How local processing works
Traditional PDF websites upload your file to their servers, process it there, then send the result back — which means your document (it could be a contract, an ID, or a bank statement) travels through another company's machines and is stored there temporarily.
Doctor PDF works completely differently. Using modern browser technology (JavaScript and WebAssembly), every operation — merging, compressing, signing, encrypting, OCR and more — runs directly inside your browser. Your file is never sent anywhere and never touches a server. You can even disconnect from the internet after the page loads, and the tool keeps working.
Privacy comparison with competitors
| Criterion | Doctor PDF | iLovePDF | Smallpdf | Sejda |
|---|---|---|---|---|
| Uploads files to a server | Never ❌ | Uploads | Uploads | Uploads |
| Where processing happens | Your browser | Their servers | Their servers | Their servers |
| File storage | Never stored | Deleted after 2h | Deleted after 1h | Deleted after 2h |
| Arabic (RTL) support | Full ✅ | Limited | Partial | Partial |
| Usage limits | None ✅ | Daily limits | 2 tasks/day | 3 tasks/hour |
| Ads | None ✅ | Yes | — | — |
| Works offline | Yes ✅ | No | No | No |
| Price | Completely free | Free/paid | Mostly paid | Mostly paid |
Why privacy matters in PDF tools
The files we handle every day are often our most sensitive documents: employment contracts, bank statements, ID and passport scans, medical reports, and legal paperwork. When you upload these files to a third-party server, you are trusting that company to protect them and never misuse them or get breached.
With Doctor PDF, that worry simply does not exist — because the file never leaves your device. There is no server to breach, no stored copy somewhere online, and no complicated privacy policy to read. Your privacy is guaranteed by design, not just promised.
Security FAQ
Are my files uploaded when I use Doctor PDF?
No. All processing happens inside your browser, and your file is never uploaded to any server.
Is Doctor PDF safer than iLovePDF and Smallpdf?
For privacy, yes — those sites upload your files to their servers for processing, while Doctor PDF processes everything locally on your device with no upload.
Does Doctor PDF keep a copy of my documents?
No copy exists at all. We never see or store your files, because they never reach us in the first place.
Does it work offline?
Yes. After the tool page loads you can disconnect from the internet and processing will keep working on your device.
Do I need an account or sign-up?
No. No account, no sign-up, no email — just open the tool and use it, free.