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Compress PDF
Use ONEPDF's PDF compressor to reduce file size online
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How to Minimize PDF Size in 3 Steps
Upload
Choose or drag & drop the PDF file from your device into the compression box.
Compress PDF
Select your preferred compression level for our PDF size reducer to compress the file size.
Save
Click on Download to save the reduced-size version of your PDF on your device.Decrease PDF Size with Reliable Compressor
Reduce the PDF File Size by Up to 99%
ONEPDF allows you to extremely compress PDF files, making sure that the size is reduced to be shared and stored conveniently. You can slim down large PDFs by up to 99% to relieve your device's storage space.
Extremely Compress PDF Without Losing Quality
Just in one click, shrink the size of large PDFs for free while still keeping the maximum PDF clarity. Our PDF size reducer without losing quality re-encodes the contents of your PDF to produce a high quality, yet lighter PDF file.
Flexible PDF Size Reducer with Options
ONEPDF offers 3-option compression levels so that you can adjust the PDF quality you want.
• Extreme Compression: Smallest file size with good quality.
• Recommended Compression: Medium file size with high quality.
• Light Compression: Slightly reduced file size, but best quality.
Why Choose ONEPDF
Compress in a Flash
ONEPDF uses an advanced processing system that allows you to compress PDFs online freely within a few seconds. You can even reduce PDF documents in batches to save time and effort.
High-Tech Encryption
Our PDF reducer is built with 256-bit SSL encryption to guarantee the security of your data. After the compression, your files will be automatically deleted from our server to ensure there's no risk of leakage.
Compress on All Devices
This great PDF file compressor also supports various operating systems, including Windows and Mac. You are free to compress as many PDFs as you want without compromising on their quality.
AI-Powered Compression
Minimize PDF size using AI algorithms and OCR, which replicates the exact contents of your PDF file in the compressed version. You can rest assured that all the characters of your PDF will be maintained.
Easy to Use
ONEPDF's goal is to help you compress PDF file size without stress. Our PDF reducer has a user-friendly interface that allows both computer beginners and professionals to seamlessly compress PDF files.
No Installation Needed
ONEPDF is web-based. You can decrease PDF size even when you are on the go. All you need is a stable internet connection to ensure the compression process is smooth.
ONEPDF Tools to Manage Your Files
Our PDF online free tool is a one-stop shop for all your document needs. It enables various functions required for the management and modification of your files.
Learn More About Compressing PDF Files
How to compress PDFs on a Mac to reduce file size?
- ONEPDF is a universal PDF size reducer. It works for several devices and operating systems, using the same process. This includes Mac.
- To compress PDFs on Mac, follow these steps:
- • Open onepdf.tinyfrom.com on your Mac browser.
- • Click on the Compress PDF tab.
- • Upload the PDF file you want to compress.
- • Automatically, ONEPDF begins to reduce the file size.
- • Click on Download to save the resulting PDF file on your device.
Why is my PDF file so large?
- Your PDF file can be large for several reasons. Among them are:
- • High-Resolution Images: Extremely high-quality images can increase your PDF file size. For example, a 200 DPI (dots per inch) image is much larger than a 72 DPI image.
- • Complex Graphics: Vector graphics and detailed designs like charts and CAD drawings are displayed as mathematical descriptions, which consume significant space.
- • Scanned Documents: PDF files created from scanned documents are often in large sizes because each scanned page is saved in high resolution.
- • Extra Elements: Including extra elements like annotations, comments, and auto information in a PDF file increases the size.
How to compress a PDF without Adobe?
- While Adobe is a good tool that can be used to minimize PDF size, it is less efficient. Hence, why you need a reliable compressor like ONEPDF.
- ONEPDF is a professional PDF size reducer designed with advanced systems to handle every complexity associated with compressing PDFs. Simply upload the PDF file in the conversion box and watch as it reduces in size within seconds.
How to make a PDF smaller to email?
- There are 3 compression levels in ONEPDF (Extreme Compression, Recommended Compression, and Light Compression), allowing you to choose your preferred PDF file size. After uploading your PDF, you can choose the compression level you want. For email, we recommend you choose Extreme Compression as it offers the smallest file size.
How to compress PDF file size without losing quality?
- The best way to compress PDF files and retain their quality is to use ONEPDF. This PDF compressor is built with AI technologies that keep the quality of your PDF file even if you reduce the size to be very small. ONEPDF shrinks the large PDF file but maintains its layout, characters, elements, fonts, etc.