Compress PDF

Compress PDF

Combine preset image downsampling/JPEG quality with content stream compression and deduplication. This is lossy for optimized images. Presets do not guarantee a target size; original returned if not smaller.

How processing works

Upload your file → website queues the job → your connected Local Processor handles it → the result comes back here for download.

Process your file

Choose the file and options below.

Upload the required PDF file. Maximum: 1 file(s).

How to use Compress PDF

  1. Upload your file. Select the PDF, document or image required by this tool.
  2. Choose the options. Set page ranges, quality, output mode or other available settings when needed.
  3. Process and download. Start the job and download the result after processing finishes.

About Compress PDF

Combine preset image downsampling/JPEG quality with content stream compression and deduplication. This is lossy for optimized images. Presets do not guarantee a target size; original returned if not smaller.

Related PDF Tools

Compress PDF to Target Size Try up to six image-quality/size candidates from the original. Target may be impossible; choose failure or an explicitly labeled best result. Open tool → Lossless PDF Compression Compress page content streams and deduplicate PDF objects without image resampling. If the rewrite is larger, retain original bytes. Size reduction is not guaranteed. Open tool → Compress PDF Images Lossy JPEG optimization of eligible opaque RGB/gray images. Native text/vector content remains. Masked/special images are kept; image quality may decrease. Original returned if the PDF is not smaller. Open tool → PDF to Word Choose full-page images for appearance, or editable native text with simplified layout. Not automatic editable table reconstruction. Open tool →

Compress PDF FAQ

Is this tool free to use?

Yes. This PDF utility is available in the Zosine PDF Tools section without an AI model requirement.

Will this tool change my original uploaded file?

No. Processing creates a separate output file. Review the result before replacing or sharing an important original document.