Developer Category Hub
Developer & IT Utilities
Clean, fast, and 100% browser-native engineering utilities. Format data, generate cryptographic identifiers, decode JWT tokens, and transform spreadsheets without server transmission.
UUID & GUID Generator
Generate RFC 4122 v1, v3, v4, v5, v6, and v7 UUIDs. Supports batch generation, custom formatting, and CSV/TXT export.
CSV Data Converter Studio
Convert CSV spreadsheets into JSON, XML, YAML, SQL INSERT queries, Markdown tables, HTML tables, GeoJSON, and KML.
JWT Encode / Decode
Inspect JSON Web Token headers, payload claims, and signature verification without exposing secret keys.
Base64 Encoder / Decoder
Safely encode and decode UTF-8 text strings and binary data into RFC 4648 Base64 strings.
Secure Password Generator
Generate cryptographically high-entropy passwords with custom length, symbols, numbers, and memorable passphrase options.