Choose a PDF and read it in SumoPDF's local page viewer. Your file stays on your device and is never uploaded.
Drop one PDF here or browse
How it works
Add the PDF you want to read.
Select Open PDF. The document opens in SumoPDF's local page viewer.
Use the page strip, arrows, swipe, zoom, and search to read it. This reader does not offer a download action.
Limits
Browser-local. SumoPDF does not upload or store the document. Beta limits: desktop up to 40 MB; mobile devices up to 15 MB.
Common questions
Is it safe to view a private PDF in my browser with this tool?
Yes, it is completely safe and private to view your PDF here. The file opens directly from your computer into your browser without being uploaded to any server. Your document never leaves your device.
Can I open a very large PDF file?
Yes, you can open large PDF files. However, since the file is processed in your browser, performance may depend on your computer's memory and the complexity of the document. The free viewer works with files up to 25 pages.
Do I need an account to read a PDF?
No, you do not need an account or any software installation to read a PDF. You can open and view a document instantly and for free. The tool is designed for quick and private viewing.
Can I search for text within the PDF I open?
Yes, you can search for text within the document if the PDF contains a text layer. If the PDF is a scan or an image, you would first need to use an OCR tool to make the text searchable.
