Free online tools that stay on your device
Unit, color and image converters, file compression for email and WhatsApp, passwords, QR codes, BMI, loan and savings calculators and more. Every tool runs entirely inside your browser: nothing you type or upload is sent to any server, and the site works offline once loaded.
๐ Runs 100% in your browser. Nothing is uploaded.
Files & images
- Image Converter (JPG, PNG, WebP, PDF) Convert photos between JPG, PNG and WebP, or combine several images into one PDF. Everything happens in your browser.
- Compress Files for Email & WhatsApp Shrink photos to a target size (200 KB, 1 MB, 2 MBโฆ) and pack documents into a compressed ZIP so they fit email and WhatsApp limits.
- Sign a PDF or Image Fill in and sign a PDF or image: fillโin fields are found for you, then draw or type one signature with free text next to it. The file never leaves your device.
Converters
- Unit Converter Convert metric and imperial units instantly (cm to inches, kg to pounds, Celsius to Fahrenheit) and a circle's radius, diameter and circumference.
- Color Converter (HEX, RGB, HSL) Convert colors between HEX, RGB and HSL instantly, with a color picker and live preview. Copy any format in one click.
Security
Text
Calculators
Finance
- Loan Calculator Calculate the monthly repayment, total interest and total cost of a loan or mortgage, with a yearโbyโyear repayment schedule.
- Savings & Compound Interest Calculator See how savings grow with compound interest and a monthly deposit, and compare the balance after 5, 10, 20 or 30 years.
No tools match your search.