Bulk Image Resizer

Resize many images at once to the same width, height or percentage, and download them as a ZIP.

Runs in your browser. Your input is processed on your device and is not uploaded to our server.

Drop up to 100 images hereProcessed one by one on your device.

Resize by

Value (px or %)

Format

Quality

Allow enlarging smaller images

How to use the Bulk Image Resizer

Drop up to 100 images.
Choose how to resize them and the output format.
Click Resize all and download the ZIP.

Images are processed one after another on your device. Large batches may take a while and use a lot of memory, so close other tabs if your device slows down. Smaller images are not enlarged unless you ask. Your images are processed in your browser and are not uploaded to our server.

Frequently asked questions

What happens to the file names?

They are kept, with the new extension. Duplicate names get a number.