You can remove tags, flatten form fields, etc.įor Discard User Data, you can get rid of comments, document information, metadata, object data, file attachments, data from other applications, and more.įinally, the Clean Up tab does a few more housekeeping tasks like compressing the entire file and optimizing the PDF for fast web view. You can basically get rid of all the extra junk that is normally stored in every PDF file. The Discard Objects and Discard User Data are two really useful cleanup options for PDF files. If you scanned a bunch of pages into your PDF, then click on the Scanned Pages option and mess around with the sliding bar, which goes from Small Size to High Quality. For viewing on the screen, you only need 72 pixels. If the PDF file doesn’t need to be printed, you can reduce the quality and number of pixels per inch. This is really useful, especially if your images are at a really high resolution. Under Images, for example, you can downsample and compress the images to save space. Now you’ll be brought to a screen that has a whole bunch of options to configure!Ĭlick on the Audit space usage button in the top right to get a detailed listed of each component of the PDF file and exactly how much space it is using:Īs you can see, there are six different things you can do to make a PDF file smaller including optimizing or down-scaling images, reconfiguring scanned pages, adjusting fonts, adjusting transparency, discarding objects, and cleaning up the PDF file. Since version 7 of of Adobe Acrobat, there is a new option in the Advanced menu called PDF Optimizer. Not really sure what it does to shrink it, but it works, especially if you have a good number of images that are eating up a lot of space. When you go to File – Print, choose Adobe PDF from the drop down list of printers:Īmazingly enough, I’ve been able to shrink a 20 MB PDF file down to 3 MB just by using this method. Basically, you open the PDF file in Adobe Reader and print it to the Adobe PDF printer.Ī lot of time this works really well and will significantly reduce the size of your PDF file. The easiest way to try and shrink a PDF file is to perform a little trick, which basically is printing the PDF document to a PDF file. You can also play around with the Image Compression and see what type of benefit you get. If you only need the PDF to view on a computer, 72 pixels/inch will greatly reduce the size of your PDF if the images are large. Here you can remove all values from Image Sampling and enter a value for Resolution. Note that adjusting settings here is only useful if you have a lot of high resolution images in your PDF file.
Then, click on Filters and click on Reduce File Size. Just press Command + Spacebar and start typing colorsync. If you want to fine-tune it, you can open the ColorSync Utility. I was able to get a PDF file from 500 KB down to only 82 KB using this filter. Click on the drop down and select Reduce File Size.Ĭlick Save and you’re done. You’ll get a pop-up dialog and one of the options at the bottom is Quartz Filter. Now, click on File and then click on Export.
In that case, just right-click and choose Open With. By default, PDF files will open in Preview unless you installed Adobe Reader or a third-party PDF viewer.
Firstly, open your PDF file in Preview by just double-clicking on it in Finder. If you have a Mac, there is a great and easy way to significantly reduce the size of a PDF file using the built in Preview app. It also supports encrypted PDF documents and can work on a batch of hundreds or even thousands of PDF files at once. It supports lossless compression, so you should not see any reduction in the quality of the PDF.
#Free online pdf compression download for windows
PDF Compressor is a free program you can download for Windows XP/Vista/7/8 that lets you quickly and effectively reduce the size of one or many PDF files. In addition, you can remove bookmarks, remove PDF layers, remove annotations, remove page labels and manually adjust the quality for color and monochrome image compression. It has a bunch of options and some presets like high compression, low image quality or low compression, high image quality, etc.
#Free online pdf compression mac
Not too bad, however, on the Mac (Method 2), I was able to get that same PDF down to only 82 KB.Īnother online tool I use to compress PDF files is Neevia Compress PDF. It was able to take a 500 KB file and shrink it down to about 368 KB. What’s nice is that you can use it anywhere or any operating system and it even supports the new drag and drop feature of HTML 5, which is a nice convenience.
0 kommentar(er)
