Our Compress PDF tool was made for compressing large PDFs online for free. Whether you need to shrink files for easier emailing, sharing, or storage, you’ll be ready to go within seconds.
Quick, professional results you can trust—every time. Choose from two compression levels to adapt your file size without ever compromising on document quality.
We take your file, remove repetitive patterns, re-encode heavy images, and voilà—the result is a high-quality, but much lighter PDF. Done in a flash, so you can get work done even faster.
Collaboration is essential for teamwork and getting things done. Once you reduce the size of your PDF, it’s super simple to share it with your team or a client. Just use our share feature to generate a quick download link.
Nothing to install, no training required. Get started immediately with the simplest tool to compress your files.
We’re cloud-based, so you can reduce your file size online via any browser and on any device, from desktop to tablet and mobile.
Compress more than just PDFs. Use the tool to reduce other file types, such as Word, PPT, Excel, JPG, PNG, GIF, and TIFF.
Smallpdf is GDPR compliant, which means we’re transparent about how we store, collect, and process your personal data.
We’re ISO/IEC 27001 certified, so we’re audited annually to ensure the safety, security, and integrity of your information.
We keep your documents secure, even while you’re working on them, with state-of-the-art TLS encryption technology.
Get unlimited access to Smallpdf to compress documents quickly. Includes 20 other document tools for getting work done—your way.
Yes! All of our tools, including our tool to compress files, are free to use with certain limitations. You’re also not limited to only compressing PDFs; you can reduce the file size of other document types, like MS Office files, JPG, PNG, GIF, and TIFF. Simply drop your files into the tool to get started.
Absolutely. We offer both Business and Team plans that give you and your team or business unlimited access to all our Pro features and more. You’ll also enjoy some added extras, such as flexible payment options and priority customer support. Feel free to contact our sales team for a custom quote.
No, you don’t need a Smallpdf Pro subscription to compress your documents. That said, a Pro subscription will give you unlimited access to our compression tool, plus all our other tools, so you can convert, e-sign, merge, and split documents, and more—with zero limitations.
At Smallpdf, we’re committed to safety and security. We’re GDPR compliant, undergo annual audits to earn our ISO/IEC certification, and carry advanced TLS encryption, which means that your data, personal information, and documents are safe with us. What’s more, each time you perform a task, like compressing a file, this entire process is fully encrypted for full-scale security.
HOW TO COMPRESS PDF
The best free online tool to compress large PDFs while maintaining file format and quality. No registration needed.
HOW TO COMPRESS PDF
Need to shrink a PDF file down to less than 1 MB for online submission? Let Smallpdf help you!