![]() To compress text and line art in a PDF fileĮnable the Compress text and line art check box.Įnable any of the following check boxes, and type a value in the corresponding box:ĭownsampling color, grayscale, or monochrome bitmap images is effective only when the resolution of the bitmap image is higher than the resolution specified in the Downsampling area. If you choose JPEG compression, you can specify the compression quality by moving the JPEG quality slider. The JP2 (JPEG 2000) option is available only for Adobe Acrobat 6.0, Adobe Acrobat 8.0, and Adobe Acrobat 9.0 Locate the folder in which you want to save the file.Ĭhoose one of the following from the Compression type list box: To set the bitmap compression in a PDF file Most PDF viewers don’t show such objects but information about them is stored in the PDF file, increasing its file size. You can also reduce the size of a PDF file by downsampling color, grayscale, or monochrome bitmap images.Īnother way to reduce the file size of a PDF file is by excluding objects that don’t reside on the drawing page. The higher the image quality, the larger the file size. Bitmap images that use JPEG compression have a quality scale ranging from 100% (high quality, less compression) to 1% (lower quality, more compression). Options for bitmap image compression include JPEG, LZW, and ZIP. You can compress bitmap images, text, and line art to reduce the size of a PDF file. To exclude objects that are outside the drawing page from a PDF file To downsample bitmap images in a PDF file To compress text and line art in a PDF file Selecting a region changes the language and/or content on set the bitmap compression in a PDF file The optimized document looks like the original PDF but doesn’t contain any layer information. This does not affect the functionality of the PDF, but it does decrease the file size.ĭiscard Hidden Layer Content And Flatten Visible Layersĭecreases file size. Strips information from a PDF document that is useful only to the application that created the document. Links that jump to other locations within the PDF are not removed.ĭiscard Private Data Of Other Applications ( PDF Optimizer doesn’t optimize attached files.) Removes all file attachments, including attachments added to the PDF as comments. (Use the Save As command to restore metadata streams to a copy of the PDF.) Removes information in the document information dictionary and all metadata streams. Removes all comments, forms, form fields, and multimedia from the PDF.ĭiscard Document Information And Metadata You can locate hidden text and user-related information by using the Examine Documentcommand ( Tools > Redact > Sanitize Document, and then choose to Remove Hidden Information).ĭiscard All Comments, Forms And Multimedia If you’re unable to find personal information, it may be hidden. Use the Discard User Data panel to remove any personal information that you don’t want to distribute or share with others. ![]() Additional checks in the Preflight tool.Analyzing documents with the Preflight tool.Automating document analysis with droplets or preflight actions. ![]() Correcting problem areas with the Preflight tool.Viewing preflight results, objects, and resources.PDF/X-, PDF/A-, and PDF/E-compliant files.Playing video, audio, and multimedia formats in PDFs.Add audio, video, and interactive objects to PDFs.Edit document structure with the Content and Tags panels.Reading PDFs with reflow and accessibility features.Capture your signature on mobile and use it everywhere.Overview of security in Acrobat and PDFs.Securing PDFs with Adobe Experience Manager.Convert or export PDFs to other file formats.Hosting shared reviews on SharePoint or Office 365 sites.Working with component files in a PDF Portfolio.Add headers, footers, and Bates numbering to PDFs.Send PDF forms to recipients using email or an internal server.Troubleshoot scanner issues when scanning using Acrobat.Change the default font for adding text.Enhance document photos captured using a mobile camera.Rotate, move, delete, and renumber PDF pages.Asian, Cyrillic, and right-to-left text in PDFs.Grids, guides, and measurements in PDFs.Access Acrobat from desktop, mobile, web.
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