Dev Utilities
Everyday developer utilities that run entirely in your browser — UUID generator, JSON formatter, JWT decoder, Base64, URL encode/decode, timestamp converter, slug generator, and JSON to TypeScript or Zod.
UUID Generator
Generate UUID v4 identifiers in bulk.
JSON Formatter
Pretty-print or minify JSON instantly.
JWT Decoder
Decode JWT header and payload locally.
Timestamp Converter
Convert between Unix time and ISO dates.
Base64 Encode / Decode
Encode and decode Base64 text.
Slug Generator
Turn text into URL-safe slugs.
URL Encode / Decode
Percent-encode and decode URLs.
JSON to TypeScript
Turn JSON into a TypeScript interface.
JSON to Zod
Turn JSON into a Zod schema.