You can also choose Custom and move the slider to customize the compression level.The smaller the file size, the lower the image quality will be, so if you want to compress PDF file size without reducing the image quality, select "Large File Size" or "Medium File Size" mode. See from the screenshot, you know that there are three preset compression modes.If the PDF has only permission password, the program can reduce the file size without the need to enter a password.Ĭlick the settings button on the right of the PDF file and choose a compression mode (4 modes available). Just click on the red lock and enter your password. If you need to reduce the file size of a password protected PDF, you can also use this program.įor open password protected PDF the program will recognize and show a lock icon on the PDF and a red lock in the right.Drag and drop PDF files into the program or click on the “Add Files” button on the top left corner. You can load batches of PDF files and compress them all at once.Download Free Trial of Cisdem PDF Compressor.Compress protected PDF on Mac-Once you have input the correct password within this program, the compressor will continue to reduce your PDF file.įollow the steps to reduce PDF file size on Mac without losing quality.In my test, I compressed a 500-page PDF within 1 minute Reduce PDF size fast-The compressor processes compression extremely fast, within seconds, you will get files with reduced size. Batch compress PDFs-If you need to deal with many PDF files, this program makes it amazingly simple to reduce the size of one or multiple PDF files, which allow Mac users to import up to 50 PDF files at one time.And no matter how large your PDF is, this Mac program can still offer a way to reduce the PDF file size on Mac below 100kb. That's to say, if you choose Small Size Compression, a PDF file in 4.77MB also can be compressed to 45KB in good quality. Reduce PDF file size without losing quality-If you have higher requirement on shrinking PDF files on Mac, PDF Compressor Mac allows you to shrink PDF files in 4 modes, Small File Size, Medium File Size and Large File Size, even you can customize the quality by manually inputting the parameters. While, the reasons why Cisdem PDF Compressor comes as the best choice is not only due to its high quality compression, but also for a set of benefits it offers to users. Tools to compress a PDF file on Mac are plentiful enough, and choosing the best is really not easy. What You Can Expect from Cisdem PDF Compressor? Also, as it is a offline PDF compressor there is no need to worry about information leakage. It comes with different PDF compressing mode which can reducing the PDF file size by more than half without reducing image quality. It can help you easily compress multiple PDFs at once on your Mac and Windows. We recommend you have a try with Cisdem PDF Compressor for Mac. If you work with PDF on a regular basis, or your PDF contain personal or company information, and you prefer to choose an specialized software to do the compressing. The Best-Reduce PDF Size on Mac without Losing Quality Compress password-protected PDF files with ease.Reduce PDF file size without losing quality.4 modes to reduce PDF file size in different level: high, medium, low, custom.③ Number 3 test PDF: A 55.1 MB sized PDF that have 23 pages and it's content are mostly images.Ĭisdem PDF Compressor Best PDF Compressor for Mac and Windows ② Number 2 test PDF: A 3.6 MB sized PDF that have 60 pages and its content both have images and text. ① Number 1 test PDF: A 4.6 MB sized PDF that have 543 pages and are mostly text based, have no images. You’ll see how all the tools perform in each scenario - and find out the strengths and weaknesses of each one. To help you find which available options works best at reducing PDF file size, we tested 6 PDF compressor tools using three different PDF files each with different size and content. So we will also introduce specialized software that can compress PDF without reducing the image quality. We know, most of you are worried that reducing the size of the PDF will also reduce the image quality, which makes the PDF unreadable. Here in this article we will introduce and compare all the available choice. To reduce PDF file size on Mac, we can use Preview, free online sites, free PDF Compressor, and paid software. In this case, reducing PDF file size on Mac while without losing quality becomes a crucial thing. While, large PDFs often bring troubles when we sending PDFs by email but with a size limit, or the large file eat up too much space on our Mac. PDF file usually comes with lots of graphics and images, which may make PDF file size quite large.
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