The larger images are what we want to optimize.Ĭhoose 'Faster' and we'll skip smaller images and only compress larger ones, saving time. A document with many images will take longer to compress.Ĭompressing smaller images has little effect over the overall document size. To use this option select 'grayscale' as 'image conversion'. Here's an example of a grayscale converted image:
#Compress pdf free pdf
Working in a scenario where higher image resolution is needed? Click 'More options', then select '144 ppi', '288 ppi' or '720 ppi' as the maximum image PPI resolution.įor lower PDF sizes, when having a lot of images, you can convert images to grayscale. Using the standard settings images are optimized to a '72 PPI' resolution. Under 'image quality' select 'Good' or 'Best'. But, if your need it you can configure a better quality for the optimized images (even if the PDF size will be larger). Images are optimized and saved with a JPEG image quality of 65%. This file size reducer works on three levels ('Low', 'Medium', 'High') that allows to reduce file size without quality loosing. The compression algorithm does the following: Compress is the easiest way to optimize files of various formats (PDF, DOC (Word 2003), DOCX (Word 2007), PPT (PowerPoint 2003), PPTX (PowerPoint 2007), XLS (Excel 2003), XLSX (Excel 2007), EPUB, IMAGE, JPG, PNG, BMP). Or, click on the 'More options' button for advanced settings. You can pick PDF files from Dropbox or Google Drive too.Įxpand the 'Upload' dropdown and select your files.Ĭlick the 'Compress' button and then 'Download' your compressed PDF. Same features as the online service, and the files never leave your computer.Ĭlick 'Upload' and select files from your local computer.ĭragging and dropping files to the page also works.
Rather not upload your files and work with them offline? After processing, they are permanently deleted.
#Compress pdf free how to
Please upgrade to continue processing this document.įree users are limited to 50 pages per conversion.įree users are limited to 5 files per Rename task.īelow we show how to shrink one or multiple PDF files to reduce their file size.įiles are safely uploaded over an encrypted connection. Please upgrade to continue processing up to 100 links at once.įree users are limited to 10 pages per OCR task. Please upgrade to continue processing multiple files at once.įree users are limited to 20 pages per conversion.įree users are limited to 20 links per task. You reached your free limit of 5MB per image file.įree users are limited to a single file per task. You reached your free limit of 50 MB per file. Please upgrade to continue processing this task or break for 00:59:00. You reached your free limit of 3 tasks per hour.
Click the Compress button and then Download your compressed PDF.
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