Free Utilities
Free Online Tools
300+ free tools — no signup, no upload, works right in your browser.
Most Popular Tools
CSS Grid Generator
Visual CSS Grid layout builder with live preview, named areas, track sizing, and multi-format code output. 100% client-side.
JWT Decoder
Decode and inspect JWT tokens. View header, payload, signature with expiry status and claim annotations.
Markdown Editor
Write Markdown with live preview, GitHub-Flavored Markdown support, toolbar formatting, export to .md or HTML, and dark mode.
HTML Beautifier
Format, minify, and clean HTML code with customizable indentation, inline CSS/JS support, HTML validation, JSX conversion, and one-click copy.
XML Formatter & Beautifier
Format, beautify, validate, and minify XML online. Syntax highlighting, tree view, XPath query, configurable indentation. 100% client-side.
YAML to JSON Converter
Convert between YAML and JSON instantly. Bidirectional conversion, auto-detect format, Kubernetes manifest detection. 100% client-side.
DNS Lookup
Look up DNS records for any domain ƒ?" A, AAAA, MX, CNAME, TXT, NS, SOA, PTR. Queries Google Public DNS.
Base64 Encode & Decode
Encode text and files to Base64 or decode Base64 strings instantly. Supports URL-safe Base64, data URIs, and file conversion.
JSON Formatter & Validator
Format, validate, and explore JSON data with syntax highlighting and tree view.
Regex Tester
Build and test regular expressions with real-time match highlighting, capture groups, and code generation.