How to Compress Multiple Photos at Once (Bulk Image Compression)
Compressing photos one by one doesn't scale. Here's the faster way to shrink a whole batch at once.
Compressing one image at a time is fine for the occasional photo, but it falls apart fast when you're dealing with a whole product catalog, a photo album, or a folder of screenshots that all need to shrink before upload. Bulk compression solves exactly that - one upload, one setting, every file compressed together.
How to compress multiple images at once
- Upload as many images as you need compressed to a bulk image compressor - mixing formats is fine.
- Pick a single quality level that will apply across the whole batch.
- Let the tool process every file, then download the result as one zip containing all the compressed images.
Where this saves the most time
- Preparing a batch of product photos for an online store
- Shrinking an entire photo album before uploading to a shared drive with a storage limit
- Compressing a folder of screenshots or graphics for a website redesign
A tip for mixed content
One quality setting doesn't always suit every image equally - a screenshot with text and a smooth landscape photo don't compress at the same rate before quality loss becomes visible. If a batch contains very different types of images, it's often worth splitting it into two runs (photos in one, graphics/screenshots in another) rather than finding a single compromise setting for everything.
Frequently asked questions
Can I really compress a mix of JPG, PNG, and WebP files together?
Yes - a bulk compressor typically handles mixed formats in the same batch, applying appropriate compression to each file rather than requiring everything to match.
Do I get to pick the quality level for a bulk compression?
Usually one quality setting applies across the whole batch. If you have very different types of images (say, photos mixed with screenshots), you may get better results running them as separate batches at different settings.
How do I get all the compressed files back?
Bulk compressors typically bundle every compressed file into a single zip download, rather than making you save each one individually.