
Kraken.io
8.4#3 in image compression softwareFrom $50 a yearFree planWebAPIExtensionLinux
Visit

| Fact | Kraken.io | RIOT |
|---|---|---|
| API access | Yes | No |
| Batch processing | Yes | Yes |
| Compression modes | The product provides lossy, lossless and expert optimization modes. | both |
| Free plan | Yes | Yes |
| Image resizing | Images can be resized with several strategies before optimization. | Yes |
| Metadata controls | Yes | Yes |
You want what its maker publishes above — check its page for the details.
RIOT suits desktop users who need to resize or optimize images in batches and compare the result with the original. Its listed platform support includes Windows, macOS, and Linux.