"JPEG" is the so-called Joint Photographic Expert Group – the first international standard of image compression. JPEG image compression algorithm does not merely provide good compression performance, but at the same time, has a better reconstruction quality, thus, it makes the lossless compression available. All in all, "JPEG" typically achieves 10:1 compression with little perceptible loss in image quality, which is widely and popularly used in image processing field
In conclusion, by virtue of JPEG technique, iMyFone Umate can safely compress your photos to release up to 75% of your photos' capacity for your iDevice.
Absolutely not! By default, this program will automatically create backups for your photos on your computer. Therefore, you can still get the original photos back if needed.
After Compression, you can back to the Compression interface of iMyFone Umate, in the bottom left corner, click "Open Backup Folder", you can find all your original photos.
- Make sure your iOS is supported. iMyFone Umate can support iOS 7.0 and later.
- Reconnect your device or use another workable USB cable (the originally USB cable is the best if available to use); then close and restart iMyFone Umate.
- Ensure that the latest version of iTunes is installed successfully and it can detect the device. If not, you can go to the link www.apple.com/itunes/ to download and reinstall it.
If you encounter the error for several times, please contact us via support form: https://www.imyfone.com/support/contact/, describing your case in details. More information will be greatly helpful for troubleshooting.
Note: Free (Giveaway) item does not support free lifetime upgrades and lifetime customer service.
iMyFone will not ignore any question that submitted to us. We will try our best to solve all technical issues or other problems that you encounter when using our products. Sometimes, we may deal with many questions at one time, so please kindly wait for our reply. We promise that the earliest response will be provided to you!
For iDevices with iOS 8.3 and above, iMyFone Umate can also remove temporary files created by iOS system itself. But for third-party apps' temporary files, we couldn't remove them directly, we free up this part of space by clearing up trash debris.