jarvisbox

HTTP 標頭解碼器

貼上 HTTP 請求或回應的原始標頭,取得人類可讀的解析表格與欄位說明。

100% client-side · no upload

How to use

  1. Copy headers from your browser DevTools (Network tab → select a request → Headers panel), from curl -I output, or from a proxy like Charles or Burp.
  2. Paste them into the text area above.
  3. Click Decode headers to see each header in a table with its description.

Related network tools

常見問題

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.

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