Read, Annotate, Edit and
Organize PDFs Free

100% Free | No Ads | No Filesize Limit | No Watermarks | No Credit Card Required

Key Features of UPDF

Eyes-friendly PDF Reader and Annotator

UPDF provides intuitive navigation tools and extensive annotation tools to add highlights, text boxes, shapes and other elements to PDFs directly.

Read and Annotate PDF >>

Edit Text in PDF

Edit text content in PDFs like what you usually do in Word documents. You can edit the font and size of the original text without leaving your PDFs. (Only available in the Mac version)

Edit PDF Text >>
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Built-in PDF Image Editor

Click an image to edit it, then resize, reposition, replace, copy, delete or crop the image in an easy-to-use interface with helpful snap-to guidelines. (Only available in the Mac version)

Edit PDF Image >>

Intuitive Page Management

Extract PDF pages, rotate them, reorder them, replace them, delete them, or add new pages easily and efficiently.

Edit PDF Pages >>
Upcoming Features


You can easily move and resize the image or object, drag it to the desired location. Also, you can extract, replace, crop, delete and rotate PDF pages.


Fill PDF forms with intuitive form-field highlighting. Create and add electronic signatures to your PDF forms using multiple options.


Extensive file format support. Create PDFs from other file types and convert PDFs to other formats quickly and accurately.


Keep confidential information from falling into the wrong hands with Enterprise-grade password security and restrictions.

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Supports macOS 10.14 or later


Supports Windows 7 or later



Supports iOS 14.0 or later


Supports Android 5.0 or later