PDF Squeezer 4
Compressing PDF Files Quickly
Only for Mac
S$ 29.98
PDF Squeezer for macOS makes compressing PDFs easier than ever. Simply drag and drop your file into the app, and it quickly reduces the file size without compromising quality. At the same time, it optimizes the document’s structure by removing unnecessary elements, leaving only the essential content.
It’s no surprise that PDF Squeezer has been the most popular PDF compression app for Mac for years!
Save gigabytes of data after compressing your PDF files with PDF Squeezer.
The compressed files can be read by every common PDF software, so that you can send them to everyone without hesitation.
When sending files, less is definitely more.
The smaller the size, the quicker it sends!
Key Features:
• Everything Mac: Specifically designed and engineered to work optimally with macOS
• Drop it like it’s hot: Drag and drop your file into the application window or on the app icon
• The more the merrier: Batch compress multiple files
• Every bit counts: Sophisticated compression process that uses numerous methods to reduce the file size
• Automate your workflow: Includes Shortcuts and Automator actions and a command line interface
• Compression Profile: Select from predefined compression profiles OR create your own!
• Folder Convenience: Select a folder and compress all its files – including subfolders
• Watchdog: Support for password-protected PDFs
• View metadata and file properties: View information like title, author, keywords or the number of images and the average resolution
• More tools than just compression: Use more tools like exporting all images of a PDF
• Side by side Comparisons: Compare files and different compression settings easily
• Sharing is caring: Export and share your compression profiles with others
• Full-screen mode: The app window supports a full-screen mode which is especially useful when comparing compressions
• Up to date: Conforms to all common PDF versions from 1.0 to 1.7 and 2.0
• Stats, stats, stats: See how much disc space you’ve saved since you started using PDF Squeezer
PDF Squeezer is a user-friendly and convenient app that allows you to send those important PDF files when you need to - without file size constraints!
PDF Squeezer 4 runs well on both Intel and Apple Silicon Macs (M1, M2, M3, M4, ...)
more This app is amazing, so simple to use and the upgrade is going to be worth every cent! Thanks!
This app is amazing, so simple to use and the upgrade is going to be worth every cent! Thanks!
NEW: The native ARM64 build of PDF Squeezer is temporarily not available due to an unresolved error. However, PDF Squeezer is still compatible WITH ALL Macs that have Apple Silicon and Intel chips. An update that supports Apple Silicon natively without the use of Rosetta is in the works and will follow shortly. There is nothing you have to do, other than updating once the next version is available. Sorry for the inconvenience, and thank you for your patience!
FIX: It was possible to display an error message about a missing license. It was also possible for the compression to not work.
4.7.2 10 Apr
FIX: The CLI may did not work because of a licensing error.
FIX: The shortcuts action may fail to run with certain combinations of other actions.
FIX: The app may have crashed if the file’s creation date couldn’t be read, which sometimes happened with files on shared locations.
4.7.1 9 Apr
NEW: The app now natively supports Apple Silicon, eliminating the need to use Rosetta.
NEW: The app's compression engine has been modernized, resulting in enhanced compression results.
NEW: Depending on the PDF file and your Mac, the compression speed is now up to twice as fast as before.
NEW: More icons have been added to the menus for better recognition.
NEW: The new minimum macOS required is now macOS 13.0.
4.7 24 Mar
NEW: The compression speed has been increased for files with many images.
4.6.2 18/10/2025
FIX: Some users encountered a blank main window upon startup.
4.6.1 16/09/2025
NEW: The user interface has been updated to make use of new UI elements of macOS 26 Tahoe like the Liquid Glass buttons in the file preview and much more.
NEW: The app icon has been updated to match the new style of macOS 26 Tahoe.
NEW: The new minimum OS version is macOS 12.4.
FIX: Sometimes button text was cut off at some parts of the app.
4.6 14/09/2025
NEW: The app now offers improved localization for various languages.
4.5.5 04/09/2025
NEW: A remove option has been included in the context menu that appears when right-clicking on a file.
FIX: The displayed file remained unchanged in comparison mode after a recompression, because the profile settings were adjusted.
FIX: The incorrect alert indicating PDF Squeezer could access files from other apps has been corrected.
FIX: Resolved minor bugs to enhance app performance.
4.5.4 12/02/2025
NEW: The Korean translation has been improved.
FIX: The compression may result in black or white areas appearing in some files.
