DevToolbox
Developer utility hub
129 tools available
Categories
API Request Snippet GeneratorCache-Control GeneratorDevice InformationDNS Record FormatterDocker Image Reference ParserHTML FormatterHTML MinifyHTML ValidatorHTML ViewerHTTP Header ParserHTTP Status LookupIPv4 Address ConverterIPv4 Range ExpanderIPv4 Subnet CalculatorIPv6 UtilitiesKeycode InfoMIME Type LookupNginx Location GeneratorQR Code GeneratorQuery Param BuilderRandom Port Generatorrobots.txt BuilderSafe Link DecoderSitemap XML GeneratorURL ParserUser-Agent ParserWiFi QR Code Generator
DevToolbox
HomeAbout
Tools/
Web

HTTP Header Parser

Parse raw HTTP headers into a structured format. Analyze request and response headers for debugging and security auditing.

httpheadersrequests

Raw header input

Paste one header per line using Header-Name: value format.

Header lines
8
Unique names
7
Duplicates
1
Duplicate header names are grouped into arrays in JSON output.
Normalized headers
Host
api.devtoolbox.app
Accept
application/json
Content-Type
application/json
Authorization
Bearer devtoolbox-token
X-Forwarded-For
203.0.113.10
Cache-Control
no-cache
Set-Cookie
session=abc123; Path=/; HttpOnly
Set-Cookie
theme=dark; Path=/

Header object JSON

Duplicate headers are collected into arrays when needed.

Parsed header object

Structured header output is useful for request builders, tests, and mocks.

© 2026 Shashank Dubey. All Rights Reserved.|
Built withbyShashank Dubey
AboutPrivacy PolicyContact Us