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Compress PDF

Compress a PDF by optimizing its pages with a quality level you control.

PDF tool guide

Reduce the size of scanned and image-heavy PDF files

Toolyma rebuilds each PDF page as an optimized image and lets you choose the JPEG quality. Lower quality can reduce the output size, while higher quality keeps more visual detail.

The method is best suited to scans and image-heavy documents. Processing stays in your browser, and the current version supports PDFs of up to 30 pages.

How to use Compress PDF

  1. Choose a PDF.Select a document containing no more than 30 pages.
  2. Set image quality.Move the slider from stronger compression to higher visual quality.
  3. Compress the file.Each page is rendered and placed into a new optimized PDF.
  4. Review the download.Open the compressed PDF and check its size, clarity and page order.

Practical ways to use this tool

Send a smaller scan

Reduce the size of scanned paperwork before attaching it to a message.

Meet an upload limit

Create a lighter version for a portal with a maximum file size.

Archive image PDFs

Save storage space when searchable text is not required.

Share previews

Prepare a smaller reading copy while retaining the original document separately.

Privacy, quality and limitations

  • Text is flattened: selectable text, links and form fields become part of page images.
  • Maximum 30 pages: split a longer document first, then compress the required sections.
  • Results vary: a PDF that is already optimized may not become smaller.
  • Keep the original: check readability and retain the source PDF when text search or accessibility matters.

Frequently asked questions

Is PDF compression free?

Yes. The compressor is free and does not require an account.

Which quality should I choose?

Start around 70%. Reduce it for a smaller file or increase it when small text and fine details need more clarity.

Why is my compressed PDF not smaller?

The original may already be optimized, or the chosen image quality may produce a similar or larger result.

Can I compress a PDF with more than 30 pages?

Not in this version. Use Split PDF to create sections of up to 30 pages before compression.

Will the text remain selectable?

No. This method renders pages as images, so selectable text and interactive elements are flattened.