How to Compress PDF Files On Android, iPhone & iPad

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You might be working on a PC you probably know how frustrating it is to manage documents on a daily basis. One of the most intimidating tasks in terms of document management is exchanging documents along with your colleagues, friends and family. Why is that such a tough task to handle? in this article, we’ll be showing you the method you’ll be able to Compress PDF Files On android, iPhone & iPad.

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Well, some documents are too huge and because of their size, you can’t manipulate them simply. you may have troubles sending such documents via email or when you need to transfer a document somewhere online. The only solution is to make them smaller. making documents smaller is also called shrinking or compressing.

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Compressing files is similar to zipping, but the format remains the same. Since many people need to compress their files, there is a huge demand for file compressors apps in the market. There are various tools and mobile apps that compress files of different formats.

Compress PDF Files On Android, iPhone & iPad

As we know PDF is the most used file format, it has found its way in compression as well. Many file compressors are focused on compressing PDF files and that is their top or the only feature. One such app is called Compress PDF, developed by Cometdocs. This is a mobile app and it is available on iTunes and Google Play store as well.

I picked up the Compress PDF app because it is a very simple and user friendly mobile app that reduces the size of PDF files. It works on both smartphones and tablets, and it doesn’t drain the battery of your device as well. Compressed files are deleted from the servers so you don’t need to worry about the privacy.

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How to Compress a PDF on iPhone or iPad

Once you download the app from the app store, you will see how easy it is to shrink a file. Tap on the app icon and you will get a screen like the screen shown below:killertricks compress pdf


In the section Convert File From, you can locate a file placed in your phone, Gmail, Google Drive, Dropbox, Box, and OneDrive. After a few minutes, you will get a compressed file. The file will be shown within the app and in most cases, the quality of the compression will be quite preserved.

How to Compress a PDF on Android Device

Compressing PDFs on Android is pretty much the same: open the Compress PDF app and tap the + button to choose a PDF.killertricks compress pdf

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Then You need to locate a PDF from the device or from linked services mentioned above (Google Drive, Box etc.). In the same way, the compressed file will be shown within the app.

What Else You Should Know:-

  1. Internet access is must at the time to compress a PDF with this app. You can use both WiFi or Mobile data internet, but if a wireless is slow or unreliable, better use mobile data internet.
  2. There is no guarantee that all files can be compressed because some files are too small to be compressed or they simply cannot be compressed. Also, it depends on a document to be compressed.
  3. There is free and paid version of the app as well, but there is no difference in the quality of compression. Users who don’t want to buy paid version need to wait for one hour to get a compressed file. Users who pay a one-time (lifetime) subscription fee, can get compressed files almost instantly.
  4. In both cases, there is no limit on the number of usages and you can rely on the app and keep compressing PDF files.

If you face any difficulty feel free to comment below. Make sure you bookmark our post in your browser. This is the article about Compress PDF Files On Android, iPhone & iPad.

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Shekhar is the administrator of Killertricks. A tech Enthusiast. Who writes mostly about Tricks, SEO, Blogging and Android Tweaks. He works very hard to serve you with best Tips and Tricks from around the Technical World.


  1. Hi, Shekhar. This is perfect for what I was looking for. Thanks for the sharing. I used to compress PDF with Acethinker PDF Converter, not free, but works pretty well for me, share it here as an alternative method.


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