Formatter Tools
Free online code formatters for 11 programming languages — all running entirely in your browser with no installation required. Format Python code with PEP 8-compliant indentation, Java with K&R or Allman brace styles, C and C++ with K&R, Allman, or GNU style, C# following Microsoft .NET Allman conventions, PHP with PSR-12-inspired formatting, Go with gofmt-style real tab indentation, Rust with rustfmt-style block indentation including lifetime and macro highlighting, Swift with SwiftFormat-style conventions for SwiftUI and UIKit code, Kotlin with ktlint-style indentation for Android and KMP projects, Ruby with RuboCop-style 2-space indentation, and bash/sh/zsh shell scripts with shfmt-style formatting. Every formatter includes syntax highlighting, file upload, one-click copy, and .source-file download. Your code never leaves your device.
Data Format Formatter Tools
8 toolsFormat, validate, and minify structured data files in one click. Covers SQL, XML, YAML, TOML, CSV, and Markdown — with dialect support, syntax validation, and instant preview.
SQL Formatter / Beautifier
Format and beautify messy SQL queries with proper indentation and syntax highlighting
SQL Minifier
Minify SQL queries by removing comments and collapsing whitespace into a single line
XML Formatter / Beautifier
Format, indent, and beautify XML with syntax highlighting — validates structure automatically
XML Minifier
Minify XML by stripping whitespace and optionally removing comments for smaller file sizes
YAML Formatter / Beautifier
Format and normalise YAML with consistent indentation, key spacing, and syntax highlighting
TOML Formatter
Format and normalise TOML configuration files with consistent key = value spacing and section gaps
CSV Formatter
Clean, align, and reformat CSV — fix spacing, convert delimiters, and preview as a table
Markdown Formatter
Clean and format Markdown — fix headings, lists, tables, spacing, and preview rendered output
Web Language Formatters & Minifiers
7 toolsFormat and minify HTML, CSS, JavaScript, and TypeScript in your browser. Beautify minified code for debugging, or compress production-ready code for deployment. Powered by Prettier (JS/TS) and Terser (JS minification).
HTML Formatter / Beautifier
Beautify and indent messy or minified HTML code online — free
HTML Minifier
Remove whitespace and comments from HTML to reduce file size — free
CSS Formatter / Beautifier
Beautify and format messy or minified CSS code online — free
CSS Minifier
Minify and compress CSS for production — remove whitespace and comments free
JavaScript Formatter / Beautifier
Format and beautify JavaScript code using Prettier — free online
JavaScript Minifier
Minify and compress JavaScript with Terser for production — free online
TypeScript Formatter
Format TypeScript code using Prettier — supports TS, TSX, interfaces, generics — free
Programming Language Formatters
11 toolsFormat source code for 11 programming languages directly in your browser, each following its official style guide. No installation, compiler, or sign-up needed.
Python Formatter
Format and beautify Python code online — PEP 8 style indentation, instant results
Java Formatter
Format Java code online — indent, beautify, and highlight Java with K&R or Allman brace style
C / C++ Formatter
Format C and C++ code online — K&R, Allman, and GNU brace styles with syntax highlighting
C# Formatter
Format C# code online — Allman or K&R brace style with .NET syntax highlighting
PHP Formatter
Format PHP code online — PSR-12 inspired indentation with variable and syntax highlighting
Go Formatter
Format Go code online — gofmt-style tab indentation with syntax highlighting
Rust Formatter
Format Rust code online — rustfmt-style indentation with lifetime, macro, and attribute highlighting
Swift Formatter
Format Swift code online — SwiftFormat-style indentation for iOS, macOS, and SwiftUI code
Kotlin Formatter
Format Kotlin code online — ktlint-style indentation for Android, Spring, and multiplatform projects
Ruby Formatter
Format Ruby code online — RuboCop-style 2-space indentation with Ruby syntax highlighting
Shell Script Formatter
Format bash, sh, and zsh scripts online — shfmt-style indentation with shell syntax highlighting
Style & Design Tools
5 toolsCSS, SCSS, Tailwind, and color formatting tools for front-end developers. Sort Tailwind utility classes into canonical order, convert hex colors to RGB/HSL/CSS variables with WCAG contrast analysis, convert flat CSS to nested SCSS, map CSS properties to Tailwind utilities, and compile SCSS to CSS — all in your browser with no installation.
Tailwind Class Sorter
Sort Tailwind CSS utility classes into canonical order following prettier-plugin-tailwindcss conventions
Hex Color Formatter & Converter
Convert hex colors to RGB, RGBA, HSL, HSLA, and CSS custom properties with WCAG contrast analysis
CSS to SCSS Converter
Convert flat CSS to nested SCSS with variable conversion, rule nesting, and media query hoisting
CSS to Tailwind Converter
Map CSS property declarations to their closest Tailwind CSS utility class equivalents instantly
SCSS to CSS Compiler
Compile SCSS (Sass) to plain CSS in your browser using Sass.js WASM with an automatic lightweight fallback
Document & Content Formatters
7 toolsClean, convert, and standardize text-based content for production. Format Markdown and HTML, normalize phone numbers and addresses, and untangle messy email threads — all in your browser.
Address Formatter
Standardize messy addresses into clean, uniform single-line or multi-line formats instantly.
Credit Card Formatter
Format raw credit card numbers into proper network-standard spacing and mask digits for safe display.
Email Thread Formatter
Clean up messy forwarded email chains into readable, chronological message blocks.
HTML to Markdown Converter
Convert HTML markup into clean, readable Markdown syntax instantly.
Markdown to HTML Converter
Transform Markdown into clean HTML with a live preview — no manual tagging needed.
Phone Number Formatter
Validate and format phone numbers into E.164, international, or national standards in bulk.
Plain Text Formatter
Remove extra spaces, fix case issues, and clean up raw text for professional use.
Number & Date Formatters
6 toolsFormat numbers with comma separators, compact notation, and currency symbols. Convert dates, durations, and Unix timestamps into human-readable strings — all in your browser.
Bytes Formatter
Convert raw byte values into human-readable file sizes using decimal (SI) or binary (IEC) units.
Currency Formatter
Format plain numbers into professional, localized currency strings for 10+ global currencies instantly.
Date Formatter
Convert dates between regional and technical formats like DD/MM/YYYY, ISO 8601, and relative time strings.
Duration Formatter
Transform raw time durations into HH:MM:SS clock format, human-readable breakdowns, and ISO 8601 strings.
Number Formatter
Format numbers with comma separators, compact notation, scientific notation, or the Indian numbering system.
Unix Timestamp Formatter
Convert Unix epoch timestamps into readable date-time strings with timezone support and ISO 8601 output.
Code Formatters
4 toolsBeautify, validate, and decode code formats — GraphQL schemas, JWT tokens, cron expressions, and regex patterns — with syntax highlighting and instant explanations.
Cron Formatter
Build and decode Cron expressions visually with instant human-readable descriptions and next-run previews.
GraphQL Formatter
Beautify, validate, and syntax-highlight GraphQL queries, mutations, and schemas instantly in your browser.
JWT Formatter
Decode and inspect JSON Web Tokens client-side — headers, payloads, timestamps, and claim explanations included.
Regex Formatter
Explain, test, and debug regular expressions with live match highlighting and token-by-token breakdowns.