Merge PDF Online (Private)
Most merge tools send your files to a server. PrivaPDF merges PDFs directly in your browser — nothing is uploaded, nothing is stored.
No account needed · zero uploads, verifiable in DevTools
Open DevTools → Network while converting. You'll see zero outbound requests. Every byte stays inside your browser tab.
No. All processing happens entirely in your browser using WebAssembly. Your file never leaves your device.
Yes. Because merging runs entirely in your browser, confidential contracts, medical records, or financial documents are never exposed to any server.
There is no hard limit on the number of files — you can merge as many PDFs as your browser memory allows.
Yes. Once the page is loaded, you can disconnect from the internet and the tool will still work perfectly.