PDFOptim vs Secure-Merge
| PDFOptim | Secure-Merge | |
|---|---|---|
| Free trial | Yes | |
| Paid from | $0.58/mo | |
| Platforms | iOS, macOS, Windows | Web |
| Free plan | Yes | Yes |
| Batch merging | Yes | |
| Primary platform | desktop | web |
| Cloud storage support | No | |
| Batch compression | Yes | |
| Offline desktop app | Yes | |
| Supported platforms | macOS, iOS, Windows | |
| Batch resizing | Yes | |
| Output formats | JPEG, HEIC, WebP, PNG, JP2, TIFF, PDF, PSD, GIF, TGA, EXR, BMP | |
| Resize methods | dimensions | |
| Quality controls | Yes | |
| Page selection | Yes |
Listed together in Best PDF Merger Software