Developer
Developer and web tools: Base64, hash, HTML entities, JSON formatter, URL encoder, UUID, QR codes and passwords.
Tools — Developer
Base64 Encoder/Decoder
Encode text to Base64 or decode Base64 to plain text online and locally.
JSON Formatter
Format, validate, prettify, and minify your JSON data in real-time in your browser.
Password Generator
Generate secure, random passwords with custom length and character sets instantly in your browser.
QR Code Generator
Create custom, downloadable QR codes for URLs, text, Wi-Fi or email instantly.
UUID Generator
Generate single or bulk secure RFC4122 version 4 UUIDs instantly in your browser.
URL encoder / decoder
Encode or decode URLs and query strings (percent-encoding) instantly.
Hash generator
Generate MD5, SHA-1, SHA-256 and SHA-512 hashes of any text locally.
HTML entity encoder / decoder
Encode text to HTML entities or decode entities to plain text.
Slug generator
Turn any title into a clean URL slug: lowercase, no accents, hyphenated. Instantly in your browser.
Font size converter
Convert font sizes between px, em, rem and pt with a configurable base size. For CSS and design.
CSS minifier
Minify CSS by removing comments and whitespace to shrink the file size. Local and instant.
CSS gradient generator
Create linear CSS gradients from two colors and an angle, with a live preview and code to copy.
What is my screen resolution
Shows your screen resolution, viewport, pixel ratio and color depth for your device.