Compress many images at once
Drop a folder of images, choose a quality and an optional maximum width, and compress them all in one go. Every file shows its new size and how much you saved.
- On your devicePhotos are never uploaded
- Free, no watermarkNo credits or paywall
- No sign upOpen and start editing
- Works offlineOnce a tool has loaded
How to use Bulk Image Compressor
- 01
Drop as many images as you like.
- 02
Choose a quality and an optional maximum width.
- 03
Press Compress all and download a ZIP.
Made for websites and shops
Shrink a whole product catalog, a blog image folder or photos for email in one pass, with a clear size report for each file.
Never bigger
If a file is already well optimised, the original is kept instead of a larger copy.
Frequently asked questions
How many images can I compress at once?
There is no fixed limit. Very large batches depend on your device memory.
Can I compress PNG and WebP too?
Yes. Auto picks the best format for each file, or choose JPG or WebP yourself.
Is my photo uploaded?
No. Everything runs in your browser, so your photo never leaves your device.
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