 for filename in filenames:
-                    (slither_instance, results_tmp, number_contracts_tmp) = process_single(filename, args, detector_classes, printer_classes)
+                    (slither_instance, results_detectors_tmp, results_printers_tmp, number_contracts_tmp) = process_single(filename, args, detector_classes, printer_classes)
                     number_contracts += number_contracts_tmp
-                    results += results_tmp
+                    results_detectors += results_detectors_tmp
+                    results_printers += results_printers_tmp
                     slither_instances.append(slither_instance)
 
         # Rely on CryticCompile to discern the underlying type of compilations.
         else:
-            (slither_instances, results, number_contracts) = process_all(filename, args, detector_classes, printer_classes)
+            (slither_instances, results_detectors, results_printers, number_contracts) = process_all(filename, args, detector_classes, printer_classes)
 
         # Determine if we are outputting JSON
         if outputting_json:
@@ -574,8 +582,12 @@ def main_impl(all_detector_classes, all_printer_classes):
                 json_results['compilations'] = compilation_results
 
             # Add our detector results to JSON if desired.
-            if results and 'detectors' in args.json_types:
-                json_results['detectors'] = results
+            if results_detectors and 'detectors' in args.json_types:
+                json_results['detectors'] = results_detectors
+
+            # Add our printer results to JSON if desired.
+            if results_printers and 'printers' in args.json_types:
+                json_results['printers'] = results_printers
 
             # Add our detector types to JSON
             if 'list-detectors' in args.json_types:
@@ -589,15 +601,16 @@ def main_impl(all_detector_classes, all_printer_classes):
 
         # Output our results to markdown if we wish to compile a checklist.
         if args.checklist:
-            output_results_to_markdown(results)
+            output_results_to_markdown(results_detectors)
 
         # Dont print the number of result for printers
         if number_contracts == 0:
-            logger.warn(red('No contract was analyzed'))
+            logger.warning(red('No contract was analyzed'))
         if printer_classes:
             logger.info('%s analyzed (%d contracts)', filename, number_contracts)
         else:
-            logger.info('%s analyzed (%d contracts with %d detectors), %d result(s) found', filename, number_contracts, len(detector_classes), len(results))
+            logger.info('%s analyzed (%d contracts with %d detectors), %d result(s) found', filename,
+                        number_contracts, len(detector_classes), len(results_detectors))
         if args.ignore_return_value:
             return
 
@@ -626,7 +639,7 @@ def main_impl(all_detector_classes, all_printer_classes):
     if output_error:
         sys.exit(-1)
     else:
-        exit(results)
+        exit(results_detectors)
 
 
 if __name__ == '__main__':
diff --git a/slither/printers/abstract_printer.py b/slither/printers/abstract_printer.py
index 4926c1de2..3c7331138 100644
--- a/slither/printers/abstract_printer.py
+++ b/slither/printers/abstract_printer.py
@@ -1,5 +1,7 @@
 import abc
 
+from slither.utils import json_utils
+
 
 class IncorrectPrinterInitialization(Exception):
     pass
@@ -30,6 +32,39 @@ class AbstractPrinter(metaclass=abc.ABCMeta):
         if self.logger:
             self.logger.info(info)
 
+
+    def generate_json_result(self, info, additional_fields=None):
+        if additional_fields is None:
+            additional_fields = {}
+        d = json_utils.generate_json_result(info, additional_fields)
+        d['printer'] = self.ARGUMENT
+
+        return d
+
+    @staticmethod
+    def add_contract_to_json(e, d, additional_fields=None):
+        json_utils.add_contract_to_json(e, d, additional_fields=additional_fields)
+
+    @staticmethod
+    def add_function_to_json(e, d, additional_fields=None):
+        json_utils.add_function_to_json(e, d, additional_fields=additional_fields)
+
+    @staticmethod
+    def add_functions_to_json(e, d, additional_fields=None):
+        json_utils.add_functions_to_json(e, d, additional_fields=additional_fields)
+
+    @staticmethod
+    def add_file_to_json(e, content, d, additional_fields=None):
+        json_utils.add_file_to_json(e, content, d, additional_fields)
+
+    @staticmethod
+    def add_pretty_table_to_json(e, content, d, additional_fields=None):
+        json_utils.add_pretty_table_to_json(e, content, d, additional_fields)
+
+    @staticmethod
+    def add_other_to_json(name, source_mapping, d, slither, additional_fields=None):
+        json_utils.add_other_to_json(name, source_mapping, d, slither, additional_fields)
+
     @abc.abstractmethod
     def output(self, filename):
         """TODO Documentation"""
diff --git a/slither/printers/call/call_graph.py b/slither/printers/call/call_graph.py
index 4c9b9e385..2f224ece0 100644
--- a/slither/printers/call/call_graph.py
+++ b/slither/printers/call/call_graph.py
@@ -9,13 +9,10 @@ from collections import defaultdict
 from slither.printers.abstract_printer import AbstractPrinter
 from slither.core.declarations.solidity_variables import SolidityFunction
 from slither.core.declarations.function import Function
-from slither.core.declarations.contract import Contract
-from slither.core.expressions.member_access import MemberAccess
-from slither.core.expressions.identifier import Identifier
 from slither.core.variables.variable import Variable
-from slither.core.solidity_types.user_defined_type import UserDefinedType
 