FIX: The Automator Workflow installation may not have worked.
4.5.3 12/05/2024
NEW: The Korean translation has been improved by chazmlab.com
NEW: The app icon in the Dock now shows a small animation while a compression is running.
NEW: The app settings now have a new option. You can close the app window without closing the entire app.
4.5.1 09/03/2024
NEW: The file inspector can now be scrolled, which is useful when there are many metadata to show.
NEW: A new extra tool has been added. You can now extract and export text from a PDF file.
NEW: The inspector on the right side is now visible at launch, if you didn't close it the last time you used it.
NEW: There is now a progress indicator next to the file in the sidebar list.
NEW: Processing of images with indexed color space has been improved.
NEW: You can now open a compressed file in your PDF Reader app by double-clicking the icon or right-clicking on it.
NEW: Now, when you add new files, the comparison mode no longer closes, if it is open.
NEW: Some of the toolbar items have been reordered and are now visible at startup.
NEW: Some translation improvements have been added.
NEW: The appearance of the saved file size has been improved.
NEW: The comparison mode is now also available if a file is currently being compressed.
NEW: The new minimum OS is now macOS 11.0, if you've purchased the app before, you can still download an older version from the purchases section of the App Store. If you haven't purchased the app before, you can download older versions from my website.
NEW: When you switch the selected file (not the compressed file) in comparison mode, the PDF viewer returns to page one.
NEW: You can now share your statistics as an image by clicking the new button in the statistics window.
FIX: Sometimes the compression did not start or the button to start the compression wasn't visible.
FIX: Some Macs may not utilized all the performance CPU cores when compressing files.
FIX: Editing custom metadata settings did not apply in certain situations.
FIX: In certain cases, metadata containing special characters did not display correctly.
FIX: Switching the selected file could hide the correct title of the selected file in the inspector.
FIX: The app did crash when sorting by date.
FIX: When switching between files in comparison mode, the button labels may did not update correctly.
4.5 28/02/2024
FIX: If all files were removed from the list, the drop text and image would not be displayed again.
FIX: The Shortcuts extension did not work on all devices.
FIX: The app could crash while interacting with the sidebar.
4.4.1 15/11/2023
NEW: It is now possible to choose multiple files from the file list and exclusively save or edit the selected files. To do so, hold down either the shift or command key while clicking on the list.
NEW: Several enhancements have been implemented to refine the user interface on a smaller scale.
NEW: The compression of certain PDF types has been improved, resulting in even smaller file sizes.
FIX: Opening many files at once could crash the app.
FIX: Saving all files at once did not select the last file in Finder.
FIX: The app crashed while compressing some PDF types.
4.4 24/10/2023
NEW: Everything from 4.3.7, but the minimum macOS version had to be changed to macOS 10.15. If you want to download an older version that is compatible with macOS 10.13 or 10.14, please send a copy or screenshot of your purchase of PDF Squeezer to support@witt-software.com
4.3.8 27/09/2023
NEW: Ready for macOS 14 Sonoma
FIX: Added an error message when the licence activation failed because of a firewall. (non Mac App Store version only)
FIX: Minor bug fixes handling various PDF file types.
4.3.7 26/09/2023
NEW: The app has been translated to Hungarian. Thanks for your help!
NEW: The translation of app has been improved. If you see anything in your language that doesn't make sense, please let me know. :)
NEW: A warning shows up if you try to open more than ten compressed files in a PDF editor at once.
NEW: Some details of the user interface have been enhanced.
NEW: The overall compression performance has been improved.
NEW: The performance when opening large files has been improved.
FIX: In some cases the compression algorithm may have removed the background image of a page.
4.3.6 21/03/2023
FIX: Certain types of PDF files did crash the app when trying to linearize the file.
FIX: If a file was unlocked with a password, the password may have not been reapplied after the compression.
4.3.5 07/12/2022
NEW: A button has been added to the automation preferences to help locate and edit the installed Quick Action in Automator.
4.3.4 21/11/2022
NEW: The app is now ready for macOS 13 Ventura.
NEW: The British spelling has been improved.
FIX: The app may crashed when dragging a compressed file to the Finder.
4.3.3 21/10/2022
NEW: The Arabic localisation has been improved.
FIX: Sometimes the Log file could not be saved via the Help menu.
FIX: The app could crash when trying to compress certain PDF files.
