NEW: Added a new profile setting that ensures PDF/A-4 support for long-term document archiving. Incompatible compression options are automatically turned off and disabled. NEW: Added an “Optimize images” option to compression profiles. Turn it off to leave images unchanged while optimizing other PDF content. NEW: Improved importing speed and responsiveness for folders containing thousands of PDFs. NEW: The status bar now appears automatically when more than 10 PDFs are loaded. NEW: Improved the reliability of compression statistics recorded by automation tools such as Automator. NEW: Renamed “Remove document structure tree” to “Remove document tags” and added a tooltip explaining how to preserve accessibility information, including image descriptions. NEW: Improved the reliability of comparison zoom controls when switching views. NEW: Added overall compression progress and an active file count to the status bar. NEW: Added progress rings for individual files in the sidebar when using the new compression engine. NEW: Added sidebar sorting by name, original size, compression ratio, date added, or status, with reversible order. NEW: Added a live status summary below the selected-file count. NEW: Added a translucent, fading background behind sidebar controls and extra scrolling space to keep the last file accessible. NEW: Enabled Save As for multiple selected files, allowing compressed copies to be saved to a chosen folder. NEW: Improved responsiveness when importing many files with Finder tags. NEW: Improved image-quality preservation by avoiding JPEG recompression for tiny file-size savings, making repeated compression more predictable. FIX: Fixed a potential cause of Finder Quick Action failures when compression statistics could not be accessed. FIX: Fixed the app becoming unresponsive when saving very large batches of PDFs. FIX: Fixed file permissions being released before background saves finished. FIX: The app now waits for pending saves to finish before quitting. FIX: Fixed image cropping compatibility that could cause other apps to report incorrect image dimensions and resolution. FIX: Fixed comparison profile pickers sometimes appearing incorrectly when entering comparison mode for the first time. FIX: Fixed importing folders dragged from the folder icon in a Finder window’s title bar.

FIX: Fixed a crash that could occur when opening or switching to Comparison mode. FIX: PDF text disappeared during compression of certain pages created with Apple Pages.

FIX: Removing embedded standard fonts could make text unreadable in PDFs with custom character encodings.

NEW: Added an option to flatten and embed annotations during compression, making them uneditable and unmovable. NEW: Improved compression of PDFs with 16-bit images, producing smaller files while preserving color profiles and image quality. FIX: UI translations that had been missing have been added. NEW: PDF Squeezer now uses efficient lossless 1-bit encoding for pure black-and-white images, preserving sharp text and line art while reducing file size. NEW: Some minor UI improvements have been made. FIX: After deleting or restoring a page, the comparison pickers may did not show the updated file size and reduction percentage. FIX: Removing all files did not always return PDF Squeezer to the “Drop here” start screen.

FIX: Fixed some compressed PDFs displaying black page backgrounds. FIX: Profile names in the comparison picker now update immediately after recompression to show the new file size and compression percentage. NEW: Added multi-core image processing for significantly faster compression of image-heavy PDFs. The more cores your CPU has, the faster the process will be. NEW: In comparison mode, both documents now remain aligned continuously while pinch-to-zoom is in progress. FIX: Fixed readability problems affecting text embedded in scanned images. FIX: Fixed Automator profile settings not always resetting to their default values. NEW: Added smarter lossless compression for monochrome images and scanned pages, including a new option to prevent downsampling monochrome scans for better image quality.

NEW: One can now delete single pages in the comparison mode to save more file size by deleting pages that are not needed. FIX: When converting the color profile of certain files, the application could crash. NEW: The app now displays a progress indicator and percentage, so you can easily see how much of the PDF compression is complete. NEW: A new option has bee added that moves the original file to the trash if you save it with a new name. FIX: Some missing user interface translations have been added. NEW: The app now displays more details on what is currently done, for example optimizing images, or removing redundant resources. NEW: An option to use the old compression engine has been added to the app settings. This should only be used if you continue to have issues with some PDF files and the new engine. Please report any issues you encounter so I can fix them. FIX: Compressing multiple files at once could crash the app. FIX: Sometimes, the color profile was altered even though it should have remained unchanged, resulting in a color shift.

NEW: Native Apple Silicon support is back. Thanks for your patience.

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.

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.

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.

NEW: The compression speed has been increased for files with many images.

FIX: Some users encountered a blank main window upon startup.

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.

NEW: The app now offers improved localization for various languages.

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.

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.

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.

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.

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.

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.

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

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.

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.

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.

NEW: A button has been added to the automation preferences to help locate and edit the installed Quick Action in Automator.