cURL Builder
Build cURL commands with headers and auth
What is cURL Builder?
cURL Builder constructs curl commands from a visual form, with support for headers, authentication, request body, and query parameters.
When to use this tool
- Reproducing API calls from browser DevTools in the terminal
- Building authenticated curl commands with Bearer tokens or Basic auth
- Generating curl snippets for documentation
- Testing REST API endpoints from the command line
How it works
Collects URL, method, headers, auth type, and body from form inputs, then assembles a properly escaped curl command string. Handles special characters, JSON body formatting, and multi-value headers.
Examples
About cURL Builder
Build cURL commands with headers and auth It runs entirely in your browser — no files are uploaded to any server, ensuring complete privacy and instant results.
- •Test and debug regular expressions
- •Parse cron expressions in plain English
- •Format SQL, XML, and YAML
- •Convert between number bases instantly
Last updated: 2025-01-15
FAQ
Build cURL commands with headers and auth
Yes, completely free. No signup required.
Yes. Runs entirely in your browser, no files uploaded.
Yes, works on any device with a modern browser.
No, everything runs in your browser.