UnderMB: File Size Compressor
Compress Video, Photo & PDF
About
Reduce the size of photos, videos, audio, and PDFs on your device. Select a target file size or use presets for common uploads like email or chat apps. Preview your compressed files before saving or sharing, with optional metadata removal.
What's New in UnderMB
1.0.2
October 23, 2026
• Configurable save location: Choose between UnderMB Files folder, Photos Library, or ask every time • Added in-app rating prompt • Performance improvements and bug fixes
MoreDeveloper apps
FAQ
What file types can UnderMB compress?
UnderMB can compress images, videos, audio files, and PDF documents. This allows you to reduce the size of various media and document types for easier sharing or storage.
How does UnderMB handle privacy?
UnderMB prioritizes user privacy by processing all files locally on your device. It does not require an account and your files are not uploaded to UnderMB servers.
Can I choose a specific file size with UnderMB?
Yes, you can choose a specific target file size for your compression. Options include 500 KB, 1 MB, 2 MB, 5 MB, or a custom value to meet your specific needs.
Does UnderMB have ads?
Yes, UnderMB contains advertisements. As a free utility, ads are displayed to support the app's development and maintenance.
What devices is UnderMB available on?
UnderMB is available for iPhone, iPad, and iPod devices. It is designed to function across Apple's mobile operating systems.
How often is UnderMB updated?
The latest version of UnderMB was released on October 23, 2026. While specific update frequency isn't detailed, this indicates recent development activity.
What is the age rating for UnderMB?
UnderMB has an age rating of 4+. This means it is suitable for children and adults, with no mature content.
Can I compress multiple files at once with UnderMB?
Yes, UnderMB supports a batch queue feature, allowing you to process multiple files simultaneously. This can significantly speed up your workflow when dealing with many files.
