C# Formatter & Validator

Format and beautify C# code with advanced options.

Settings

Ctrl+Enter format Alerts top-right
Indentation
Format rules

Changes are formatted automatically when the input changes.

Input

Output

Statistics
Lines
0
Longest line
0
Input Size
0 B
Output Size
0 B
Processing Time
0ms

Validation & Diagnostics

No diagnostics yet

Click any issue below to move the caret in the input.

Format your C# to see diagnostics

About C# Formatter

The C# Formatter helps you beautify and standardize your C# code. It supports all modern C# syntax and allows you to customize formatting options according to your coding standards.

Key Features

  • Indent control (spaces or tabs)
  • Comment formatting
  • Using statement organization
  • Remove unused imports
  • Code validation
  • Support for latest C# features

Tips

  • Use Ctrl+K for quick search or formatting
  • Press Ctrl+Enter (Cmd+Enter on Mac) to format code
  • Download formatted code as .cs file
  • Check syntax errors before formatting