Code Formatter
A developer-focused tool that formats source code according to language-specific style rules and exports the formatted result as a downloadable file.
Tool coming soon!
We're working hard to get this tool ready for you.
Worked Example & Common Values
Below is a sample worked calculation demonstrating how Code Formatter processes input data instantly inside your browser.
Minified string: {"id":1,"status":"active","roles":["admin"]}
{
"id": 1,
"status": "active",
"roles": [
"admin"
]
}
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About This Tool
Conceptually, a language-aware formatter parses the input into tokens or an AST, applies indentation, wrapping, and spacing rules, and re-emits the code in the chosen style. It supports major languages (Python, JavaScript, Java, C++, Go) with profiles like PEP8, Google Java Style, or custom settings. The value lies in predictable, repeatable formatting that reduces review cycles and diff noise.
Benefits include improved readability, easier onboarding for new contributors, and CI-friendly automation. Core features cover language awareness, adjustable line width, indent size, end-of-line normalization, and the option to preserve or adjust comments. The tool can be used in pre-commit hooks, PR checks, or as a standalone formatter before sharing code.
Use cases include multi-language repos, codebase standardization, and education or mentorship scenarios where consistent style accelerates learning and collaboration.
How to Use
- Provide inputs: paste code or upload a file, select language and a default style profile.
- Configure options: set indent_size, line_width, and end_of_line.
- Run formatting: execute the formatter to generate a formatted code version.
- Review outputs: inspect the formatted code and any diagnostics.
- Download formatted code: export the result as a downloadable file.
Frequently Asked Questions
Find Quick Answers
Which languages are supported?
What happens with syntax errors?
Can I export to different line endings or file formats?
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