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Free online C# code formatter and beautifier. Instantly standardize indentation, fix layout issues, and improve your code's readability.
Overview
Understand what the tool solves, how it works, and the boundaries of its data.
This page reformats C# text in the browser as either a readable layout or a compact layout. In beautify mode, choose an indentation width of 2, 4, or 8, use spaces or tabs, and select Allman or K&R brace placement. You can also choose whether beautify mode removes comments. The output is intended to make pasted code easier to scan; it is not a project-wide style configuration.
C# uses whitespace and comments as part of its lexical structure, and preprocessor directives can affect which source sections are compiled. Because a text formatter does not compile the result, formatting alone cannot establish that a program builds or that every source construct keeps its intended behavior.
Beautify mode adds indentation and line breaks around braces and statements. Minify mode removes comments and compresses spacing and punctuation for a shorter text result. The two modes solve different presentation needs: beautify for review, minify for compact output. Neither mode checks types, project settings, or compiler diagnostics.
Guide
Follow the workflow and verify inputs and outputs with practical examples.
Paste C# text into the editor, or load the built-in example to see the formatter’s output shape.
Choose Beautify or Minify. In Beautify mode, set indentation, brace style, and whether comments should be removed.
Review the result beside the input. Check strings, comments, directives, and any unusual syntax before copying or downloading the output.
Copy the result or use the download control to save it. If the source is important, keep the original until you have checked the formatted file in your normal development workflow.
An error or empty result can mean the input triggered a formatting limitation; it is not a compiler diagnosis. Inspect the code and try a smaller snippet if needed.
Use cases
See how the tool fits into real work and everyday tasks.
When code copied from a message or note has compressed spacing, beautify mode can add visible blocks and indentation. Review the returned text before using it in a project.
A developer sharing a small example with a teammate can choose a consistent indent and brace style, then copy the result into the discussion. Agree on the project’s own conventions separately.
For a context where fewer line breaks are useful, minify mode produces a condensed version and removes comments. Do not use the shortened output as a substitute for a verified release build.
Q&A
Find concise answers to common questions and confusing cases.
No. It changes text layout and does not run a compiler, resolve project references, or check diagnostics.
No. Minify mode removes comments. Beautify mode has a separate option to remove them; leave that option off when you want comments retained, then review the result.
No. The available controls are indentation width, spaces or tabs, brace style, and comment removal for beautify mode. It does not read a project configuration file or enforce repository-wide style rules.
No. Review the output and run your normal build and tests before relying on it. C# strings and preprocessor directives have language-specific rules that a layout operation cannot certify.
Notes
Review scope, result limitations, and important precautions before use.
Keep a copy of important input and inspect the output before replacing source files. Compacting or removing comments can make code harder to review, and unusual or newer syntax may not be handled as expected. Do not treat a successful formatting result as proof of compilation, correctness, security, or semantic equivalence. Verify consequential changes with the project’s compiler and review process.
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