Shrink JPG, PNG and WebP files with a quality slider you control — and see exactly how much you saved. 100% browser-side: your photos never leave your device.
No. Compression uses your browser's canvas engine. You can disconnect from the internet after the page loads and it still works.
75% is the sweet spot for photos on the web — usually 60–80% smaller than the original with no visible difference. Drop to 50% for thumbnails, raise to 90% for print or archival copies.
PNG is lossless, so re-encoding an already-optimised file can add bytes. For photos, choose JPG or WebP instead — PNG only makes sense for screenshots, logos and transparency.
Yes. Canvas re-encoding drops all metadata, including GPS coordinates and camera info, which is a useful privacy side effect before sharing photos.
Each image can be up to 50 MB, with no limit on how many you add. The cap exists because processing uses your device memory.