Preview PDF
Inspect and navigate PDF documents page by page in an isolated local viewer. Review document pages smoothly with client-side rendering and zero external data transmission.
Your files never leave your device. All processing happens locally in your browser with no file uploads or account required.
How to use preview pdf
- 01
Select PDF document
Choose the PDF file you wish to view.
- 02
Navigate document
Use next/previous controls and thumbnail view to inspect individual pages.
- 03
Review in privacy
View the entire document safely in local memory with embedded scripts disabled.
Important details & limitations
Navigate the document using the page controls. Previews are rendered locally; embedded scripts and external links are not executed.
Frequently asked questions
What should I know before using preview pdf?+
Navigate the document using the page controls. Previews are rendered locally; embedded scripts and external links are not executed.
Where are my files processed?+
All document contents remain on your device. Browser JavaScript and WebAssembly perform the work; no files are sent to a conversion service.
What files does preview pdf support?+
Use unencrypted PDFs; Unlock PDF can first remove encryption using a known password. Up to 100 MB total. Malformed, unusually large, or complex PDFs may exceed browser limits. Editing a signed PDF changes the document and can invalidate its signature.