Compress PDF
Rebuild a PDF's internal object streams and see whether that structural change actually makes the file smaller. Images are not downsampled.
Compress PDF
Rebuild a PDF's internal object streams and see whether that structural change actually makes the file smaller. Images are not downsampled.
Drop, paste, or choose a file
Actual file signatures are checked before processing.
- Maximum file size
- 75.0 MB
Supported formats
Accepts PDF. Produces PDF. The recommended per-file limit for this tool is 75 MB.
How to compress a PDF structure
- Choose one unencrypted PDF.
- Review the detected file and page count.
- Run PDF optimization.
- Download the optimized copy when the measured reduction is meaningful, or keep the unchanged original.
What this PDF compression changes
The local PDF engine loads the document and saves compact object streams. It does not rasterize pages, downsample embedded images, or promise a particular reduction.
What this tool cannot compress
- Image-heavy PDFs may not become much smaller.
- Encrypted or malformed PDFs are rejected.
- The tool does not downsample or recompress embedded images.
When structural PDF compression helps
- Optimize a structurally inefficient PDF.
- Rebuild a document before an upload.
- Check whether object-stream savings help a file.
Privacy
This tool processes supported files in your browser. File contents are not uploaded by this dedicated workflow.
PDF compression questions
Will Compress PDF make every file smaller?
No. Savings depend on object structure. Image-heavy and already optimized PDFs may not shrink because embedded images are not recompressed.
Does FileFruit reduce the quality of images in the PDF?
No. This tool does not downsample or recompress embedded images; it only rebuilds supported PDF object streams.