Image resizer
Change image dimensions with browser-only processing.
Showing 10 of 10 tools
Change image dimensions with browser-only processing.
Reduce image file size by adjusting quality locally.
Convert images between WebP, JPG, PNG, AVIF, TIFF, GIF, and BMP in seconds.
Crop an image to exact dimensions without uploading it.
Turn an image into a ready-to-copy Base64 data URL locally.
Calculate the area and perimeter of common shapes.
Find percentages, changes, and percentage amounts quickly.
Add, subtract, multiply, and divide fractions with simplified answers.
Work with powers, roots, trigonometry, logs, and everyday maths.
Count words, characters, sentences, and estimated reading time.