What languages does the Data Formatter support?

It supports CSS, JavaScript, JSON, SQL, XML, HTML, YAML, TOML, Java, Python, PHP, C/C++, Shell Script (Bash), TypeScript, Go, Markdown, CSV, and INI/Properties files.

Is my code sent to a server?

No. All formatting, validation, and minification happens entirely in your browser. Your code never leaves your device.

Can I compare my original code with the formatted version?

Yes! The built-in Diff View highlights additions, removals, and changes between the original and formatted code side by side.

What extra tools are included?

Beyond formatting, the app includes Base64 and URL encoding/decoding, SHA-256 hash generation, a regex tester, line sorting, duplicate removal, find and replace, and character/word/line statistics.

Is this tool really free?

Yes, completely free with no signup, no account, and no usage limits. It runs entirely in your browser.

Free Online Code Formatter & Validator (No Signup) – FreeWWW

🔧 Data Formatter

Format, beautify, minify, and validate code in 18+ languages. All processing happens in your browser — your code never leaves your device.

Indent: Tabs

Case Regex

Input Auto

Output

Ready

Lines: 0

Chars: 0

Words: 0

Size: 0 B

Ctrl+Shift+F Format Ctrl+H Find/Replace

Diff: Original vs Formatted

Format some code to see the diff

🔐 Base64 Encode/Decode

🔗 URL Encode/Decode

📄 HTML Entity Encode/Decode

🔒 Hash Generator

🔍 Regex Tester

📋 Line Operations

🔄 Case Converter

🔢 Number Base Converter

From:

🕒 Timestamp Converter

🔑 JWT Decoder

🎨 Color Converter

📜 Lorem Ipsum Generator

Format History

No formatting history yet. Format some code to see it here.

🎨 Appearance

Dark Mode

Show Line Numbers

Word Wrap

⚙ Formatting

Auto-format on paste

Auto-detect language

Save history

💾 Data

⌨ Keyboard Shortcuts

Ctrl+Shift+F — Format code

Ctrl+H — Find & Replace

Ctrl+Shift+M — Minify

Ctrl+Shift+V — Validate

Ctrl+S — Download output

Tab — Insert indent in editor

Escape — Close find bar

📂

Drop your file here