UsefulKit
Free Online Tools That Just Work
Fast, accurate, and privacy-friendly tools for files, text, dates, converters, and health calculations.
Popular Tools
File Tools
Image Compressor
Compress JPG, PNG, and WebP files in seconds.
File Tools
Image Converter
Upload once and convert to JPG, PNG, or WebP instantly.
File Tools
PDF to JPG
Convert PDF pages into high-quality JPG images.
Text Tools
Word Counter
Count words, characters, and reading time instantly.
Date & Time
Age Calculator
Calculate exact age from a date of birth.
Date & Time
Time Zone Meeting Planner
Find overlap meeting windows across U.S. and global time zones.
Converters
Unit Converter
Convert length, weight, temperature, and area units.