Developer Tools
13 free online developer tools tools
URL Encoder/Decoder
Encode and decode URLs safely. Convert special characters to URL-safe format and back.
JSON Viewer
View, format, and validate JSON data with an interactive tree view. Collapse, expand, and analyze JSON structures.
HTML Entity Encoder/Decoder
Encode and decode HTML entities. Convert special characters to HTML-safe format and back.
CSS Minifier
Minify your CSS code to reduce file size and improve website loading performance.
JavaScript Minifier
Minify your JavaScript code to reduce file size and improve website loading performance.
Regex Tester
Test and debug regular expressions with real-time matching, highlighting, and detailed explanations.
Cron Job Generator
Generate and understand cron job expressions with visual builder and real-time explanations.
QR Code Generator
Generate QR codes from URLs, text, or contact information. Customize size, colors, and download instantly.
QR Code Scanner
Scan QR codes instantly using your camera or upload images. Decode URLs, text, Wi-Fi credentials, and more.
Barcode Scanner
Scan linear barcodes and QR codes using your camera or upload images. Decode EAN, UPC, CODE128, and more.
Barcode Generator
Generate various types of barcodes including CODE128, EAN, UPC, and CODE39. Customize colors and download.
Color Converter
Convert colors between HEX, RGB, HSL, and CMYK formats. Pick colors visually or enter values directly.
CSS Gradient Generator
Create beautiful CSS gradients with an interactive visual editor. Supports linear and radial gradients with multiple color stops.