Code formatters, generators, and utilities. No signup, no ads, runs in your browser.
Format, beautify, and minify your CSS code instantly. Clean up stylesheets with proper indentation.
Beautify and minify HTML markup. Fix indentation and clean up messy HTML code.
Format and minify JavaScript code. Proper indentation, clean structure.
Validate, format, and minify JSON data. Tree view with syntax highlighting.
Generate JSON-LD structured data for articles, products, FAQs, and more.
Create meta tags with live SERP and social card previews. Copy-paste ready.
Build robots.txt files with common rules and sitemap configuration.
Test regular expressions with real-time match highlighting and group extraction.
Detect the CMS, frameworks, server, and analytics any website uses.
BestFormatter provides a collection of free, browser-based tools built for web developers. Every tool runs entirely client-side — your code never leaves your browser. No accounts, no tracking, no limitations.
Beautify and minify CSS, HTML, JavaScript, and JSON with a single click. Our formatters handle real-world code including nested media queries, template literals, and malformed markup. See input vs output size comparisons instantly.
Generate valid JSON-LD schema markup for 8 content types, create complete meta tag sets with live Google SERP and social card previews, and build robots.txt files with common crawler rules.
Test regular expressions with real-time match highlighting, capture group extraction, and a library of common patterns. Supports all JavaScript regex flags including dotAll and Unicode.