Reduce the size of your PDF documents with this easy-to-use tool. Select your file, choose the desired output quality, and compress your PDFs with a single tap. Save disk space and speed up uploads and downloads.
Summarized from real user reviews of PDF Compressor. Based on 650 reviews and a 4.7/5 average, it highlights the 5 positives and 8 negatives reviewers mention most about this Utilities app.
1.7
January 29, 2026
- Bug fix - Support iOS 26
9 issues
App crashes on second compression attempt
File size increases instead of decreasing
5 requests
Reduce or eliminate advertisements
Add compression quality/control settings
This app is designed to reduce the file size of your PDF documents. It allows you to compress PDFs, which saves disk space and makes uploads and downloads faster. You can select the quality of the output PDF to control the level of compression.
Compressing a PDF is simple. You select the PDF file you want to compress directly on your device. Then, you choose the desired quality for the output PDF, and with a single tap, the app will reduce the file size.
Yes, this PDF compressor app is free to download and use. It is supported by advertisements, which allows it to be offered at no cost to users.
While the app is effective at reducing PDF file sizes, some documents may not experience significant compression. This can happen if the PDF is already compressed or if it contains very little data that can be further reduced.
This app is particularly useful for individuals who deal with large PDF files, especially those containing many scanned graphics or photos. It helps save storage space and reduces the time and cost associated with transmitting large documents.
