Developer tools that stay out of your way
Format JSON, generate cron expressions, encode Base64, decode JWTs, and generate UUIDs with a fast, clean interface.
preview.json
{
"user": "dev_001",
"active": true
}# Cron: Every day at 9am
0 9 * * *
# Base64
SGVsbG8gV29ybGQ=
Tools
Fast, simple utilities for everyday development tasks.
JSON Formatter
Format, validate, and beautify JSON instantly
Cron Generator
Build cron expressions with a simple visual interface
Base64 Encoder / Decoder
Encode and decode text quickly
JWT Decoder
Decode and inspect JSON Web Tokens instantly
UUID Generator
Generate unique identifiers with a single click
Encoding & Token Tools
Base64 encoding, JWT decoding, and UUID generation in one place
Why Utilsy
Built for developers who value speed and simplicity.
Fast
Lightweight and instant
Clean
No clutter, no distractions
Useful
Everyday tools developers actually need