PDF tool · browser-only
Compress PDF locally.
Repack a PDF in your browser and download a new copy without uploading the document.
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Compress a PDF online
Choose a PDF to repack with object streams. The output size depends on how the source PDF was created, especially when it contains images.
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Compress PDF files online
This browser-based PDF compressor repacks the document and can reduce overhead in some PDFs. It does not re-encode embedded photos, so image-heavy files may not become smaller.
Why process a PDF locally?
PDFs can contain private forms, invoices, schoolwork, or work documents. A local workflow lets you try a quick optimization without uploading the source.
Will every PDF get smaller?
No. PDF compression results vary by source. The tool reports the before-and-after size so you can keep whichever copy is more useful.