Collection of handy online development tools
DevCay
A collection of useful tools for developers and IT professionals.
Data Privacy
All operations run in your browser
Easy to Use
Clean and intuitive interface
Free Forever
No registration required
All Tools
All Tools →JSON Formatter Tool
Format and validate JSON data
QR Code Generator Tool
Generate QR codes from text or URLs
Date Time Converter Tool
Convert date and time between different formats
Base64 Encoder/Decoder Tool
Encode and decode Base64 strings
URL Encoder/Decoder Tool
Encode and decode URL strings
Text Diff Tool
Compare two texts and find differences
Text Statistics Tool
Count characters, words, and lines in text
UUID Generator Tool
Generate unique identifiers (UUID)
Color Converter Tool
Convert colors between HEX, RGB, and HSL
JWT Decoder Tool
Decode and view JWT Token contents
Hash Generator Tool
Generate hash values from text
CSV to JSON Tool
Convert CSV data to JSON format