Developer Tools
Simplified & Secure
A collection of 63+ essential utilities for developers. Format JSON, encode strings, generate UUIDs, and more.
Popular Tools
JSON Formatter
Format, validate & minify JSON
JSON Schema Gen
Generate JSON Schema from JSON data
JSON ↔ CSV
Convert between JSON and CSV formats
Diff Checker
Compare two texts line by line
Base64 Encoder
Encode/decode Base64, Hex, Binary
URL Encoder
URL encode/decode special characters
JWT Decoder
Decode JWT tokens client-side
Markdown → HTML
Convert Markdown to HTML with preview
Timestamp Converter
Convert Unix timestamps to dates
Cron Tool
Build, debug and test complex cron schedules with ease
JSON Tools
Encoders
Date & Time
Text Utilities
Generators
Design Tools
Converters
Code Tools
Parquet Tools
Web Tools
Security
Privacy First
All tools run entirely in your browser. No data is ever sent to any server. Your code, tokens, and sensitive information stay on your device.
Fast & Reliable
No network requests means instant results. Tools work offline and are always available when you need them.
Built for Developers
Designed with developers in mind. Clean interfaces, keyboard shortcuts, and features that save you time every day.