Open any PDF instantly — zoom, scroll, jump to a page. Nothing is uploaded.
PDFZero’s reader opens any PDF straight in your browser using Mozilla’s PDF.js — the same engine Firefox uses. There’s no upload, no account and no software to install: choose a file and it renders instantly with smooth zoom and continuous scrolling. Once the page has loaded it even works offline.
Because rendering happens locally, this is a safe way to open PDFs you don’t fully trust from a viewer standpoint — nothing is sent anywhere, and no plugins run. Need to do more than read? Every PDFZero tool — merge, compress, sign, annotate — is one click away in the navigation.
Use the reader above — choose the file and it renders in your browser immediately. No install, no signup.
No. The file is rendered locally with PDF.js. It never leaves your device — safe for confidential documents.
Not in the reader directly — first create an unlocked copy with the Unlock PDF tool, then open it here.
Yes — pages scale to your screen width and the zoom controls work with touch.