Compress PDF files by up to 90% in seconds. This PDF compressor works right in your browser — your documents are never uploaded, so it is fast, private and completely free.
Pages are optimised as images. Great for scans and photo-heavy PDFs; if a file can’t get smaller we keep your original.
🔒 Your PDFs stay on your device. Nothing is uploaded to any server.
Drag and drop or browse for your PDF files. You can compress up to 10 PDFs at once.
Keep Recommended for the best balance, or pick Strong or Extreme when you need the smallest possible file.
Save each compressed PDF or grab them all in one ZIP. No watermark, no account, no limits.
Compression happens inside your browser. Contracts, invoices and ID scans never leave your device.
No waiting on uploads or server queues. Most PDFs are ready in seconds using your own device.
From print-ready High quality to Extreme for the tiniest file, plus automatic protection if a file can’t get smaller.
Get PDFs under email and online-form limits such as 1 MB, 2 MB or 5 MB without special software.
Use it on your phone, tablet or computer. Nothing to install and nothing to sign up for.
No watermark, no daily limit and no account. Compress as many PDFs as you need, whenever you need.
| Level | Best for | What to expect |
|---|---|---|
| High quality | Documents you will print | Sharp pages with a moderate size reduction. |
| Recommended | Most PDFs, sharing and archiving | Clear on screen with a big size reduction. |
| Strong | Email attachments and online forms | Readable pages and much smaller files. |
| Extreme | Strict upload limits, quick previews | Smallest files, softer fine detail. |
Large PDFs slow down downloads, fill up inboxes and get rejected by upload forms. If you publish brochures, price lists, catalogues or reports on your website, heavy PDF files also waste bandwidth and frustrate visitors on mobile data. A reliable PDF compressor keeps those files light, so they open quickly for everyone.
Compress a PDF before you attach it to an email, submit it with an application, or upload it to WordPress, WooCommerce or your document portal. For web downloads, aim for the smallest file that still reads clearly. Combine this tool with our free image compressor to keep every file on your site fast.
A PDF compressor reduces the file size of a PDF document so it is easier to email, upload and store. This one optimises each page in your browser and gives you a smaller PDF to download.
Yes. It is completely free, with no sign-up, no watermark and no daily limit.
No. Your PDF is compressed locally in your browser and never leaves your device. That keeps contracts, invoices, IDs and other private documents confidential.
It depends on the content. Scanned documents and PDFs full of photos often shrink by 70–90%. PDFs that are mostly text may shrink less, and if the result is not smaller we keep your original file.
Each page is re-saved as an optimised image, so very small text can look slightly softer on Strong and Extreme and the text will no longer be selectable or searchable. Use High quality or Recommended for documents you will print, and keep your original if you need to copy text from it.
Start with Recommended. If the file is still too big, choose Strong or Extreme. Most scans of 10–20 pages drop below 1 MB on Strong.
Yes. Add up to 10 PDFs, then download each one or all together in a single ZIP.
You can compress PDFs up to 100 MB and 400 pages. Very large files depend on your device memory, so close other tabs if a big file is slow.
Not directly. Remove the password in your PDF viewer first, then compress the file here.
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