Your personal toolkit for everyday tasks
36 simple utilities to format JSON, encode data, generate hashes, convert images, and more — all running locally in your browser. Press ⌘K to search.
Format, validate & minify JSON
Compare two JSON objects side by side
Compare two texts line by line
Convert between YAML and JSON
Convert JSON arrays to CSV
Format and prettify SQL queries
Format & minify JavaScript
Convert MD to PDF
Encode & decode Base64
URL encode & decode
snake_case, camelCase, kebab-case & more
Make URL and filename-safe slugs
Escape and unescape HTML entities
Convert between hex, dec, bin & ASCII
HEX/RGB/HSL
Unix timestamp converter
Interactive Morse tree translator
MD5, SHA-1, SHA-256
HMAC-SHA signatures for API auth
Generate strong passwords
Generate UUID v4 and ULID identifiers
Symmetric encryption
Generate RSA key pairs
Parse JWT tokens
Break URLs into host, path, query & more
Build and inspect HTTP requests
Test regular expressions with live matches
Build cron expressions
Convert docker run to docker-compose
Unix file permission calculator
CIDR subnet calculator
HEIC/PNG/JPG/WebP conversion
Save clipboard images & files
Generate ASCII art text banners
Manage game positioning & competitive analysis
Learn and practice LazyVim keymaps