Image Compressor
Compare image sizes after a local Canvas export. The result can be smaller or larger; if re-encoding to the same format is not smaller, the original is kept.
Drop a JPEG, PNG, or WebP image here
20 MB maximum. Processing stays in this browser.
How to use it
- Choose or drop a JPEG, PNG, or WebP image.
- Choose output format and adjust quality for JPEG or WebP.
- Compress, compare the actual sizes, then download.
Example & limitations
For example, try a 4 MB JPEG at 75% quality and compare its downloaded size before keeping it.
20 MB input; 8,192 pixels per side and 32 million pixels total. PNG is lossless and ignores the quality slider. JPEG fills transparency white. Browser exports may remove animation, metadata, and color profiles; WebP export depends on browser support.