UnderLimit: PDF Compressor

Shrink Photos to Target Size

Free · In‑App Purchases · Designed for iPad. Not verified for macOS.

Need a photo or PDF under a size limit? Pick your target size and UnderLimit does the rest. Fast, private, processed on your device. No subscription. Make your files fit the limit. UnderLimit helps you reduce photos and PDFs to the file size you actually need. Choose your target size, and UnderLimit handles the compression while preserving the best quality possible. PERFECT FOR FILE SIZE LIMITS Need a photo under 1 MB? A PDF under 5 MB? An attachment small enough to upload or send? Set the target size and let UnderLimit do the work. PHOTO COMPRESSION • Compress photos to a target file size • Reduce image size in KB or MB • Keep the best quality possible • Quickly prepare images for uploads, forms, email, and sharing PDF COMPRESSION • Reduce PDF file size • Choose the maximum size you need • Prepare PDFs for upload limits and attachments • Simple, fast workflow SMART RECOMMENDATIONS Not sure which target size to choose? UnderLimit can help you select an appropriate size for your file. PRIVATE BY DESIGN Your files are processed directly on your device. Your photos and PDFs don't need to be uploaded to a remote server for compression. SIMPLE PRICING Start using UnderLimit for free. If you need more, unlock UnderLimit Unlimited with a one-time purchase. No subscription. No ads. No account required. UNDERLIMIT IS USEFUL FOR • Online forms and portals • Email attachments • Applications and document submissions • Websites with maximum upload sizes • Reducing photos before sharing • Compressing PDFs for size-restricted uploads Stop guessing compression levels. Choose the size you need and make your file fit the limit.

Ratings & Reviews

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What’s New in UnderLimit 1.4 • PDF compression is now far more accurate: the result lands close to the size you choose instead of dropping far below it • Preserve Text now really reduces PDFs and keeps text searchable and selectable • Smart Analysis only recommends sizes that UnderLimit can actually reach • Better recommendations for long PDFs • General stability improvements

Version 1.4

The developer, ALESSANDRO VINCENZO DEL BALZO, 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 Linked to You

    The following data may be collected and linked to your identity:

    • Identifiers
    • Usage Data

Privacy practices may vary, for example, based on the features you use or your age. Learn More

Accessibility

The developer has not yet indicated which accessibility features this app supports. Learn More

Information

Seller
ALESSANDRO VINCENZO DEL BALZO
Size
3.8 MB
Category
Utilities
Compatibility
Requires iOS 17.0 or later.
  • iPhone
    Requires iOS 17.0 or later.
  • iPad
    Requires iPadOS 17.0 or later.
  • Mac
    Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
Languages
English
Age Rating
4+
In-App Purchases
Yes
Copyright
© 2026 Delba Labs
  • Developer Website
  • Privacy Policy

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