Code Formatter AI

Formats code snippets automatically with language-aware rules for developers and reviewers.

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We're working hard to get this tool ready for you.

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1,536+
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 AI 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 Formatter AI reformats source code to a consistent style across languages using AST-supported transformations and token-level reflow. It normalizes indentation, wraps lines to a defined limit, and preserves comments and literal content. Conceptually, the tool tokenizes input, identifies statements, and reflows blocks while keeping semantics intact. It benefits developers seeking consistent style, code reviewers validating formatting, and learners aiming to adopt best practices. Unique value lies in language-aware profiles, deterministic formatting, and the option to output a diff. Core features include: language detection or explicit language, indentation preferences, max line length, and support for common standards. Use cases include reformatting JavaScript to 2-space indentation, Python to PEP8 line wrapping, or Java with 4-space tabs; advanced users can supply custom profiles for teams. The tool emphasizes non-destructive changes, ensuring comments stay associated with their code lines and strings remain untouched. Outputs include formatted_code and optional diagnostics that describe any adjustments. It is designed as a backend formatter that can integrate into CI pipelines or IDE plugins, delivering predictable results with minimal ambiguity.

How to Use

  1. Provide inputs: paste code, specify language (optional).
  2. Set preferences: line length, indent style, and indent size (optional).
  3. Run formatting: let the formatter apply language-aware rules and generate cleaned output.
  4. Review outputs: inspect formatted_code and optional diagnostics; copy or export as needed.
How to use code formatter ai

Frequently Asked Questions

Find Quick Answers

Which languages are supported and how is language chosen?
The formatter supports major languages via profiles (e.g., Python, JavaScript, Java, and Java-like languages). Language can be auto-detected from the code or explicitly provided by the user; explicit language takes precedence if detection is uncertain.
Can I customize line length and indentation for teams?
Yes. You can provide max_line_length, indent_style (spaces or tabs), and indent_size to align with team standards. Profiles can be saved for consistent usage across projects.
How are comments and string literals treated during formatting?
Comments are preserved and re-aligned with their corresponding code blocks. String literals are not altered except for internal whitespace normalization within string formatting contexts where applicable, preserving semantics.

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