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Resize PDF Online

by Hung Nguyen

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Optimize and reduce the size of your PDF documents online, at no cost. Make your PDFs email-, submission-, and storage-friendly.

If by “resize a PDF” you mean to cut down its size, then you’ve come to the right place. Smallpdf offers the most popular online PDF compressor to reduce the size of your PDF without compromising its quality.

How to Resize a PDF Online for Free

  1. Go to the Compress PDF tool.

  2. Drag and drop your PDF into the toolbox.

  3. Choose the basic compression mode.

  4. The software will automatically shrink your file.

  5. Download your file—done!

2023-03-08 - Resize PDF Online

How to resize a PDF document using Smallpdf

Once you upload your file, the Smallpdf compress tool will detect and replace repetitive patterns within its data with smaller identifiers. This means the content should remain intact (fonts, page size, and colors) while the PDF becomes much, much smaller.

But Where Does the Original File Go?


Your file is uploaded to our servers, where we compress it. An hour after processing, we’ll ensure the file is permanently deleted from our servers. During this time, nobody else will have access to the file except for the sole user—you! Smallpdf wants to enable easy sharing and collaboration for your digital document needs. You can easily share your resized PDF via email or generate a shareable link directly on the result page.

Do More With the Resized PDF


If you think resizing and cutting a PDF file down to a fraction of its original size quickly is incredible, the fun doesn’t stop there. You can also resize PDFs on the go with the Smallpdf Mobile App! On our homepage, you’ll also find 20+ amazing PDF tools for you to convert, modify, and even sign your digital files.

That’s right—you can access every single tool for free. Once you hit your daily free-usage limit, you should check out Smallpdf Pro by signing up for a 7-day free trial. You can cancel anytime!

A subscription will give you unlimited access to the resize PDF tool and unlock many other perks. For example, instead of resizing one PDF at a time, you’ll be able to upload countless PDFs for resizing all at once, for up to 5GB. You’ll also get full access to our offline desktop app and our new and improved PDF editor, which lets you make changes, add annotations, or highlight sections on your PDF document.

2023-03-08 - Resize PDF Online - Offline

Resize your PDF files offline

Hung Nguyen
Hung Nguyen
Senior Growth Marketing Manager @Smallpdf