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Preparing your browser based PDF tools.
Rewrite a PDF so it is smaller, or so it opens quickly on the web. Your pages and images are untouched.
Drag & drop your file here
or browse from your device
This tool reworks how a PDF is written. It packs the internal objects together, throws out the parts that nothing points to any more, and recompresses the streams. Your pages, text, and images are untouched.
Not the same as Compress PDF. Compress works on the images inside your document. This works on the file around them. For a photo heavy document, compress it. For a file that has been edited many times, or one that is going on a website, optimize it.
You have to pick one, because they genuinely conflict. It is worth knowing why.
Objects are packed together into compressed streams, which is where nearly all the saving comes from. The catch is that a reader has to unpack the whole thing before it can show anything, so the file has to download in full first.
Right for email, uploads, and storage.
Everything needed for page one is moved to the very start of the file, so a browser shows it while the rest is still arriving. That rules out the packing above, which is why the file stays about the same size.
Right for any PDF you put on a website.
Drag the file onto the upload area, or browse from your device.
Smallest file, or fast on the web. You can also clear the metadata while you are here.
The file is rewritten on your own device, with nothing uploaded to a server.
See exactly how much was saved and what was done. Your original file is left untouched.
A document that has been edited and saved many times can shrink by half or more, because every round of editing leaves behind parts that nothing points to any more. Deleted pages, replaced images, and fonts you stopped using all sit there quietly taking up space.
A PDF that was exported once and never touched again has very little to remove, and you may see almost no change. That is a good sign rather than a failure, and the tool says so plainly instead of pretending otherwise.
Compress PDF works on the images inside your document, making them smaller and lighter. This tool does not touch your images at all. It reworks how the file itself is written: packing objects together, throwing out parts that nothing points to any more, and recompressing the internal streams. Use Compress for a photo heavy document, and this one for a file that has been edited many times or is going on a website.
It rearranges the file so everything needed for the first page sits at the very start. A browser can then show page one while the rest is still downloading, instead of waiting for the whole file. Adobe calls this Fast Web View. It is worth doing for any PDF you put on a website.
Because the two goals pull against each other. Packing objects into compressed streams is what saves the most space, but a browser cannot read the first page out of them without the whole file. The web option gives that up in exchange for showing page one straight away, so the file stays roughly the same size.
No. Nothing is re-rendered or re-encoded. Text stays selectable, images keep their original quality, and every page is exactly as it was. Only the way the file is packed changes.
No. It usually means the PDF was already written efficiently. The biggest savings come from files that have been edited and saved many times, because each round leaves parts behind that nothing points to any more. A freshly exported PDF has little to remove.
Only objects that nothing in the document refers to any more, such as pages you deleted or fonts you stopped using. Metadata is left alone unless you tick the box for it.
No. Everything runs inside your browser on your own device. Your file is never sent anywhere, and nothing is stored.
Yes. It is completely free with no sign-up and no limits.
Continue working with your images and PDF files using these free browser based tools.