Code Formatter Color

A fast, language-agnostic tool that formats code and applies color syntax highlighting for developers, educators, and reviewers seeking consistent, readable code.

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3,468+
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 Formatter Color 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

The tool provides language-aware formatting that rearranges whitespace, line breaks, and token layout to produce clean, readable code samples. It outputs both a plain formatted snippet and a colorized HTML representation for documentation and teaching materials. Conceptually, the formatter tokenizes source code using language grammars, normalizes structure via an AST-like approach, and reconstitutes code with deterministic spacing and indentation rules. The colorization layer maps tokens to styling hooks so readers can visually distinguish keywords, literals, comments, and operators. This dual output (plain text and colored HTML) supports multiple workflows: static documentation, teaching slides, and review processes. Unique value comes from language-agnostic formatting combined with accurate token colorization, enabling consistent presentation across languages without requiring an IDE. Core features include language specification or auto-detection, configurable style settings (indent size, max line length, wrap behavior, and comment preservation), and export options for HTML or Markdown. Use cases include preparing code samples for API docs, creating teaching examples, and integrating into CI pipelines that enforce formatting rules while preserving semantic content. The tool differentiates itself by delivering colorized, publication-ready representations that maintain identical semantics to the input while improving readability in static contexts.

How to Use

  1. Provide inputs: paste your code snippet, select language, and set optional style flags such as indent size or max line length.
  2. Observe instant formatting: the tool applies language-aware rules and renders a colorized output alongside the plain code.
  3. Review outputs: compare the formatted code with the colored version to ensure readability and consistency.
  4. Copy/export: copy the formatted code or export the colorized HTML for embedding in docs or slides.
  5. Validate: verify alignment with your style guide and integrate into workflows or CI as needed.
How to use code formatter color

Frequently Asked Questions

Find Quick Answers

Which languages are supported?
The formatter supports common languages such as JavaScript, Python, Java, C#, Go, and TypeScript, among others. Support is provided via language grammars and is designed to scale with additional grammars over time.
Does formatting change code behavior?
No. The tool only adjusts whitespace, indentation, and token presentation. It preserves all identifiers, literals, comments, and overall semantics; it does not perform transformations that alter runtime behavior.
Can I customize color themes?
Yes. The formatter supports multiple color themes for token types and allows exporting a colorized HTML view. Users can switch themes to match documentation style or publication requirements.
Can it be integrated into CI/CD?
Yes. The tool offers programmatic access and can be invoked in CI environments to produce formatted outputs or diffs. This supports automated checks and consistent code presentation across repositories.

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