HTTP Headers Decoder
Paste raw HTTP request or response headers and get a parsed, human-readable table with field descriptions — 100% client-side.
100% client-side · no upload
How to use
- Copy headers from your browser DevTools (Network tab → select a request → Headers panel), from curl -I output, or from a proxy.
- Paste them into the text area above.
- Click Decode headers to see each header with its description.
Related tools
More ways to use this tool
Frequently Asked Questions
- Is this HTTP headers decoder free?
- Yes, completely free with no signup and no usage limits.
- Does my data leave my device?
- No. All parsing runs in JavaScript inside your browser. Nothing is sent to any server.
- Does it work on mobile?
- Yes. The tool is mobile-first and works on iPhone Safari and Android Chrome.
Last updated: By jarvisbox