Code Snippet Formatter

Formats code snippets to a consistent style, aiding developers, educators, and docs teams in producing clean, readable samples across languages.

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3,312+

Total Calculations Run

< 15ms

Browser Execution Speed

100%

Client-Side Privacy

4.9 / 5.0

User Satisfaction

Worked Example & Common Values

Below is a sample worked calculation demonstrating how Code Snippet Formatter processes input data instantly inside your browser.

Sample Input Minified string: {"id":1,"status":"active","roles":["admin"]}

Computed Result

{
  "id": 1,
  "status": "active",
  "roles": [
    "admin"
  ]
}

Execution Mode Client-Side In-Browser JS

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About This Tool

Code Snippet Formatter ingests raw code, detects or accepts a specified language, and returns a consistently styled snippet appropriate for tutorials, API docs, and educational materials.
It applies language-aware rules, normalizes indentation, wraps long lines, preserves comments, and can minify or prettify. When the language is unknown, it uses a safe generic formatter; when language is known, it uses common formatters or heuristics to emulate established style guides.
The tool serves developers, technical writers, and educators who need repeatable formatting at scale. Its non-destructive approach, diff output, and pipeline-ready inputs/outputs enable integration into editors, CI, or content workflows; it reduces manual edits and improves sample quality.

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How to Use

Provide inputs: enter the code snippet, specify the language, and set optional formatting preferences like max_line_length, indent_size, and indent_style.
Choose settings: decide between minify or pretty-print and whether to wrap long lines.
Run formatting: execute the formatter to produce formatted_code and a diff summary if requested.
Review outputs: inspect the formatted_code, line_count, and any change notes; adjust options if needed.
Publish or integrate: copy the formatted snippet into docs or integrate the formatter into CI/pipeline.

Frequently Asked Questions

Find Quick Answers

Which languages are supported?

The formatter supports common languages such as Python, JavaScript, Java, C, C++, HTML, and CSS, with language-aware rules. For less common languages, a generic formatter applies indentation and wrapping while preserving syntax cues.

Can I integrate into CI?

Yes. The formatter can be invoked via API or CLI, producing formatted_code and a diff. Integrate it into pre-commit hooks or CI pipelines to enforce consistent samples across PRs and releases.

How does it handle line length?

Lines are wrapped at the configured max_line_length using language-aware break opportunities, ensuring syntax remains valid and readability is preserved.

Does it preserve comments?

Yes. Comments and pragmas are preserved; formatting changes focus on whitespace, indentation, and line wrapping while keeping commentary intact.

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