Category hub
Developer Tools
Small utilities for daily engineering work without leaving the browser.
All developer tools (7)
- Qr Generator
Create QR codes for URLs, Wi‑Fi, contacts, and plain text.
- Hash Generator
Generate MD5, SHA-1, SHA-256, and other hashes from text.
- Color Picker
Pick colors and copy HEX, RGB, and HSL values for design and CSS.
- Password Generator
Generate strong random passwords with length and symbol controls.
- Base64 Encoder
Encode and decode Base64 strings for APIs and data transfer.
- Unit Converter
Convert length, weight, temperature, area, volume, and 25+ unit types—instant results like unitconverters.net.
- JSON Formatter
Format and validate JSON online.