JS / TS Formatter
JS / TS Formatter Optimized for Privacy
Achieve perfect code consistency with our JavaScript and TypeScript formatter. Designed to mimic the behavior of professional linters like Prettier or ESLint, this tool beautifies your JS/TS code with standard...
js Processor
Local Engine
How to Convert a JS file?
Click the "Choose Files" button to select your JS files.
Then select a target format and click the "Convert" button.
Once the conversion finishes, click the "Download" button to save the file.
More Developer Tools
URL Encoder / Decoder
Ensure your web addresses are processed correctly with our professional URL encoder and decoder. This tool uses percent-encoding (RFC 3986) to transform reserved, non-ASCII, and special characters into a format that can be securely transmitted over the internet. Whether you are a web developer debugging API endpoints, a digital marketer creating clean tracking links with UTM parameters, or an SEO specialist fixing broken links with special characters, this utility is essential. It safely sanitizes URL parameters for web apps, preventing browser parsing errors and improving cross-browser compatibility. Use it to encode query strings for GET requests or decode complex percent-encoded strings back into human-readable text instantly. Keywords: URL encoder online, percent-encoding tool, sanitize URL parameters, decode URL string, web safe URL converter, percent-encoding special characters, online URL decoder for developers.
HTML Formatter
Optimize your frontend workflow with our advanced HTML formatter and beautifier. This developer-centric tool allows you to take messy, unorganized source code and transform it into a perfectly indented, readable structure. It supports both beautification for debugging and minification for production performance, helping you reduce page load times and improve Core Web Vitals. As a powerful online HTML editor, it identifies syntax errors and ensures your tags are properly nested. Perfect for web designers cleaning up exported code from site builders or developers inspecting legacy projects. Our local browser-based processing means your proprietary code never touches a server, ensuring 100% privacy and security. Keywords: HTML formatter online, beautify HTML code, minify HTML for speed, online HTML beautifier, clean HTML source code, fix HTML indentation, HTML syntax highlighter, professional HTML formatting tool.
CSS Formatter
Transform your stylesheets with our professional CSS formatter and minifier. This tool is designed for modern web development, allowing you to beautify complex CSS, SCSS, or LESS files with customizable indentation levels and property ordering. It effectively removes unnecessary whitespace, comments, and line breaks to create a minified CSS version that boosts website performance. Whether you are debugging a layout shift or preparing a production-ready build, this CSS pretty printer ensures your styles are clean and consistent. It is an essential utility for frontend engineers looking to maintain high-quality code standards while optimizing delivery. Keywords: CSS formatter online, beautify CSS styles, minify CSS for production, online CSS beautifier, CSS pretty printer, optimize CSS file size, format CSS code online, high-performance CSS minifier.
Regex Tester
Debug and validate your Regular Expressions in real-time with our advanced Regex Tester. This tool provides a live playground where you can test patterns against custom strings, featuring instant syntax highlighting and match explanations. Whether you are validating email addresses, extracting data from logs, or building complex search-and-replace logic, this regular expression debugger is an indispensable developer asset. It supports various flavors of Regex, including JavaScript, PHP (PCRE), and Python, helping you catch edge cases and logic errors before deployment. With a focus on performance and accuracy, it simplifies the most intimidating part of programming. Keywords: Regex tester online, test regular expressions live, regex debugger for developers, online regex validator, regular expression pattern tester, javascript regex tester, regex cheat sheet tool, debug regex patterns.
JavaScript Formatter Online – Beautify and Minify JS Free
Format, beautify, and minify JavaScript code online. Clean up JS code with proper indentation and structure.
What It Does
A JavaScript formatter organizes JS code with proper indentation, spacing, and structure for better readability.
Why It Matters
Well-formatted JavaScript improves code maintainability, debugging, and team collaboration.
How It Works
The tool parses JavaScript syntax and applies consistent formatting rules while preserving functionality.
Supported Formats
Perfect For
- Web development and programming
- JavaScript code cleanup
- Code optimization for production
- Code review and debugging
- Learning JavaScript structure
How to Format JavaScript
- 1Paste your JavaScript code into the formatter
- 2Choose formatting options (beautify or minify)
- 3Click format to process the code
- 4Copy the formatted JavaScript
Key Benefits
- Proper JavaScript indentation
- Code beautification and minification
- Syntax error detection
- Consistent formatting standards
- TypeScript support
- Large file handling
Technical Features
- 100% client-side processing for maximum privacy
- No file uploads or server storage required
- Fast processing using modern web technologies
- Works on all devices and operating systems
The JavaScript Formatter ensures your code is clean, readable, and properly structured.
Related Terms & Tags
Can't find a specific tool?
We are constantly expanding our 80+ tool portfolio. If you need a custom utility for developers, designers, or data analysts that respects privacy, let us know.