Compress Multiple Images at Once
Batch compress up to hundreds of images at once in your browser.
How to use Bulk Compress
Select or drop any number of images — they are processed one after another right on your device, so even large batches work without uploads or queues. Pick one preset for the whole batch, or set a per-file target size. When it finishes you get every file individually plus a single ZIP with the whole batch.
- Drop your files into the box above, or click it to browse. You can also paste from the clipboard.
- Adjust the options to taste — the defaults are sensible for most cases.
- Press Compress and watch the progress bar; everything runs on your device.
- Download your result — individually, or as a ZIP when there are several files.
Like every tool on ImageCompressorKits, this runs 100% in your browser: your file is never uploaded to any server, which makes it safe to use even with private documents — and it keeps working if you go offline after the page loads.
Frequently asked questions
Is there a limit on how many images I can compress?
There is no hard limit. Files are processed sequentially in your browser, so the practical limit is your device's memory — hundreds of normal photos are fine.
Does the target size apply per file or to the whole ZIP?
Per file. If you set 500 KB, every image is individually compressed to about 500 KB or less.
Is this tool really free?
Yes — completely free, with no signup, no watermark, and no file limits beyond what your device's memory can handle.
Are my files private?
Yes. Processing happens locally in your browser via JavaScript; nothing is transmitted or stored. See our privacy policy for the full picture.