Developer Tools
Focused utilities for everyday development work.
14 tools
All Developer Tools
URL Shortener
Create compact links with optional expiration.
QR Code Generator
Create a customizable QR code for links, text, Wi-Fi, and more.
QR Code Scanner
Scan QR codes from an image, clipboard, or camera.
JSON Formatter & Validator
Format, validate, inspect, and download JSON locally.
Regex Tester
Test JavaScript regular expressions and replacements live.
Base64 Encode / Decode
Encode or decode Base64 text locally in your browser.
URL Encode / Decode
Encode and decode URL components safely in your browser.
JWT Decoder & Encoder
Decode JWT headers and payloads, or build and sign a token locally.
UUID Generator
Generate secure UUID v4 values locally.
Hash Generator
Create SHA hashes for text without sending it to a server.
Timestamp Converter
Convert Unix timestamps and ISO dates locally.
JSON to CSV Converter
Convert JSON records and CSV tables in your browser.
YAML to JSON Converter
Convert YAML and JSON data locally in your browser.
My IP Address
Show the IP address observed for this connection.