Free Online Tools,
Built to Be Fast
Clean, accurate calculators and utilities. No sign-up, no clutter, no nonsense — just the tool you need.
100%
Free forever
<1s
Load time
0
Sign-ups needed
Calculators
Percentage Calculator
Percent of a number, change, increase, decrease & difference
Live
BMI Calculator
Body Mass Index from height and weight
Coming soon
Loan Calculator
Monthly payments, interest & amortization schedule
Coming soon
Age Calculator
Exact age in years, months, and days
Coming soon
Salary Calculator
Annual to hourly, monthly, weekly breakdown
Coming soon
Converters
Unit Converter
Length, weight, temperature, volume & more
Coming soon
Color Converter
HEX, RGB, HSL conversion & color picker
Coming soon
Generators
Password Generator
Strong, random passwords with custom rules
Coming soon
QR Code Generator
Generate QR codes for URLs, text, WiFi & more
Coming soon
Text Tools
Word Counter
Count words, characters, sentences & reading time
Coming soon
JSON Formatter
Beautify, validate & minify JSON data
Coming soon
Image Tools
Image Compressor
Reduce image file size without losing quality
Coming soon
Why CrispTool?
Most online tool sites are slow, bloated with ads, and look like they were built in 2005. We think you deserve better. Every tool on CrispTool is designed to load instantly, work accurately, and look clean on any device.
All calculations run directly in your browser — your data never leaves your device. No accounts, no tracking, no popups. Just open the tool, get your answer, and move on.
We're adding new tools regularly. Bookmark this page and check back soon.