alternatives to
Online service that compresses PNG, JPEG and WebP images, with an API. A closed product from Voormedia.
| Tool | Fit | Stars | Licence | Terms | Self-hosted | Language | Latest | Last push |
|---|---|---|---|---|---|---|---|---|
| Caesium | Full replacement | 6.4k | GPL-3.0 | Open source | No | C++ | v2.8.5 | 2026-10-05 |
| Squoosh | Partial | 26k | Apache-2.0 | Open source | No | TypeScript | v1.12.0 | 2026-09-23 |
2 alternatives
Caesium is an image compression software that helps you store, send and share digital pictures, supporting JPG, PNG, WebP and TIFF formats. You can quickly reduce the file size (and resolution, if you want) by preserving the overall quality of the image.
Compresses JPEG, PNG, WebP and TIFF in batches on your machine.
Make images smaller using best-in-class codecs, right in the browser.
Compresses and converts one image at a time in the browser, with the codec settings exposed.