Gaaiho PDF Reader for Windows

  • Free

  • In English
  • V 5.40
  • 4.2

  • Security Status

A Feature-Packed and Powerful PDF Document Reader

Gaaiho PDF Reader is a PDF reader by a company that has spent nearly 25 years making PDF-related editing, viewing, and several desktop publishing tools. Its PDF reader is loaded with features, which makes it ideal for expert users. The tool lets you open PDF files in multiple windows and panes, zoom the documents in different ways, add bookmarks, search for specific content, highlight text, add attachments and notes, fill in forms, annotate pages, etc. There is a PDF manager that helps find PDF documents on your computer. There are several other unique useful features too, such as integrated tools to share documents directly through Dropbox and Evernote.

Numerous paid functions on other PDF softwares, are now FREE in Gaaiho PDF Reader!

+++The Brand New Gaaiho PDF Reader 3+++

The new generation of Gaaiho Reader 3 adopts a new UI design as well as a number of important features only previously available in paid versions. You can now annotate PDF with a complete set of tools, manage PDF files, connect to cloud services and even protect PDF with signature. Try it now and explore beyond reading!

++Key Features++

-Search and manage PDF

1.Scan and manage all PDF documents in your computer

2.Add files which need frequent revisions to Favorites

-Powerful viewing capabilities

1.Redesigned user interface

2.Use laser pointer-styled cursor in full screen mode

3.Split-view your document

4.Snap objects to grid

-Annotate PDF and manage comments

1.Change annotation color, font, style and more

2.Insert text box, callout, typewriter and mark PDF with draw tools

3.Attach file or sound to document

4.Count the number of comments by their types. Show or print comment summary

5.Export, import or migrate comments

-Sign and certify PDF

1.Secure PDF with open password. Exclusive!

2.Set up and add timestamp to your PDF

3.Sign PDF by drawing or typing your name

4.Digital ID supported

5.Verify signature and view signed version

-Save PDF file as txt format

1.Save PDF as .txt file. (Simple, Unicode)

-Fill in form fields

1.Fill in interactive form

2.Use typewriter to fill in static form

3.Highlight fillable form fields


-Advanced Search

1.Search word/phrase, patterns or by arbitrary mask

2.Look in current document, portfolio, an external folder or indexes

3.Set up criteria such as match case, include comments or bookmarks

-Share and Print PDF

1.Send PDF to Evernote, Dropbox or as e-mail attachment

2.Use one of the page handling options to best fit your publication layout

3.Print only the content (document & comments, document or form fields) you want to the sheet

-Other features

1.Read PDF document with rate up/down options

2.Use spell-check for all your texts, annotations and form fields

3.Select an area and create stamp model from it

4.Change text and background colors.


  • Feature-packed
  • Well-designed interface


  • Could confuse the occasional PDF users
  • Documents cannot be directly sent to Google Drive

Also available in other platforms

Program available in other languages

Gaaiho PDF Reader for PC

  • Free

  • In English
  • V 5.40
  • 4.2

  • Security Status

User reviews about Gaaiho PDF Reader

  • Jorge Santiago

    by Jorge Santiago

    The most complete free PDF reader, better than another one.try its many tools.

  • Alfie Shih

    by Alfie Shih

    So convenient and powerful!.
    Like one button can trans PDF files to word environment, it's really useful.

  • Anonymous

    by Anonymous

    very useful for me!.
    very useful for me! I can use it through my daily life and through my work

  • Anonymous

    by Anonymous

    Great commenting tool with unique and useful password setup.
    This is a great PDF reader for my laptop, with the various commenting tools and pas More


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