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: 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'. How to hyper-compress a PDF online: To start, drop your file (more than 100 formats are supported) or upload it from your device or your cloud storage service. 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%. The compression algorithm does the following: 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. 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. You dont need to install any software, you only have to select your files and start the compression. 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. PDF24 makes it as easy and fast as possible for you to compress your files. 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. Choose Files From Device From Dropbox From Google Drive From Url Max file size 1GB. You reached your free limit of 3 tasks per hour. Compress PDF Reduce PDF file size online for free. Please upgrade to continue processing this task. You reached your free limit of 30 files per hour. You can also compress PDFs on your Mac just as easily as you do on your iPhone & iPad.Īside from helping you compress PDFs on iPhone and iPad, PDF Expert can do almost anything with PDF files.Too many requests, please try again later. You've also saved some memory on your device and got more space for other important things. Now, you can easily share the compressed PDF file with your colleagues or professor. PDF Expert has now compressed the current file.Choose the document quality and tap Reduce.Here's how to compress a PDF on iPhone and iPad: You can also pick the desired quality and see the size of the future file. This fast and easy-to-use app allows you to reduce the PDF file size on your iPhone and iPad in just two taps. If you need to compress PDF on your iPhone, our PDF Expert is here to save you.
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