Compress images
Make photos and other images smaller in batches, by quality, dimensions or a target size in KB.
or drop them here, or paste.
Runs in your browser. Your files are not uploaded.
Animated GIF and WebP inputs use their first frame; the GIF tools keep animation.
How to use Compress images
Drop one or more images on the page.
Set the quality, and optionally a maximum width or height, or a target size in KB.
Choose how to treat PNG files: keep them as PNG or convert them to WebP.
Select Process images and compare the sizes.
Select Download: one image downloads on its own, several as images.zip.
Questions
No. Everything runs in your browser and nothing is uploaded.
Quality only affects JPEG and WebP. A PNG kept as PNG is recompressed losslessly with oxipng, so the pixels stay identical. Converting it to WebP usually saves more.
The original is kept and the result says it is already optimal.
Yes. Enter a target size in KB and the tool lowers the quality until the file fits. PNG has no quality control, so a PNG kept as PNG may miss the target; the result says so.