4.3.2 10/05/2022
Version 4.3.1 just fixes a small bug.
Here's what's new in version 4.3:
NEW: Three Shortcuts Actions have been added that can be used with the new Shortcuts app of macOS 12 Monterey.
NEW: You can now convert the content of PDF files like text and vector graphics to PDF files that only contain images.
NEW: The app's icon has been updated to match the new style.
NEW: You can now see more statistics on how much space you've saved with PDF Squeezer.
NEW: Double-clicking on the main window now shows the open dialog like in PDF Squeezer 3.
NEW: Some error messages have been improved with more details about the error.
NEW: The German, French and Dutch localisation has been improved.
FIX: Issues with reading the statistics have been fixed.
FIX: Sometimes the Quick Action did not work with files on network drives.
FIX: In some cases the first date was displayed wrongly.
4.3.1 01/11/2021
NEW: Three Actions have been added that can be used with the new Shortcuts app of macOS 12 Monterey.
NEW: You can now convert the content of PDF files like text and vector graphics to PDF files that only contain images.
NEW: The app's icon has been updated to match the new style.
NEW: You can now see more statistics on how much space you've saved with PDF Squeezer.
NEW: Double-clicking on the main window now shows the open dialog like in PDF Squeezer 3.
NEW: Some error messages have been improved with more details about the error.
FIX: Issues with reading the statistics have been fixed.
FIX: Sometimes the Quick Action did not work with files on network drives.
4.3 24/10/2021
NEW: The drag and drop experience has been improved.
NEW: You can now mute the error message that some files could not be opened.
NEW: You can now pan around in comparison mode.
FIX: A possible crash with a broken database has been fixed.
FIX: Sometimes the app did not remember settings for app updates.
FIX: In rare cases saving a file could crash the app.
4.2.2 01/02/2021
NEW: Using the Automator action or command line tool now uses a backup name based on the output file and not the input file if a file with the same name already exists.
NEW: The performance has been improved when opening and saving large files.
NEW: The french localisation has been updated and improved.
NEW: A verbose option has been added to the command line interface. If you don't set it, you won't get any feedback.+
NEW: The user interface has been improved for Dark Mode.
FIX: For some users old databases could cause a crash on macOS 11 Big Sur.
FIX: In some cases using the command line interface with a profile did not work.
FIX: Updating the modification and creation date did not work with some older profiles.
4.2.1 08/12/2020
NEW: The interface has been updated to match the new design of macOS 11 Big Sur.
NEW: You can now extract all images of a PDF file.
NEW: Options have been added to set custom file metadata for keyword, subject, producer and creator. To remove metadata, just leave the text field blank.
NEW: View information about your PDF files like author, creator, image count and more.
NEW: Editing multiple compression profiles at once is now possible.
NEW: Exporting and importing multiple compression profiles into one PDFSCP file is now possible.
NEW: If the file extension of the original is hidden, a compressed copy of that file will now also hide the extension.
NEW: The command line tool is now able to compress all files of a folder so you don't have to provide the path for each file anymore.
NEW: The command line tool now shows you the progress if you compress multiple files at once.
NEW: Due to a bug in macOS 11 the compression rate is no longer displayed in small font in the profile pop up button. It will return as soon as Apple fixes that bug in a future version of macOS.
NEW: The Danish and Norwegian translation has been improved.
NEW: Updating the modification and creation date has been moved to the profile settings.
NEW: You can now drag the main window by clicking and dragging anywhere in the background.
FIX: Adding tags in the save panel were not being added to the file.
FIX: For some file types bitonal images were completely blank or black after compression.
FIX: Sometimes files that are password protected have been deleted without saving the compressed version.
FIX: In some situations the app did crash after launch on older Macs.
FIX: Dragging a PDF from Apple’s Mail app to PDF Squeezer did not always work.
FIX: The compression engine has been improved for some PDF types.
4.2 09/11/2020
NEW: The native ARM64 build of PDF Squeezer is temporarily not available due to an unresolved error. However, PDF Squeezer is still compatible WITH ALL Macs that have Apple Silicon and Intel chips. An update that supports Apple Silicon natively without the use of Rosetta is in the works and will follow shortly. There is nothing you have to do, other than updating once the next version is available. Sorry for the inconvenience, and thank you for your patience!
FIX: It was possible to display an error message about a missing license. It was also possible for the compression to not work.
more Version 4.7.2 10 Apr
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