diff --git a/src/docx_converter.py b/src/docx_converter.py
index 38efb1c..ac317d7 100644
--- a/src/docx_converter.py
+++ b/src/docx_converter.py
@@ -11,7 +11,7 @@ from bs4 import BeautifulSoup, NavigableString
 
 from config import BookLogger, BookApiWrapper, LawCartaConfig
 from html_preprocessor import HTMLPreprocessor
-from json_converter import JSONConverter
+from json_postprocessor import JSONConverter
 
 
 class Book:
@@ -202,7 +202,7 @@ class Book:
         parser = HTMLPreprocessor(html_soup, self.logger_object)
         content, footnotes, top_level_headers = parser.process_html(self.access, self.html_path, self.book_id)
         json_converter = JSONConverter(content, footnotes, top_level_headers, self.logger_object, self.book_api_wrapper)
-        content_dict = json_converter.convert_to_json()
+        content_dict = json_converter.convert_to_dict()
         self.write_to_json(content_dict)
         self.write_html_from_list(parser.body_tag)
 
@@ -223,7 +223,7 @@ class Book:
         content, footnotes, top_level_headers = parser.process_html(self.access, self.html_path, self.book_id)
 
         json_converter = JSONConverter(content, footnotes, top_level_headers, self.logger_object, self.book_api_wrapper)
-        content_dict = json_converter.convert_to_json()
+        content_dict = json_converter.convert_to_dict()
 
         self.write_to_json(content_dict)
         self.write_html_from_list(parser.body_tag)
@@ -246,7 +246,7 @@ class Book:
         self.book_api_wrapper.set_generate_status()
 
         json_converter = JSONConverter(content, footnotes, top_level_headers, self.logger_object, self.book_api_wrapper)
-        content_dict = json_converter.convert_to_json()
+        content_dict = json_converter.convert_to_dict()
         self.write_to_json(content_dict)
         self.send_json_content(content_dict)
         self.logger_object.log(f'End of the conversion to LawCarta format. Check {self.output_path}.')
diff --git a/src/json_converter.py b/src/json_postprocessor.py
similarity index 95%
rename from src/json_converter.py
rename to src/json_postprocessor.py
index a956282..f613cf9 100644
--- a/src/json_converter.py
+++ b/src/json_postprocessor.py
@@ -26,7 +26,7 @@ class JSONConverter:
         return new_text
 
     # TODO: rethink the function structure without indexes.
-    def header_to_json(self, ind):
+    def header_to_livecarta_chapter_item(self, ind) -> (dict, int):
         """
         Function process header and collects all content for it.
 
@@ -53,7 +53,7 @@ class JSONConverter:
                     outline = int(re.sub(r"^h", "", self.content[ind].name))
                     # - recursion step until h_i > h_initial
                     if outline > curr_outline:
-                        header_dict, ind = self.header_to_json(ind)
+                        header_dict, ind = self.header_to_livecarta_chapter_item(ind)
                         if ch_content:
                             result['contents'].append("".join(ch_content))
                         ch_content = []
@@ -89,7 +89,7 @@ class JSONConverter:
 
         return True
 
-    def convert_to_json(self):
+    def convert_to_dict(self):
         """
         Function which convert list of html nodes to appropriate json structure.
         """
@@ -103,7 +103,7 @@ class JSONConverter:
                 res = {}
 
                 if self.content[ind].name in LawCartaConfig.SUPPORTED_HEADERS:
-                    res, ind = self.header_to_json(ind)
+                    res, ind = self.header_to_livecarta_chapter_item(ind)
 
                 else:
                     chapter_title = f'Untitled chapter {ch_num}'