-# return unique id for contract to use as subgraph name
+
+
 def _contract_subgraph(contract):
     return f'cluster_{contract.id}_{contract.name}'
 
@@ -163,13 +160,25 @@ class PrinterCallGraph(AbstractPrinter):
         if filename == ".dot":
             filename = "all_contracts.dot"
 
+        info = ''
+        results = []
         with open(filename, 'w', encoding='utf8') as f:
-            self.info(f'Call Graph: {filename}')
-            f.write('\n'.join(['strict digraph {'] + [self._process_functions(self.slither.functions)] +  ['}']))
-
+            info += f'Call Graph: {filename}'
+            content = '\n'.join(['strict digraph {'] + [self._process_functions(self.slither.functions)] +  ['}'])
+            f.write(content)
+            results.append((filename, content))
 
         for derived_contract in self.slither.contracts_derived:
             with open(f'{derived_contract.name}.dot', 'w', encoding='utf8') as f:
-                self.info(f'Call Graph: {derived_contract.name}.dot')
-                f.write('\n'.join(['strict digraph {'] + [self._process_functions(derived_contract.functions)] +  ['}']))
+                info += f'Call Graph: {derived_contract.name}.dot'
+                content = '\n'.join(['strict digraph {'] + [self._process_functions(derived_contract.functions)] +  ['}'])
+                f.write(content)
+                results.append((filename, content))
+
+        self.info(info)
+        json = self.generate_json_result(info)
+        for filename, content in results:
+            self.add_file_to_json(filename, content, json)
+
+        return json
 
diff --git a/slither/printers/functions/authorization.py b/slither/printers/functions/authorization.py
index 00af8f1a6..72fc532b3 100644
--- a/slither/printers/functions/authorization.py
+++ b/slither/printers/functions/authorization.py
@@ -6,6 +6,7 @@ from prettytable import PrettyTable
 from slither.printers.abstract_printer import AbstractPrinter
 from slither.core.declarations.function import Function
 
+
 class PrinterWrittenVariablesAndAuthorization(AbstractPrinter):
 
     ARGUMENT = 'vars-and-auth'
@@ -33,12 +34,22 @@ class PrinterWrittenVariablesAndAuthorization(AbstractPrinter):
                 _filename(string)
         """
 
+        txt = ''
+        all_tables = []
         for contract in self.contracts:
-            txt = "\nContract %s\n"%contract.name
+            txt += "\nContract %s\n"%contract.name
             table = PrettyTable(["Function", "State variables written", "Conditions on msg.sender"])
             for function in contract.functions:
 
                 state_variables_written = [v.name for v in function.all_state_variables_written()]
                 msg_sender_condition = self.get_msg_sender_checks(function)
                 table.add_row([function.name, str(state_variables_written), str(msg_sender_condition)])
-            self.info(txt + str(table))
+            all_tables.append((contract.name, table))
+            txt += str(table) + '\n'
+
+        self.info(txt)
+        json = self.generate_json_result(txt)
+        for name, table in all_tables:
+            self.add_pretty_table_to_json(table, name, json)
+
+        return json
\ No newline at end of file
diff --git a/slither/printers/functions/cfg.py b/slither/printers/functions/cfg.py
index 06be72636..191d63b5c 100644
--- a/slither/printers/functions/cfg.py
+++ b/slither/printers/functions/cfg.py
@@ -2,7 +2,7 @@
 """
 
 from slither.printers.abstract_printer import AbstractPrinter
-from slither.core.declarations.function import Function
+
 
 class CFG(AbstractPrinter):
 
