UnderMB: File Size Compressor
Compress Video, Photo & PDF
Free · Designed for iPad. Not verified for macOS.
Reduce photo, video, audio, and PDF file sizes on your device. Useful when an upload limit is strict.
UnderMB helps you reduce photo, video, audio, and PDF file sizes to fit common upload limits. Processing happens on your device.
WHAT IT DOES
• Choose a target size: 500 KB, 1 MB, 2 MB, 5 MB, or a custom value
• Compress images, videos, audio files, and PDFs
• Preview results before saving or sharing
• Built-in presets for email, visa forms, WhatsApp, and similar uploads
• Optional metadata removal (EXIF/GPS, PDF info)
• Batch queue for multiple files
• Save to Files or share from the app
PRIVACY
UnderMB does not require an account. Files are processed locally and are not uploaded to UnderMB servers.
GOOD FOR
• Forms and portals with file size limits
• Smaller email attachments
• Chat apps with upload caps
• Reducing file size before sharing
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
• Improved compression speed and quality for video and photos
• Enhanced background processing for batch files
• Minor bug fixes and UI performance optimizations
The developer, CEMRE SIMSEK, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Location
- Identifiers
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- CEMRE SIMSEK
- Size
- 9 MB
- Category
- Utilities
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPad
Requires iPadOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Contains
Advertising
- Copyright
- © 2026 UnderMB