Developer Tools
cURL Formatter
Paste a long, single-line cURL command and format it into readable multi-line syntax with proper indentation. Makes curl commands easy to read, review, and document in READMEs or API docs.
Features
- Formats single-line cURL commands to multi-line
- Each flag and option on its own line
- Consistent backslash line continuation
- Identifies and highlights common flags (-H, -d, -X, --url)
- Copy formatted result with one click
- Browser-only
How to use it
- Paste your cURL command into the input.
- Formatted version appears in the output panel.
- Copy the formatted command for documentation or review.
Use cases
- Formatting cURL commands for API documentation
- Making complex cURL requests readable before sharing
- Reviewing long curl commands in code review
- Documenting API calls with formatted curl examples
Limitations
- Common request, header, URL, and data flags are parsed.
- Very large input can be slower on older devices.
- This utility is designed for common snippets and local inspection, not as a full security or language-specific validator.
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Use toolFrequently asked
Does it validate cURL syntax?
No. It reformats spacing and line breaks without executing the command or validating flag combinations.
Does cURL Formatter upload my input?
Your file or text is processed in your browser and is not uploaded.
What does cURL Formatter output?
It outputs a method, URL, header, and body report. Common request, header, URL, and data flags are parsed.
Should I review cURL Formatter output before using it?
Yes. Developer formats and snippets can be context-sensitive, so review generated output before using it in production.