Compress PDF

Reduce file size while optimizing for maximal PDF quality.

Drop PDF files here to start compressing

With this PDF compression tool, you can easily reduce the size of PDF files online. Simply select the PDF files you want to compress, and the tool will automatically reduce their size, displaying a download button for the compressed files.

This tool allows you to effortlessly compress PDF files and adjust their size as needed. After selecting the PDFs, the tool will automatically process and compress them, showing the new file sizes and offering a download button. You can also choose to download all compressed files in a ZIP archive. Additionally, you can manually set the desired PDF file size and apply changes to see the updated sizes. The tool also lets you add or remove files as needed. Use this free online PDF compressor to efficiently reduce PDF file sizes.

How to compress PDF?

  1. First of all, select PDF on the best compress PDF online tool.
  2. See, preview of selected PDF on the PDF compressor.
  3. Simply, compress PDF online using slider.
  4. Also, you can add or remove PDF from the tool.
  5. Finally, download compressed PDF from compress PDF tool.

Frequently Asked Questions

How to compress PDF file size online?

You can efficiently compress PDF file sizes without sacrificing quality using the smallpdf.io PDF compressor. This convenient tool ensures high-quality compression.


What are the steps to compress PDF file size?
  • Select or drag and drop the PDF file into the tool.
  • Preview the selected PDF files.
  • Adjust the PDF size using the slider to compress it.
  • Download the compressed PDF file.

Is it possible to compress PDF without losing quality?

Absolutely, you can compress the size of a PDF file without losing quality using the PDF compressor at smallpdf.io. This tool enables you to reduce the file size while preserving the original quality of the PDF.


Can I compress PDF file from MB to KB?

Certainly, you can reduce a PDF file from MB to KB size. Use the slider within the tool to adjust and achieve the desired file size for your PDF.


Is it possible to compress multiple PDF files at once?

Yes, you can compress multiple PDF files simultaneously using the Smallpdf PDF compressor. Simply select and upload all the files at once, and the tool will compress each one, saving you time and effort.


How long will it take to compress PDF file size?

Compressing your PDF file size takes only a few seconds, even if the file is large. The process is quick and efficiently provides the desired output.


Can I compress a password protected PDF file?

This compressor tool supports password-protected PDFs. You’ll need to enter the password to unlock and compress the file.


How do I know if my compressed PDF is of good enough quality for printing or professional use?

To ensure the quality meets your requirements, review the compressed PDF carefully. If needed, adjust the compression settings to achieve the desired result.


How long will my uploaded files be stored on the server?

Your uploaded files will be stored on our server for 2 hours. After this period, they will be automatically and permanently deleted.


Are my files safe with smallpdf.io?

Yes, all uploads use HTTPS/SSL and include end-to-end encryption to ensure privacy. At smallpdf.io, your files are protected with robust security measures, including encryption protocols and strict access controls. For more detailed information on our security practices, please refer to our Privacy and Security Policy.