How do I use Codex Auth Converter?

Select your 9router backup JSON file. Choose whether to include each refresh token. Convert and download the generated Codex auth files.

Is Codex Auth Converter free and safe to use?

Codex Auth Converter is free and runs directly in your browser, so you can use it instantly without installing software.

Convert Codex connections from a 9router backup into individual auth JSON files. Everything runs locally in your browser.

Include refresh tokensDisabled by default to reduce exposure of long-lived credentials.

This tool reads providerConnections from a 9router backup, selects Codex connections, and creates one auth_<email>.json file for each account.

All parsing and file generation happen locally in your browser. Access tokens, refresh tokens, and account details are never uploaded or transmitted.

Developer and security utilities