Gaaiho PDF Reader for Android

Let Gaaiho PDF Reader handle your mobile PDF needs.

Gaaiho PDF Reader is a free PDF app with unique UI in terms of original layout. It takes mobile PDF reading to a whole new level. With over 20 years of PDF development history, ZEON's Gaaiho PDF Reader ensures you a high-quality mobile PDF reading experience with a rich array of functions.

PDF Viewing

-Industry-leading document open speed

-View PDF package, comment, attachment and encrypted document

-Free to choose single page view or continuous view.

-Switch Day/Night modes easily to protect your eyes

-Click page number, enter a number and go to the corresponding page

-Fast add and edit bookmark

-Search the content of the document

-Support text reflow, and keep the original font format for excellent display effects

Note and Comments

-Use highlight, cross-out and underline to add comment on document with customizable color and opacity

-Note lets you to add text comment anywhere in PDF

-Use Draw Tools to mark up PDF content with customizable color, thickness and opacity. Move and undo are also supported

-A rich array of draw tools, such as line, arrow, rectangle and oval

-Batch remove comments

Document Management

-Rename document

-Select one or multiple documents to share

-Select and delete multiple documents

Online Document Sharing

-Get documents in and out of Dropbox

-Add WebDAV servers to upload/download documents easily

-Access documents in Gaaiho PDF Reader or upload documents from web (permissions adjustable), breaking the barrier between computer and your mobile