UUID (Universally Unique Identifier) is a 128-bit number used to identify information. Version 4 UUIDs are randomly generated. Common uses:
Convert timestamps to dates
Encode or decode URLs
Convert YAML to JSON and vice versa
Bidirectional JSON/XML converter
Convert XLSX sheet to JSON array
PNG ↔ JPG ↔ WebP ↔ AVIF batch convert with ZIP download