Delightful reading experience
From the first document you select, PDF Expert springs into action with smooth scrolling and fast search. Instantly open PDFs, whether they are just small email attachments or 2000-page reports.


Edit, annotate, sign, merge, convert, fill out forms, and more. Explore all the powerful tools that make PDF easy.
From the first document you select, PDF Expert springs into action with smooth scrolling and fast search. Instantly open PDFs, whether they are just small email attachments or 2000-page reports.
Enjoy an amazing reading experience with advanced settings. Pick Day, Night or Sepia mode to please your eyes.
PDF Expert is super-fast whether you work with a one-pager or a 2000-page report. Find words and phrases instantly.
Find things instantly with search indexing. Save relevant discoveries into search history to make them more convenient to recall.
PDF Expert is the only PDF reader that saves your bookmarks in the PDF file. Send it or open it on a different device, and all your bookmarks will be there.
Open two PDFs in the Split view and work with both simultaneously. Use it to translate text, do some research, compare plans and finalize contracts.
Highlight, underline, strike out the text, add notes and comments to get the most out of every document you read.
We make it easy to edit, annotate, sign and organize PDFs.