Tool library
All tools
Search, filter, and sort a growing collection of focused utilities designed to make everyday work faster and simpler.
Age Calculator
Calculate an exact age between two dates in seconds.
Basic Calculator
Add, subtract, multiply and divide with history and keyboard input.
BMI Calculator
Work out your body mass index in metric or imperial units.
Color Palette Generator
Build harmonious palettes from any base color.
Color Picker
Pick any color and read its HEX, RGB and HSL values instantly.
Countdown Timer
Count down days, hours, minutes and seconds with pause and restart.
GPA Calculator
Calculate your GPA from subjects, credit hours and letter grades.
Image Compressor
Make image files smaller without sacrificing visual clarity.
Invoice Generator
Create a clean invoice with items, tax and discount, then print or save as PDF.
JSON Formatter & Validator
Pretty-print, minify and validate JSON with clear error details.
Meta Tag Generator
Generate title, description, keywords, canonical and Open Graph meta tags.
Password Generator
Create strong, customizable passwords for safer accounts.