ToolMinkReduce PDF file size
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Reduces the size of images inside the PDF while keeping text and links. Already optimized PDFs may not get smaller.
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The images are recompressed at the standard setting — quality 70 — and anything longer than 2000 pixels on its long edge is scaled down. Everything happens on your device; nothing is uploaded.
If it could not be made smaller, you get your original file back unchanged.
Drop your PDF and click Compress. The images inside it are recompressed on your device, and the smaller file downloads straight away. There is no setting to choose — the tool uses one standard setting.
Yes — free, no signup, no watermark, no daily limit.
No. Everything runs on your device, including the image recompression. Open developer tools, watch the Network tab, and compress a file: you will see the tool’s own code and WebAssembly load, but no upload of your PDF.
We can’t promise a target size, and we won’t pretend otherwise. This tool recompresses the images inside your PDF, and scales down images that are far larger than a page needs, which is where most of the size usually is. What it cannot do is reach a size the images cannot support — and some PDFs, especially scans stored with a different compression method, may not shrink at all. When that happens you get your original file back unchanged rather than a worse one.
Yes. Text, links and vector graphics are not touched at all — the recompression applies only to the images, so text stays text and stays searchable.
The text and the layout are unchanged, but the images are recompressed, so they can lose a little fine detail, and large images may be scaled down. That is the trade-off that makes the file smaller, and we would rather state it than hide it.
It depends on the source, and we don’t publish a single percentage. What we can promise is the direction: the tool never hands you a bigger file — if it cannot shrink yours, you get the original back unchanged.
No. A password-protected PDF cannot be read without its password, so its images cannot be recompressed. Remove the password first.
No limit we impose, because nothing is uploaded and there is no queue. The practical ceiling is your device’s memory — very large scanned PDFs take longer and use more of it.
No account, no email, and no watermark. What you get back is your own document at a smaller size, with the images recompressed.
Here is what each format is for, and when converting a PDF to a smaller size is the right move.
What is PDF?
PDF (Portable Document Format) keeps a document’s layout identical on every device. It is the standard for contracts, invoices, reports and scanned paperwork — and it is often far larger than it needs to be, because the images inside may be stored at full camera resolution with little compression.
What is Compressed PDF?
A compressed PDF is the same document with smaller images: the text, links and vector graphics are untouched, while the photographs are recompressed and, if they are far larger than a page needs, scaled down. It opens in the same readers, shows the same pages, and is easier to email and upload.
When you need it
Compress a PDF whenever a file is too large to email or upload, before you attach it to a form, or when a batch of photo-heavy reports is filling your storage. It only helps PDFs that are heavy with images: a PDF that is mostly text or vector art may barely shrink, because there is almost nothing in it to recompress.