Free developer tools

Browser-based utilities for everyday development tasks. No account required. Some tools need a network connection.

Find a tool, compare options, and build a stack.

• QR Code Generator — Create customizable QR codes for URLs, text, WiFi, and more in the browser.
• Password Generator — Generate strong, secure passwords with custom options. Runs locally in your browser.
• JSON Formatter — Format, validate, and minify JSON with syntax highlighting. No upload.
• UUID Generator — Generate UUID v4 identifiers instantly in your browser.
• Timestamp Converter — Convert between Unix timestamps and human-readable dates.
• Regex Tester — Test and debug regular expressions with live highlighting.
• Base64 Encode/Decode — Encode and decode Base64 strings and files locally.
• Video to GIF — Convert video clips to animated GIFs in the browser.
• PDF Compress — Reduce PDF file size while maintaining quality. Processed locally.
• Remove Background — AI-powered background removal from images in the browser.
• Lorem Ipsum Generator — Generate placeholder text for designs and layouts.
• Color Converter — Convert colors between HEX, RGB, and HSL formats.
• Hash Generator — Generate SHA-1, SHA-256, SHA-384, and SHA-512 hashes locally.
• URL Encoder/Decoder — Encode or decode URLs and query parameters.
• Markdown Preview — Write and preview Markdown with live rendering.
• Image Resizer — Resize and convert images to different formats in the browser.
• JWT Decoder — Decode and inspect JSON Web Tokens. Nothing is sent to a server.
• Diff Checker — Compare two texts and highlight differences.
• Case Converter — Convert text between camelCase, snake_case, and more.
• CSS Minifier — Minify or beautify CSS code for production.
• Regex Pattern Library — Ready-to-use regex patterns for validation, URLs, dates, and more.
• IP Address Lookup — Look up approximate geolocation and ASN information for a public IPv4 or IPv6 address.