@@ -18,9 +18,20 @@ class CFG(AbstractPrinter):
                 _filename(string)
         """
 
+        info = ''
+        all_files = []
         for contract in self.contracts:
             for function in contract.functions + contract.modifiers:
                 filename = "{}-{}-{}.dot".format(original_filename, contract.name, function.full_name)
-                self.info('Export {}'.format(filename))
-                function.slithir_cfg_to_dot(filename)
+                info += 'Export {}'.format(filename)
+                content = function.slithir_cfg_to_dot(filename)
+                with open(filename, 'w', encoding='utf8') as f:
+                    f.write(content)
+                all_files.append((filename, content))
+
+        self.info(info)
 
+        json = self.generate_json_result(info)
+        for filename, content in all_files:
+            self.add_file_to_json(filename, content, json)
+        return json
\ No newline at end of file
diff --git a/slither/printers/guidance/echidna.py b/slither/printers/guidance/echidna.py
index 288a4d1f5..f2034aa17 100644
--- a/slither/printers/guidance/echidna.py
+++ b/slither/printers/guidance/echidna.py
@@ -138,4 +138,6 @@ class Echidna(AbstractPrinter):
              'constants_used': cst_used,
              'constants_used_in_binary': cst_used_in_binary}
 
-        print(json.dumps(d, indent=4))
\ No newline at end of file
+        self.info(json.dumps(d, indent=4))
+
+        return d
\ No newline at end of file
diff --git a/slither/printers/inheritance/inheritance.py b/slither/printers/inheritance/inheritance.py
index c80fa7cb2..f3b970dfc 100644
--- a/slither/printers/inheritance/inheritance.py
+++ b/slither/printers/inheritance/inheritance.py
@@ -35,24 +35,46 @@ class PrinterInheritance(AbstractPrinter):
 
         info += blue('Child_Contract -> ') + green('Immediate_Base_Contracts')
         info += green(' [Not_Immediate_Base_Contracts]')
+
+        result = {}
+        result['child_to_base'] = {}
+
         for child in self.contracts:
             info += blue(f'\n+ {child.name}')
+            result['child_to_base'][child.name] = {'immediate': [],
+                                                   'not_immediate': []}
             if child.inheritance:
+
                 immediate = child.immediate_inheritance
                 not_immediate = [i for i in child.inheritance if i not in immediate]
+
                 info += ' -> ' + green(", ".join(map(str, immediate)))
+                result['child_to_base'][child.name]['immediate'] = list(map(str, immediate))
                 if not_immediate:
                     info += ", ["+ green(", ".join(map(str, not_immediate))) + "]"
+                    result['child_to_base'][child.name]['not_immediate'] = list(map(str, not_immediate))
 
