Free Online Tools
Everyday tools, ready to use
No signup. Calculations, text, passwords, and images stay in your browser.
Age Calculator
Find an age in years, months, and days.
Date Difference
Count the elapsed calendar days between two dates.
Percentage Calculator
Find a percentage, share, or change.
Discount Calculator
See the sale price and how much you save.
Tip & Bill Splitter
Calculate the tip and the share per person.
Unit Converter
Convert common length, weight, and temperature units.
Word Counter
See word count, character count, and estimated reading time.
Text Case Converter
Switch between uppercase, lowercase, and title case.
JSON Formatter
Validate and format JSON in your browser.
Password Generator
Generate a random password with your browser’s secure random source.
Image Compressor
Resize and compress a JPG, PNG, or WebP to WebP locally.
Image Resizer
Resize JPG, PNG, and WebP images to a maximum dimension.
JPG, PNG and WebP Converter
Convert JPG, PNG, and WebP files locally in your browser.
URL Encoder and Decoder
Encode or decode text for a URL parameter.
Base64 Encoder and Decoder
Convert UTF-8 text to Base64 and decode it back.
Text Find and Replace
Replace every exact match of a word or phrase in your text.
Remove Duplicate Lines
Clean up lists by keeping the first occurrence of each line.
URL Slug Generator
Turn a title into a short, hyphenated URL slug.
Unix Timestamp Converter
Convert Unix timestamps to a UTC date and time.
HEX to RGB Color Converter
Convert a three- or six-digit HEX color into RGB values.
Aspect Ratio Calculator
Simplify image dimensions and calculate a proportional height.