ChatGPT → Claude Migration Checker
Paste your ChatGPT custom instructions. See what transfers, what doesn't, and get Claude-ready output.
100% client-side. Your instructions never leave your browser.
Using AI? Optimize your prompts first.
Better prompts = better output = fewer revisions.
Try the Prompt Optimizer — Free →You might also like
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100% client-side where applicable — your files and inputs stay in your browser. Nothing is uploaded to HundredTabs servers for these tools.