Protect PDF
Encrypt with AES-256 — a password is required to open it.
Drop a file here, or click to browse
Processed in memory · nothing stored · up to 50 MB each
How to protect pdf
- 1Upload your file, or drag and drop it in.
- 2Protect PDF — it processes instantly on our server.
- 3Download the result. The one-time link expires in ~15 minutes, then the file is deleted.
Why use PDFHandle
Encrypt with AES-256 — a password is required to open it. PDFHandle runs entirely on our own server with no third-party services, so your documents stay private — they're processed in memory and deleted within about 15 minutes.
Frequently asked questions
Is Protect PDF free?
Yes. Protect PDF is completely free — no sign-up, no watermark, and no daily limits.
Are my files kept private?
Yes. Files are processed in memory on our own server — no third-party services — and deleted within about 15 minutes. Nothing is stored and no account data is attached.
Do I need to install anything?
No. It runs in any modern browser on desktop, tablet, or phone. There's nothing to download or install.
Is there a file size limit?
Each file can be up to 50 MB. Larger documents can be split first with the Split PDF tool.
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