         info += green('\n\nBase_Contract -> ') + blue('Immediate_Child_Contracts')
         info += blue(' [Not_Immediate_Child_Contracts]')
+
+        result['base_to_child'] = {}
         for base in self.contracts:
             info += green(f'\n+ {base.name}')
             children = list(self._get_child_contracts(base))
+
+            result['base_to_child'][base.name] = {'immediate': [],
+                                                  'not_immediate': []}
             if children:
                 immediate = [child for child in children if base in child.immediate_inheritance]
                 not_immediate = [child for child in children if not child in immediate]
+
                 info += ' -> ' + blue(", ".join(map(str, immediate)))
+                result['base_to_child'][base.name]['immediate'] = list(map(str, immediate))
                 if not_immediate:
                     info += ', [' + blue(", ".join(map(str, not_immediate))) + ']'
+                    result['base_to_child'][base.name]['not_immediate'] = list(map(str, immediate))
         self.info(info)
+
+        json = self.generate_json_result(info, additional_fields=result)
+
+        return json
diff --git a/slither/printers/inheritance/inheritance_graph.py b/slither/printers/inheritance/inheritance_graph.py
index 4dbed9e0b..52f4f32e2 100644
--- a/slither/printers/inheritance/inheritance_graph.py
+++ b/slither/printers/inheritance/inheritance_graph.py
@@ -156,14 +156,23 @@ class PrinterInheritanceGraph(AbstractPrinter):
             Args:
                 filename(string)
         """
+
         if filename == '':
             filename = 'contracts.dot'
         if not filename.endswith('.dot'):
             filename += ".dot"
         info = 'Inheritance Graph: ' + filename
         self.info(info)
+
+        content = 'digraph "" {\n'
+        for c in self.contracts:
+            content += self._summary(c) + '\n'
+        content += '}'
+
         with open(filename, 'w', encoding='utf8') as f:
-            f.write('digraph "" {\n')
-            for c in self.contracts:
-                f.write(self._summary(c))
-            f.write('}')
+            f.write(content)
+
+        json = self.generate_json_result(info)
+        self.add_file_to_json(filename, content, json)
+
+        return json
\ No newline at end of file
diff --git a/slither/printers/summary/constructor_calls.py b/slither/printers/summary/constructor_calls.py
index 66e64d626..d0edb93be 100644
--- a/slither/printers/summary/constructor_calls.py
+++ b/slither/printers/summary/constructor_calls.py
@@ -35,13 +35,13 @@ class ConstructorPrinter(AbstractPrinter):
 					stack_definition.append(self._get_soruce_code(cst))
 			if len(stack_name)>0:
 				print(" ",stack_name[len(stack_name)-1], sep=' ', end='', flush=True)
-				count = len(stack_name)-2;
+				count = len(stack_name)-2
 				while count>=0:
 					print("-->",stack_name[count], sep=' ', end='', flush=True)
-					count= count-1;
+					count= count-1
 				print("\n Constructor Definitions:")
 				count = len(stack_definition)-1
 				while count>=0:
 					print("\n Contract name:", stack_name[count])
 					print ("\n", stack_definition[count])
-					count = count-1;
+					count = count-1
diff --git a/slither/printers/summary/contract.py b/slither/printers/summary/contract.py
index 63a13fb95..df7742281 100644
--- a/slither/printers/summary/contract.py
+++ b/slither/printers/summary/contract.py
@@ -5,8 +5,8 @@ import collections
 from slither.printers.abstract_printer import AbstractPrinter
 from slither.utils.colors import blue, green, magenta
 
-class ContractSummary(AbstractPrinter):
 
+class ContractSummary(AbstractPrinter):
     ARGUMENT = 'contract-summary'
     HELP = 'Print a summary of the contracts'
 
@@ -20,28 +20,42 @@ class ContractSummary(AbstractPrinter):
         """
 
         txt = ""
+
+        all_contracts = []
         for c in self.contracts:
-            (name, _inheritance, _var, func_summaries, _modif_summaries) = c.get_summary(False)
-            txt += blue("\n+ Contract %s\n"%name)
-            # (c_name, f_name, visi, _, _, _, _, _) in func_summaries
-            public = [(elem[0], (elem[1], elem[2]) ) for elem in func_summaries]
+            txt += blue("\n+ Contract %s\n" % c.name)
+            additional_fields = {"elements": []}
 
+            # Order the function with
+            # contract_declarer -> list_functions
+            public = [(f.contract_declarer.name, f) for f in c.functions if (not f.is_shadowed)]
             collect = collections.defaultdict(list)
-            for a,b in public:
+            for a, b in public:
                 collect[a].append(b)
             public = list(collect.items())
 
             for contract, functions in public:
                 txt += blue("  - From {}\n".format(contract))
-                functions = sorted(functions)
-                for (function, visi) in functions:
-                    if visi in ['external', 'public']:
-                        txt += green("    - {} ({})\n".format(function, visi))
-                for (function, visi) in functions:
-                    if visi in ['internal', 'private']:
-                        txt += magenta("    - {} ({})\n".format(function, visi))
-                for (function, visi) in functions:
-                    if visi not in ['external', 'public', 'internal', 'private']:
-                        txt += "    - {}  ({})\n".format(function, visi)
+
+                functions = sorted(functions, key=lambda f: f.full_name)
+
+                for function in functions:
+                    if function.visibility in ['external', 'public']:
+                        txt += green("    - {} ({})\n".format(function, function.visibility))
+                    if function.visibility in ['internal', 'private']:
+                        txt += magenta("    - {} ({})\n".format(function, function.visibility))
+                    if function.visibility not in ['external', 'public', 'internal', 'private']:
+                        txt += "    - {}  ({})\n".format(function, function.visibility)
+
+                    self.add_function_to_json(function, additional_fields, additional_fields={"visibility":
+                                                                                              function.visibility})
+
+            all_contracts.append((c, additional_fields))
 
         self.info(txt)
+
+        json = self.generate_json_result(txt)
+        for contract, additional_fields in all_contracts:
+            self.add_contract_to_json(contract, json, additional_fields=additional_fields)
+
+        return json
diff --git a/slither/printers/summary/data_depenency.py b/slither/printers/summary/data_depenency.py
index c8fb38277..cbd36fcdb 100644
--- a/slither/printers/summary/data_depenency.py
+++ b/slither/printers/summary/data_depenency.py
@@ -25,6 +25,9 @@ class DataDependency(AbstractPrinter):
                 _filename(string)
         """
 
