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Compress PDF online

Create a smaller raster PDF for email or upload. Choose quality and resolution, then compare original and output file sizes.

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Compress PDF online: what this tool does

Create a smaller raster PDF for email or upload. Choose quality and resolution, then compare original and output file sizes.

Common use

Reduce upload size when a scanned document is too large.

How to use

  1. Choose a supported file or paste your content.
  2. Adjust the available settings and create the output.
  3. Download the result and inspect it before relying on the content.

Important limitation

This tool rasterizes pages. Text selection, interactive fields, signatures, links and accessibility structure will not survive. Some PDFs become larger.

FAQ

Does compression always make files smaller?

No. Review the actual result size before downloading.

Related tools

Merge PDF · PDF to Text · PDF Validator

How to use Compress PDF online

Reduce PDF file size when a document is too large for email, forms, portals, or everyday storage. The compressor is intended for practical size reduction while keeping the result readable, but the amount of reduction depends on the images, fonts, scans, and other content already inside the PDF.

Step-by-step

  1. Choose the PDF that is too large.
  2. Select the available compression level or settings appropriate for your use case.
  3. Run compression and compare the new file size with the original.
  4. Open the smaller PDF and check text, images, and important pages before sharing it.

When Compress PDF is useful

  • Prepare a PDF for email or messaging size limits
  • Reduce storage used by image-heavy or scanned PDFs
  • Create a lighter copy for web uploads or application portals

Tips for better results

Compression is not identical for every PDF. Image-heavy scans often shrink more than already-optimized text PDFs. Keep the original file until you have checked the compressed copy at normal zoom and on the pages that matter most.

Compress PDF FAQ

What does the Compress PDF tool do?

Reduce PDF file size when a document is too large for email, forms, portals, or everyday storage. The compressor is intended for practical size reduction while keeping the result readable, but the amount of reduction depends on the images, fonts, scans, and other content already inside the PDF.

How much smaller will my PDF become?

There is no fixed percentage. The result depends on what is already inside the PDF. Image-heavy or unoptimized files often have more room to shrink than PDFs that are already compressed.

Do I need to install desktop software?

The public URL-CUT interface is designed to run from a modern web browser. Processing location can vary by tool; some operations may run locally while integrated services can process data remotely.

Related PDF tools

File handling: processing methods vary by tool. Some operations can run in your browser, while tools that integrate external services may send data for processing. Review the tool behavior and Privacy Policy before using confidential documents.