A free app for Android, by Back2Apps.

Compress all Images & Videos Resizer is an easy-to-use, powerful image compression application that helps you quickly decrease image size as well as shrinks the large video sizes.

No need to worry about storage space. You can save your photos and videos on your device and even upload them to the cloud. 

Compress all Images & Videos Resizer can help you to resize your photos and videos, so you can easily share them with your friends on social media. You can also use it to create e-mail attachments.

How to use it:

You just have to select your photos or videos from the gallery and then select the desired quality. You can choose from the following options: PNG, JPEG, GIF, BMP, and many more.

The application will then do its magic and you can save the new file on your device or upload it to the cloud.