Compress PDF
Shrink a PDF's file size right in your browser — especially effective for scanned and image-heavy PDFs, with no upload.
Drag & drop a PDF, or click
.pdf · No server upload
Pages are re-rendered as images and compressed — best for scanned or image-heavy PDFs. Note: text becomes an image, so it will no longer be selectable or searchable.
🔒 Compression runs only in your browser — your PDF is never uploaded.
How it works
Each page of your PDF is re-rendered at a chosen resolution and re-encoded as JPEG, then rebuilt into a new PDF. Scanned documents and image- or graphic-heavy PDFs shrink the most. Pick a compression level (strong, normal, light) to balance size and quality, check the percentage saved versus the original, and download.
When to use it — and the trade-off
It's ideal for hitting email or upload size limits, or when a scanned contract is too large. The trade-off is that pages become images, so text is no longer selectable or searchable — keep the original if you need to edit the text. Already-optimized text PDFs may not shrink much, in which case keeping the original is best.
Private by design
Compression runs entirely on your device, so files are never uploaded and it works offline — safe for sensitive contracts and documents.
Frequently asked questions
How much smaller does the PDF get?
Scanned or image-heavy PDFs can drop by half or more depending on the level, since each page is re-encoded as JPEG. Text-only PDFs that are already optimized may barely change — keep the original in that case.
Can I still copy or search the text after compressing?
No. This method re-renders pages as images to reduce size, so text becomes an image and is no longer selectable or searchable. It's best for scanned documents where size matters most.
Is my file uploaded to a server?
No. Compression happens only in your browser — nothing is uploaded, and it works offline.