If you are a Mac user and you have problems, converting PDF files to best suit your system, all you need is a PDF editor application like PDFelement Pro PDFelement Pro. Not just does it pack PDF records legitimately, yet additionally you can change over PDF documents to Word Doc organization to make PDF smaller, and erase pointless pictures, content, watermark, and even pages to make PDF. Add audio to a video online for free, add music to a mp4 video. 100% free service to add audio or music (mp3) to a video file online. Open a PDF in Acrobat DC. Open the Optimize PDF tool to compress a PDF document. Choose Tools Optimize PDF or click on the tool from the right hand panel. Select Reduce File Size in the top menu. Set compatibility of Acrobat version and click OK. Default will be to the existing version. This article was co-authored by our trained team of editors and researchers who validated it for accuracy and comprehensiveness. wikiHow's Content Management Team carefully monitors the work from our editorial staff to ensure that each article meets our high standards. The wikiHow Tech Team also followed the article's instructions and validated that they work. Portable Document Format (PDF) files are regularly shared with others via email. Therefore, controlling the file size of PDF documents is important to ensure your recipients will be able to receive and view your documents. PDFs can get pretty big, especially if you’re adding lots of images and objects. If you’ve created a PDF that’s too big—maybe you’re trying to email it or maybe it just takes too long to load—here’s how you compress your PDF to a smaller size. Compress PDF files with ease using Soda PDF's FREE online tool. Reduce the size of your PDF file without affecting the quality of your document. No file size limits, no ad watermarks - just a free, beautiful and simple online pdf compressor to reduce the size of your PDFs and maintain good quality. You can easily reduce the file size of your PDF and make it smaller with this online tool. Furthermore, the Online PDF Converter offers many more features. Just select the files, which you want to merge, edit, unlock or convert.