UtilityStacks
Your everyday stack of useful tools.
Fast, private tools for code, work and everyday life.
Shortcut: Ctrl/Cmd + K
Popular tools
Browse allJSON Formatter
Format or minify JSON instantly in your browser.
Developer
JSON Validator
Validate JSON and see clear error details.
Developer
JWT Decoder
Decode JWT header and payload safely in your browser.
Developer
Random Name Picker
Pick a random name from your list.
Random
Spinning Wheel
Spin a wheel to pick a winner randomly from your list.
Random
Word Counter
Count words, characters, and reading time.
Text
Pomodoro Timer
Stay focused with a simple work/break timer.
Productivity
Password Generator
Generate strong passwords with secure randomness.
Security
Categories
Featured tools
JSON Formatter
Format or minify JSON instantly in your browser.
Developer
JSON Validator
Validate JSON and see clear error details.
Developer
UUID Generator
Generate secure UUID v4 values instantly.
Developer
Spinning Wheel
Spin a wheel to pick a winner randomly from your list.
Random
Random Team Generator
Split participants into balanced random teams.
Random
Word Counter
Count words, characters, and reading time.
Text
Percentage Calculator
Solve common percentage calculations quickly.
Calculators
Password Generator
Generate strong passwords with secure randomness.
Security
All tools
JSON Formatter
Format or minify JSON instantly in your browser.
Developer
JSON Validator
Validate JSON and see clear error details.
Developer
JWT Decoder
Decode JWT header and payload safely in your browser.
Developer
UUID Generator
Generate secure UUID v4 values instantly.
Developer
Random Name Picker
Pick a random name from your list.
Random
Spinning Wheel
Spin a wheel to pick a winner randomly from your list.
Random
Random Team Generator
Split participants into balanced random teams.
Random
Word Counter
Count words, characters, and reading time.
Text
Pomodoro Timer
Stay focused with a simple work/break timer.
Productivity
Percentage Calculator
Solve common percentage calculations quickly.
Calculators
Password Generator
Generate strong passwords with secure randomness.
Security