HTTP Request Headers Inspector

HTTP Request Headers Inspector is a free online Network Tools tool that see exactly which headers your client sends instantly in your browser. Paste your data, adjust the options and get the result in real time — no installation, no sign-up, and nothing is ever uploaded to a server.

Description

See exactly which headers your client sends.

  • Because everything is computed client-side, HTTP Request Headers Inspector is safe to use with sensitive data such as API keys, tokens or private logs.

How to use

Using HTTP Request Headers Inspector takes three steps:

  1. Paste your data into the input box (or load the example).
  2. Configure the options to match your target format or scenario.
  3. Copy, download or inspect the output — it updates live as you type.

Use cases

Common situations where HTTP Request Headers Inspector helps:

  • See exactly which headers your client sends.
  • Because everything is computed client-side, HTTP Request Headers Inspector is safe to use with sensitive data such as API keys, tokens or private logs.

FAQ

What is HTTP Request Headers Inspector?

HTTP Request Headers Inspector see exactly which headers your client sends. It runs entirely in your browser, so your data stays private.

Is HTTP Request Headers Inspector free to use?

Yes. HTTP Request Headers Inspector is free, unlimited and works without registration or installation.

Does my data get uploaded?

No. All processing happens locally in your browser; nothing is sent to any server.

Related tools

DNS LookupQuery A, AAAA, MX, TXT, NS, CNAME and SOA records over DNS-over-HTTPS.Domain RDAP / WHOIS LookupFetch registrar, status and expiry data via RDAP.Base64 EncoderEncode text, JSON, URLs or files to Base64, standard or URL-safe.URL EncoderPercent-encode URLs or single query components.Base64 DecoderDecode Base64 (standard or URL-safe) back to text or bytes.SHA-256 Hash GeneratorCompute the SHA-256 digest — the standard for modern integrity checks.