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Upload the PDF you want to shrink.
PDF TOOLS · FREE ONLINE TOOL
PDF Compressor
Shrink PDF file size without losing contentBloated PDFs cause real friction: emails that bounce, upload forms with size caps, slow downloads on mobile data. This compressor rewrites your PDF with optimized internal structure, showing honest before-and-after numbers, with quality untouched.
// PDF COMPRESSOR · GET STARTED
Use PDF Compressor
Shrink PDF file size without losing content
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The file is rewritten with optimized internal structure in your browser. Page content, text and images are never re-rendered, so quality stays identical. Nothing is uploaded.
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How to use the PDF Compressor
Compress
Click "Compress PDF".
Download
Check the size saving and download the smaller file.
// PDF COMPRESSOR · ABOUT THIS TOOL
About the PDF Compressor
Email attachments bounce, upload forms reject, and sharing gets slow when PDFs are bloated. This compressor rewrites your PDF with an optimized internal structure and shows the real before-and-after numbers up front, in plain kilobytes.
It will not pretend: if your file is already lean, it says so instead of faking a saving. Pages are never re-rendered, so text stays selectable and images stay sharp.
Where it helps most
Deadline moments when a file must fit under a size limit.
Job applications
Squeeze a portfolio under a job portal's strict file limit without degrading images or making any text blurry in the process.
Emailing scanned reports
Slim a scanned contract or report so it clears the typical 25 MB attachment cap that email providers enforce on outgoing mail.
Strict upload forms
Trim files to meet demanding 5 or 10 MB limits on government sites and job portals that reject oversized uploads outright.
Faster ebooks
Trim an ebook's weight so it loads fast on every device, including phones on slow mobile connections, without waiting on heavy downloads.
Getting honest results
What to expect from compression.
No re-rendering
Pages are restructured, never re-rendered, so text stays selectable and images keep their original sharpness throughout.
Already-lean files
If your file is already optimized, the tool says so honestly instead of faking a saving percentage.
Biggest savings
Scans saved without optimization, exports with bloated metadata, and documents carrying duplicate embedded objects shrink the most of all file types.
PDF Compressor: private by design
The file never leaves your browser, so there is no upload queue and no server copy of your document.
PDF Compressor FAQs
Upload the PDF and click compress. The tool rewrites the file with optimized structure and shows the exact before and after sizes, with content quality untouched.
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