Free PDF app — organise, edit and sign
A workspace for the documents you keep coming back to. Build a library, open any file to edit or sign it, compress the ones that are too big to send, and share a signing link when someone else has to put their name on it. Everything runs in your browser, so nothing is uploaded.
- Your library stays on your device
- No signup, no account
- No watermark on the output
- Free with no document limit
A library, not just a converter
Most free PDF sites are one-shot: upload, do the one thing, download, and the file is gone. That works when you have a single job. It stops working the moment a document has a life — a contract that gets amended twice before anyone signs it, a tenancy application you are assembling from four separate scans, a set of invoices you are tidying at the end of the month.
This app keeps those documents in a library on your device so you can come back to them. Open one, make a change, close it, and it is still there tomorrow in the state you left it — without an account, and without a copy sitting on anyone else’s server.
Editing. Add text boxes and stamp images anywhere on a page, then burn them in on export so the change is part of the document rather than a floating annotation another reader might display differently or hide.
Signing, including by other people. Stamp your own signature, or generate a link and send it to whoever needs to sign. They open it in their browser, sign, and send it back — nothing to install, no account to create.
Housekeeping. Compress files that are too large to email, reorder and rotate pages that came out of the scanner wrong, and delete the blank sheets that always appear in the middle of a double-sided scan.
Where your files actually live
Worth being precise, because “private” is a word every PDF site uses. Your documents are held in your browser’s local storage on the device you are using. They are not uploaded, not synced, and not readable by anyone else — including me.
The trade-off is real and you should know it up front: the library is tied to that browser on that machine. It will not follow you to your phone, and clearing your browser data will remove it. Treat it as a working area, and export anything you need to keep into your own filing system.
For a document with a client’s bank details or an employment agreement, that trade-off is usually the right way round. A server-side tool gives you sync at the cost of handing over a copy.
Do you need the whole workspace?
Often not, and it is faster if you don’t. For a single edit with nothing kept afterwards, the PDF editor is the same editing engine with less around it. For one specific operation, the single-purpose tools are quicker still: merge, split, compress, rotate, page numbers and OCR.
PDF app — FAQ
Where are my documents stored?
In your own browser, on your own device, using its local storage. There is no account and no server copy — which also means the library is specific to that browser on that machine. Open the app on your phone and you will see an empty library, not the documents you added on your laptop.
What is the difference between this and the PDF editor?
The editor is the quick path: open one file, change it, export, done, nothing kept. The app wraps that same editor in a workspace that remembers your documents between visits, so you can come back to a half-finished contract tomorrow. If you only ever touch one file at a time, the editor is less to think about.
Will I lose my library if I clear my browser data?
Yes. Clearing site data, using private browsing, or a browser that aggressively evicts storage will remove it. Treat the library as a working area rather than an archive — export anything you need to keep to your own filing system.
Can someone else sign a document I put here?
Yes. Generate a send-to-sign link and share it. They open it in their browser, add their signature and return it, with nothing to install and no account to create. That single step is usually what decides whether a contract comes back the same day.
Is there a size or page limit?
No imposed limit. The practical ceiling is your device's memory, because all the processing happens locally. Very large scanned documents — hundreds of image-heavy pages — will be slower on a phone than on a laptop, and that is the honest constraint of doing the work client-side rather than on a server farm.
Does it work offline?
Once the page has loaded, yes. There is no round trip to a server for editing, so you can disconnect and keep working. You only need the network to load the app in the first place and to share a signing link.
Is it really free?
Yes — no signup, no document limit, no watermark, no paid tier holding back the useful features. The site is funded by ads and by people who occasionally hire me for marketing work.