Developer

ChatGPT Session JSON Converter

Convert a ChatGPT Web session JSON into CPA, sub2api, Cockpit and 9router import formats. Runs entirely in your browser.

NewBrowser-only

Focused calculator

Calculate ChatGPT Session JSON Converter

All processing happens in your browser. Your input is never uploaded or stored.

Paste your ChatGPT session JSON above and select Convert. Generates 4 import formats

CPA


                    

sub2api


                    

Cockpit


                    

9router


                    
Guide & details

When to use this tool

Use the ChatGPT Session JSON Converter for quick, focused data cleanup directly on the page before copying the output into code, documentation, spreadsheets or another tool.

  • Debugging, API work, import/export cleanup and code-adjacent formatting tasks.
  • Transforming text or data quickly without sending browser-only tools to a server.
  • Copying a deterministic output into scripts, documentation or another tool in the same workflow.

Accuracy, privacy and assumptions

  • This is a browser-only tool: input is processed by JavaScript on the page and is not uploaded to Convematik.
  • For copied tokens, session data or private payloads, still review the output carefully before sharing it anywhere else.

Common mistakes to avoid

Most wrong answers from a ChatGPT Session JSON Converter come from unit direction, rounding too early, or copying a result without its original context.

  • Do not paste secrets into tools that expose API endpoints unless the page clearly states the work is browser-only.
  • Do not import generated output into production until you validate structure and escaping.
  • When a format has multiple dialects, test the output with the destination tool before scaling the workflow.
  • Do not paste the generated output into another service until you have removed anything private or account-specific.

Copy-ready result format

ChatGPT Session JSON Converter output: Paste your ChatGPT session JSON above and select Convert. (Generates 4 import formats).

  • Keep the original input available until the destination accepts the transformed output.
  • Copy validation errors along with the input when debugging a failed import.
  • Use browser-only pages for sensitive copied text or account-like payloads.

Best workflow for ChatGPT Session JSON Converter

  1. Paste or type the input into the tool above.
  2. Choose the target mode or format when the tool offers one.
  3. Review validation errors and copy the output only after it matches the expected structure.
  4. For sensitive data, prefer browser-only tools and avoid API-enabled endpoints.

Next steps after this result

After the immediate calculation, choose the next tool based on what you plan to do with the value.

  • Validate output with the destination parser.
  • Automate through the API only after a single-page test passes.
  • Keep private values out of API-enabled tools.

Formula

How it works: The pasted session JSON is read in your browser using tolerant field lookups (access/session/refresh/id tokens, email, account id, plan type and expiry) and re-mapped into each target schema. Nothing is sent to a server.

Common examples

InputResult
CPACodex JSON
sub2apiaccounts array
9routerCodex OAuth JSON

JSON API example

This tool runs entirely in your browser. Your input is never sent to a server, so there is no API endpoint for it.

Common questions

What does the ChatGPT Session JSON Converter do?

Convert a ChatGPT Web session JSON into CPA, sub2api, Cockpit and 9router import formats. Runs entirely in your browser.

Does the ChatGPT Session JSON Converter send my data to a server?

Everything in the ChatGPT Session JSON Converter runs locally in your browser using JavaScript. Your input is never uploaded, logged or stored on a server.

When should I use the ChatGPT Session JSON Converter instead of a spreadsheet or script?

Use the ChatGPT Session JSON Converter for quick validation, formatting, decoding or cleanup when you need a deterministic output before copying the result into code, docs, an API request or a spreadsheet.

Is the ChatGPT Session JSON Converter free to use?

Yes. The ChatGPT Session JSON Converter is free and does not require an account.