PDF Tools
PDF Optimize
Repack a PDF with object streams to shrink the file size.
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About this tool
Re-save a PDF with tighter object-stream packing to remove unused objects and reduce overhead. Best for PDFs with bloated metadata. For image-heavy PDFs use a dedicated desktop tool — browsers can't recompress JPEGs without quality loss.
Frequently asked questions
How much smaller will my PDF get?
It depends on the original. PDFs exported from Word or some online tools often shrink 20–50%. Image-heavy PDFs only see small savings because the images are already compressed inside the file.
Will my PDF still look the same?
Yes. We only repack the underlying objects — text, images, fonts, and links are preserved exactly.