Questions, answered plainly.

No. Decoding, resizing, encoding, and comparison happen in your browser. Images are not sent to our server.

Each image can take up to 60 seconds. With 20 images, the full batch could take up to 20 minutes. You can cancel at any time and keep results already completed.

Yes. After a batch finishes, you can add more images and run another batch. Completed results can be removed individually or cleared all at once.

Failed images are marked and skipped. The rest of the batch continues. You can remove failed items and retry or proceed with successful results.