Sign PDF No Upload

Sign PDF. Nothing uploaded.

Signing tools typically send your document to a server. PrivaPDF signs PDFs entirely inside your browser — your signature and document stay on your device.

Sign without uploadingConvert PDF →

No account needed · zero uploads, verifiable in DevTools

—Zero file upload
—Signature never sent to server
—Draw, type, or upload signature image
—Free with no account
—Works offline
privapdf.net/convert● SecurePDFcontract.pdf2.4 MBWASMYour browserlocalDOCXcontract.docx1.9 MBConverted in 1.8 s0 bytes sent to any server↓SaveNO SERVER

Don't trust us.
Verify it yourself.

Open DevTools → Network while converting. You'll see zero outbound requests. Every byte stays inside your browser tab.

—Works offline — no internet connection required
—Nothing is uploaded — ever
—Designed for sensitive documents
ZERO OUTBOUND CALLS
ElementsConsoleNetworkSources
FilterAll · XHR · JS · Wasm
NameStatusTypeSize
converter.worker.js200script48 kB
pdf.worker.wasm200wasm312 kB
✓ No requests to external servers
Powered byWebAssembly·Web Workers·pdf-lib·mammoth.js·Service WorkerAll open source · auditable in DevTools

Common questions

Is my file uploaded to a server?

No. All processing happens entirely in your browser using WebAssembly. Your file never leaves your device.

Is my signature data stored anywhere?

No. Your signature drawing is used only within the browser tab and is discarded when you close the page. Nothing is transmitted or stored.

Does this work offline?

Yes. Once the page is loaded, you can disconnect from the internet and the tool will still work perfectly.

Related tools

Compress PDF < 100KB →Reduce PDF Size →Secure Offline PDF Compressor →Merge PDF →Compress PDF →PDF to Word →