Image compressor

How to use

Shrink a JPEG, PNG or WebP, or convert it to one of the others, then download the result. The picture stays in this page. Re-encoding strips EXIF and GPS. HEIC isn't supported yet.

Image (JPEG, PNG or WebP)

Or drag an image onto this box.

Output

JPEG

PNG

WebP

Quality 80

Lower quality makes a smaller JPEG or WebP file. 80 is a good start.

Longest side 4096 px

Up to 4096 px on the long side. Smaller makes a smaller file. The picture is not enlarged.

Choose a JPEG, PNG or WebP.

How it's made

JPEG, PNG and WebP are decoded and encoded in the browser. Nothing is uploaded, and there is no extra library.
Quality is the canvas encoder hint from 1 to 100 (sent as 0.01 to 1). PNG ignores it, so that slider is turned off for PNG.
The long side stops at 4096 px, including for a larger photo, so the page keeps one working image instead of a full-size copy. Shrinking steps down by halves. A photo over 60 megapixels is refused before it is opened. One over 16 megapixels is kept only when the browser can scale it while opening.
PNG and WebP keep transparency. JPEG is filled with the background colour, white unless you change it.
HEIC is not in this version. Export a JPEG, PNG or WebP from the camera roll. An animated WebP keeps its first frame.