Guides

Working with the data exports ChatGPT and Claude give you.

Convert conversations.json to Markdown

What is inside the export ZIP, why edited replies make it tricky, and a working Python script.

Browse all your old chats by month

Get back a complete date-ordered list when the sidebar only shows Recents.

Open a huge export without crashing

Why 850 MB files freeze editors, with a streaming script and measured memory numbers.