+        all_tables = []
+        all_txt = ''
+
         txt = ''
         for c in self.contracts:
             txt += "\nContract %s\n"%c.name
@@ -44,3 +47,12 @@ class DataDependency(AbstractPrinter):
                     table.add_row([v.canonical_name, _get(v, f)])
                 txt += str(table)
             self.info(txt)
+
+            all_txt += txt
+            all_tables.append((c.name, table))
+
+        json = self.generate_json_result(all_txt)
+        for name, table in all_tables:
+            self.add_pretty_table_to_json(table, name, json)
+
+        return json
diff --git a/slither/printers/summary/function.py b/slither/printers/summary/function.py
index 13650ba74..e9a71a965 100644
--- a/slither/printers/summary/function.py
+++ b/slither/printers/summary/function.py
@@ -5,6 +5,7 @@
 from prettytable import PrettyTable
 from slither.printers.abstract_printer import AbstractPrinter
 
+
 class FunctionSummary(AbstractPrinter):
 
     ARGUMENT = 'function-summary'
@@ -28,6 +29,9 @@ class FunctionSummary(AbstractPrinter):
                 _filename(string)
         """
 
+        all_tables = []
+        all_txt = ''
+
         for c in self.contracts:
             (name, inheritance, var, func_summaries, modif_summaries) = c.get_summary()
             txt = "\nContract %s"%name
@@ -62,3 +66,12 @@ class FunctionSummary(AbstractPrinter):
             txt += "\n\n"+str(table)
             txt += "\n"
             self.info(txt)
+
+            all_tables.append((name, table))
+            all_txt += txt
+
+        json = self.generate_json_result(all_txt)
+        for name, table in all_tables:
+            self.add_pretty_table_to_json(table, name, json)
+
+        return json
diff --git a/slither/printers/summary/function_ids.py b/slither/printers/summary/function_ids.py
index 7d6539bf1..5aee6529c 100644
--- a/slither/printers/summary/function_ids.py
+++ b/slither/printers/summary/function_ids.py
@@ -1,11 +1,9 @@
 """
     Module printing summary of the contract
 """
-import collections
 from prettytable import PrettyTable
 
 from slither.printers.abstract_printer import AbstractPrinter
-from slither.utils.colors import blue, green, magenta
 from slither.utils.function import get_function_id
 
 class FunctionIds(AbstractPrinter):
@@ -23,6 +21,7 @@ class FunctionIds(AbstractPrinter):
         """
 
         txt = ''
+        all_tables = []
         for contract in self.slither.contracts_derived:
             txt += '\n{}:\n'.format(contract.name)
             table = PrettyTable(['Name', 'ID'])
@@ -34,5 +33,12 @@ class FunctionIds(AbstractPrinter):
                     sig = variable.function_name
                     table.add_row([sig, hex(get_function_id(sig))])
             txt += str(table) + '\n'
+            all_tables.append((contract.name, table))
 
         self.info(txt)
+
+        json = self.generate_json_result(txt)
+        for name, table in all_tables:
+            self.add_pretty_table_to_json(table, name, json)
+
+        return json
\ No newline at end of file
diff --git a/slither/printers/summary/human_summary.py b/slither/printers/summary/human_summary.py
index d83fbb759..156e353fa 100644
--- a/slither/printers/summary/human_summary.py
+++ b/slither/printers/summary/human_summary.py
@@ -195,10 +195,22 @@ class PrinterHumanSummary(AbstractPrinter):
         txt = "\n"
         txt += self._compilation_type()
 
