Image compression, cropping, format conversion and metadata inspection that never uploads your files to a server.
16 of 16 tools
Shrink JPEG, PNG and WebP files with a quality slider and a live size comparison.
Resize images by pixel dimensions or percentage, with the aspect ratio locked or free.
Turn a logo into favicon.ico, the PNG sizes a site needs, and the HTML to declare them.
Convert between JPEG, PNG and WebP, with quality control and transparency handling.
Crop an image to an exact region, by hand or to a fixed aspect ratio.
See the EXIF data hidden in a photo — camera, timestamp and GPS location.
Strip EXIF and GPS data from a photo before you share it.
Convert PNG images to JPEG, with a background colour for transparent areas.
Pull the dominant colours out of an image as hex, RGB and CSS variables.
Convert JPEG photos to PNG, losslessly from that point on.
Convert images to and from WebP, usually the smallest format at the same quality.
Turn an image into a Base64 data URI you can paste straight into HTML or CSS.
Rotate an image in 90° steps or by any angle, with a live preview.
Measure how hard an image has been compressed, and whether it is worth optimising.
Paste Base64 image data and get a viewable, downloadable image back.
Mirror an image horizontally or vertically, with an instant preview.
Create strong random passwords with full control over length and characters.
Format, validate and minify JSON, with errors that point to the exact line.
Work out any percentage — of a number, as a share, or as a change.
Find the mean, median, mode and range of a list of numbers, with the working shown.
Sample and population standard deviation and variance, both shown, with the working.
Check a downloaded file against its published checksum, without uploading anything.