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Batch Compress Up to 25 Images Simultaneously

Shrink multiple JPG, PNG, and WebP images at once with custom quality controls. All processing happens in local browser memory.

Up to 25 Images per BatchCustom Quality ControlZero Server QueuesFree & Private

Drop your images here

or choose files from your device

PNG, JPEG, or WebP · Up to 40 MB
A practical guide

Use Bulk Compressor with confidence

Batch image compression allows you to optimize dozens of photos simultaneously with consistent quality and format settings. ImageDock processes your entire batch in local browser memory without uploading files to remote queues.

When this tool is useful

Optimizing product galleries, real estate listings, client photo shoots, and website assets in bulk.

What to check before downloading

Set your quality level (80% is recommended for web use) and check the before/after byte count for each file in the batch before downloading.

A simple workflow

  1. Select or drop up to 25 images simultaneously.
  2. Choose your target quality percentage and output format (WebP, JPG, or PNG).
  3. Click "Compress images" to process the entire batch locally.
  4. Download individual compressed files directly to your device.

Common questions

How many images can I batch compress at once?

You can process up to 25 images per batch directly in your browser. Once finished, you can add another batch immediately.

Can I convert formats while batch compressing?

Yes. You can convert all files in the batch to modern WebP, JPG, or PNG during export.