+        results = {
+            'contracts': {
+                "elements": []
+            },
+            'number_lines': 0,
+            'number_lines_in_dependencies': 0,
+            'standard_libraries': [],
+            'ercs': [],
+        }
+
         lines_number = self._lines_number()
         if lines_number:
             total_lines, total_dep_lines = lines_number
             txt += f'Number of lines: {total_lines} (+ {total_dep_lines} in dependencies)\n'
+            results['number_lines'] = total_lines
+            results['number_lines__dependencies'] = total_dep_lines
 
         number_contracts, number_contracts_deps = self._number_contracts()
         txt += f'Number of contracts: {number_contracts} (+ {number_contracts_deps} in dependencies) \n\n'
@@ -208,10 +220,12 @@ class PrinterHumanSummary(AbstractPrinter):
         libs = self._standard_libraries()
         if libs:
             txt += f'\nUse: {", ".join(libs)}\n'
+            results['standard_libraries'] = [str(l) for l in libs]
 
         ercs = self._ercs()
         if ercs:
             txt += f'ERCs: {", ".join(ercs)}\n'
+            results['ercs'] = [str(e) for e in ercs]
 
         for contract in self.slither.contracts_derived:
             txt += "\nContract {}\n".format(contract.name)
@@ -226,3 +240,31 @@ class PrinterHumanSummary(AbstractPrinter):
                 txt += self.get_summary_erc20(contract)
 
         self.info(txt)
+
+        for contract in self.slither.contracts_derived:
+            optimization, info, low, medium, high = self._get_detectors_result()
+            contract_d = {'contract_name': contract.name,
+                          'is_complex_code': self._is_complex_code(contract),
+                          'optimization_issues': optimization,
+                          'informational_issues': info,
+                          'low_issues': low,
+                          'medium_issues': medium,
+                          'high_issues': high,
+                          'is_erc20': contract.is_erc20(),
+                          'number_functions': self._number_functions(contract)}
+            if contract_d['is_erc20']:
+                pause, mint_limited, race_condition_mitigated = self._get_summary_erc20(contract)
+                contract_d['erc20_pause'] = pause
+                if mint_limited is not None:
+                    contract_d['erc20_can_mint'] = True
+                    contract_d['erc20_mint_limited'] = mint_limited
+                else:
+                    contract_d['erc20_can_mint'] = False
+                contract_d['erc20_race_condition_mitigated'] = race_condition_mitigated
+
+            self.add_contract_to_json(contract, results['contracts'], additional_fields=contract_d)
+
+        json = self.generate_json_result(txt, additional_fields=results)
+
+        return json
+
diff --git a/slither/printers/summary/modifier_calls.py b/slither/printers/summary/modifier_calls.py
index b76736937..fbc62c90d 100644
--- a/slither/printers/summary/modifier_calls.py
+++ b/slither/printers/summary/modifier_calls.py
@@ -6,6 +6,7 @@ from prettytable import PrettyTable
 from slither.core.declarations import Function
 from slither.printers.abstract_printer import AbstractPrinter
 
+
 class Modifiers(AbstractPrinter):
 
     ARGUMENT = 'modifiers'
@@ -20,6 +21,9 @@ class Modifiers(AbstractPrinter):
                 _filename(string)
         """
 
+        all_txt = ''
+        all_tables = []
+
         for contract in self.slither.contracts_derived:
             txt = "\nContract %s"%contract.name
             table = PrettyTable(["Function",
@@ -35,3 +39,9 @@ class Modifiers(AbstractPrinter):
                 table.add_row([function.name, [m.name for m in set(modifiers)]])
             txt += "\n"+str(table)
             self.info(txt)
+
+        json = self.generate_json_result(all_txt)
+        for name, table in all_tables:
+            self.add_pretty_table_to_json(table, name, json)
+
+        return json
\ No newline at end of file
diff --git a/slither/printers/summary/require_calls.py b/slither/printers/summary/require_calls.py
index 34149b07c..51c67284d 100644
--- a/slither/printers/summary/require_calls.py
+++ b/slither/printers/summary/require_calls.py
@@ -29,6 +29,8 @@ class RequireOrAssert(AbstractPrinter):
                 _filename(string)
         """
 
