HTTP Headers Parser
Parse raw request or response headers into structured rows. Free, private, and local-first.
Use HTTP Headers Parser
Parse raw HTTP response or request headers into structured rows.
Headers
4
Duplicates
0
Start line
Yes
{
"startLine": "HTTP/2 200 OK",
"headers": [
{
"name": "content-type",
"value": "text/html; charset=utf-8"
},
{
"name": "cache-control",
"value": "public, max-age=3600"
},
{
"name": "x-frame-options",
"value": "DENY"
},
{
"name": "set-cookie",
"value": "session=example; HttpOnly; Secure"
}
]
}Quick answer
HTTP Headers Parser is a free online tool that helps you parse raw request or response headers into structured rows. It runs in your browser, so you can work with development data, text, files, or generated output without creating an account.
About HTTP Headers Parser
HTTP Headers Parser helps you parse raw request or response headers into structured rows. It is designed for focused local-first workflows where you need a quick result without creating an account or sending your input to a server.
Common uses include debugging cache-control values, reviewing security headers, parsing curl output.
Use the examples, usage notes, FAQ, and related tools below when you need to compare formats, build sample data, validate inputs, or move into the next step of the same workflow.
What this tool does
How to use HTTP Headers Parser
- 1
Paste raw headers copied from devtools, logs, or curl.
- 2
Review header count and duplicate count.
- 3
Copy structured JSON output if needed.
- 4
Use related tools to inspect status codes or MIME types.
Examples
Cache
cache-control: public, max-age=3600
Content type
content-type: text/html; charset=utf-8
Security
x-frame-options: DENY
Use cases
- Debugging cache-control values
- Reviewing security headers
- Parsing curl output
- Checking duplicate set-cookie or vary headers
- Preparing support tickets with structured headers
Related workflow
After using HTTP Headers Parser, many workflows continue with related tools for validation, conversion, cleanup, mock data, or final export.
Privacy and usage notes
CodeVella tools are designed to run locally in your browser. Your input is not uploaded to a server, and no account is required.
Generated test data is intended for development, QA, demos, and safe internal workflows.
Frequently asked questions
Is my data uploaded?+
No. This tool is designed to run locally in your browser.
Do I need an account?+
No signup is required for CodeVella tools.
What does this HTTP headers parser do?+
HTTP Headers Parser helps you parse raw request or response headers into structured rows without sending the pasted data to a server.
What should I double-check before using the output?+
This parser reads pasted text only. It does not make network requests or verify live server behavior.
Can I copy the generated output?+
Yes. Tools with generated code, URLs, XML, or structured output include a copyable output area.