Web

HTTP Headers Inspector

Parse and analyze HTTP request/response headers, cookies, and metadata locally.

Client-side only

Processing is local to this browser. DevPaste does not upload pasted content, JWTs, .env values, editor contents, or HMAC secrets to a server.

HTTP Headers

Paste raw HTTP request or response headers to analyze.

Actions

Export or copy parsed data.

Request/Response

HTTP request details

Method

GET

Metadata

URL

/api/users

Metadata

Path

/api/users

Metadata

Host

api.example.com

Metadata

Protocol

HTTP/1.1

Metadata

User-Agent

DevPaste/1.0

Metadata

Sensitive Headers

Authentication and token headers

Authorization

Bear••••••••••••

Sensitive value

Cookies (2)

Parsed cookies and their attributes

session_id

abc1••

Sensitive value

user_pref

••••

Sensitive value

Cache Headers

Cache-Controlno-cache

All Sensitive Headers (2)

Headers containing sensitive information

Authorization

Bear••••••••••••

Sensitive value

sess••••••••••••

Sensitive value

All Headers (6)

Complete list of parsed headers

Host

api.example.com

Metadata

Authorization

Bear••••••••••••

Sensitive value

User-Agent

DevPaste/1.0

Metadata

application/json

Metadata

Cache-Control

no-cache

Metadata

sess••••••••••••

Sensitive value

All data is parsed and analyzed locally in your browser. Nothing is sent to any server.

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