Useful tools.
Nothing else.
Fast, focused tools that run directly in your browser. Your files stay on your device—no uploads, no accounts, no fuss.
Image tools
Resize, compress and clean up images locally.
Compress Image
Reduce file size while keeping the quality you need.
Open tool →Resize Image
Change image dimensions with precise controls.
Open tool →Dimensions + KB
Meet exact pixel and file-size requirements.
Open tool →Remove EXIF
Strip camera, date and location metadata.
Open tool →Signature Background
Turn a paper signature into a transparent PNG.
Open tool →Compress to 100KB
Hit a common upload limit in one click.
Open tool →Flip & Rotate
Mirror or rotate an image instantly.
Open tool →Grayscale
Convert any image to black and white.
Open tool →Image to Base64
Encode an image as a data URI.
Open tool →Calculators
Clear answers for everyday and technical work.
Percentage
Find any percentage of a number.
Calculate →Date Difference
Count days and weeks between dates.
Calculate → ProCCTV Storage
Plan recording storage across cameras.
Calculate →Aspect Ratio
Simplify or scale image dimensions.
Calculate →Video Bitrate
Match bitrate, duration and file size.
Calculate →LED Resistor
Choose a safe series resistor and rating.
Calculate →Unit Converter
Length, mass, speed and more.
Calculate →Compound Interest
See how savings grow over time.
Calculate →Loan Calculator
Monthly payments and interest.
Calculate →Random Number
Integers in any range.
Calculate →Base Converter
Binary, hex, octal and decimal.
Calculate →Color Converter
HEX, RGB and HSL.
Calculate →