+        all_tables = []
+        all_txt = ''
         for contract in self.slither.contracts_derived:
             txt = "\nContract %s"%contract.name
             table = PrettyTable(["Function",
@@ -40,3 +42,11 @@ class RequireOrAssert(AbstractPrinter):
                 table.add_row([function.name, self._convert([str(m.expression) for m in set(require)])])
             txt += "\n"+str(table)
             self.info(txt)
+            all_tables.append((contract.name, table))
+            all_txt += txt
+
+        json = self.generate_json_result(all_txt)
+        for name, table in all_tables:
+            self.add_pretty_table_to_json(table, name, json)
+
+        return json
diff --git a/slither/printers/summary/slithir.py b/slither/printers/summary/slithir.py
index 70696c6fa..3466d0212 100644
--- a/slither/printers/summary/slithir.py
+++ b/slither/printers/summary/slithir.py
@@ -3,7 +3,6 @@
 """
 
 from slither.printers.abstract_printer import AbstractPrinter
-from slither.utils.colors import blue, green, magenta
 
 class PrinterSlithIR(AbstractPrinter):
 
diff --git a/slither/printers/summary/slithir_ssa.py b/slither/printers/summary/slithir_ssa.py
index c97a291fa..37acd457e 100644
--- a/slither/printers/summary/slithir_ssa.py
+++ b/slither/printers/summary/slithir_ssa.py
@@ -3,7 +3,7 @@
 """
 
 from slither.printers.abstract_printer import AbstractPrinter
-from slither.utils.colors import blue, green, magenta
+
 
 class PrinterSlithIRSSA(AbstractPrinter):
 
diff --git a/slither/printers/summary/variable_order.py b/slither/printers/summary/variable_order.py
index 48d96356b..ffee1f940 100644
--- a/slither/printers/summary/variable_order.py
+++ b/slither/printers/summary/variable_order.py
@@ -5,6 +5,7 @@
 from prettytable import PrettyTable
 from slither.printers.abstract_printer import AbstractPrinter
 
+
 class VariableOrder(AbstractPrinter):
 
     ARGUMENT = 'variable-order'
@@ -20,12 +21,23 @@ class VariableOrder(AbstractPrinter):
         """
 
         txt = ''
+
+        all_tables = []
+
         for contract in self.slither.contracts_derived:
             txt += '\n{}:\n'.format(contract.name)
             table = PrettyTable(['Name', 'Type'])
             for variable in contract.state_variables_ordered:
                 if not variable.is_constant:
                     table.add_row([variable.canonical_name, str(variable.type)])
+
+            all_tables.append((contract.name, table))
             txt += str(table) + '\n'
 
         self.info(txt)
+
+        json = self.generate_json_result(txt)
+        for name, table in all_tables:
+            self.add_pretty_table_to_json(table, name, json)
+
+        return json
\ No newline at end of file
diff --git a/slither/utils/command_line.py b/slither/utils/command_line.py
index ee9b70bbc..2ead86223 100644
--- a/slither/utils/command_line.py
+++ b/slither/utils/command_line.py
@@ -12,8 +12,8 @@ from .colors import yellow, red
 
 logger = logging.getLogger("Slither")
 
-DEFAULT_JSON_OUTPUT_TYPES = ["detectors"]
-JSON_OUTPUT_TYPES = ["compilations", "console", "detectors", "list-detectors", "list-printers"]
+DEFAULT_JSON_OUTPUT_TYPES = ["detectors", "printers"]
+JSON_OUTPUT_TYPES = ["compilations", "console", "detectors", "printers", "list-detectors", "list-printers"]
 
 
 # Those are the flags shared by the command line and the config file
diff --git a/slither/utils/json_utils.py b/slither/utils/json_utils.py
index b748a7a09..8aecc8230 100644
--- a/slither/utils/json_utils.py
+++ b/slither/utils/json_utils.py
@@ -297,6 +297,50 @@ def add_pragma_to_json(pragma, d, additional_fields=None):
     d['elements'].append(element)
 
 
+# endregion
+###################################################################################
+###################################################################################
+# region File
+###################################################################################
+###################################################################################
+
+
+def add_file_to_json(filename, content, d, additional_fields=None):
+    if additional_fields is None:
+        additional_fields = {}
+    type_specific_fields = {
+        'filename': filename,
+        'content': content
+    }
+    element = _create_base_element('file',
+                                   type_specific_fields,
+                                   additional_fields)
+
+    d['elements'].append(element)
+
+
+# endregion
+###################################################################################
+###################################################################################
+# region Pretty Table
+###################################################################################
+###################################################################################
+
+
+def add_pretty_table_to_json(content, name, d, additional_fields=None):
+    if additional_fields is None:
+        additional_fields = {}
+    type_specific_fields = {
+        'content': content,
+        'name': name
+    }
+    element = _create_base_element('pretty_table',
+                                   type_specific_fields,
+                                   additional_fields)
+
+    d['elements'].append(element)
+
+
 # endregion
 ###################################################################################
 ###################################################################################