Chat transcript converter On-device
Paste a ChatGPT or Claude chat, get clean Markdown or a messages array.
Source
Labels
Input
Output
Paste on the left to start.
Paste above to start.
Everything runs on your device. Nothing you paste is sent anywhere, and it's cleared when you close the tab.
Paste a ChatGPT or Claude chat, get clean Markdown or a messages array. Everything runs in your browser; nothing you paste is sent anywhere.
About this tool
What you provide
- A pasted ChatGPT or Claude chat or export.
What you get
- Markdown, a JSON messages array, plain text and statistics.
Limits
- Format detection is heuristic for plain copied text.
How to use it
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Paste the chat
Paste a ChatGPT or Claude chat or export.
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Pick options
Choose labels, system messages and timestamps.
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Copy the result
Copy or download Markdown, JSON or plain text.
Frequently asked questions
Which chats can it read?
ChatGPT and Claude exports, a messages array, or plain copied text with You and Assistant markers.
Are labels translated?
Only the Markdown and Plain labels follow the page language. The JSON output keeps English roles.