Developer tools
7 tools in this category.
Developer
Base64 Encoder/Decoder
Encode text to Base64 or decode Base64 back to text, instantly and entirely in your browser.
Developer
HTML CSS JS Playground
A modern browser-based playground for writing HTML, CSS and JavaScript with an instant live preview.
Developer
JSON Formatter
Format, validate, and beautify JSON instantly in your browser — with clear error messages when it’s invalid.
Developer
QR Code Generator
Turn any text or URL into a downloadable QR code, generated entirely in your browser.
Developer
Coming soonURL Encoder
Percent-encode text or a full URL for safe use in query strings and links.
Developer
Coming soonURL Decoder
Decode a percent-encoded URL or query string back into readable text.
Developer
Coming soonQR Code Scanner
Scan a QR code using your camera or an uploaded image, right in your browser.