Free PDF Reader with Annotations (Windows, Mac, Linux)

This announcement is surely going to make many of our PDF Studio Viewer users very happy! The new version of Qoppa’s Free PDF Reader, PDF Studio Viewer 2018, is adding new annotating function. This feature is available for users on all platforms: Windows, macOS and Linux. Adding Annotations The following annotation tools are available in Qoppa’s free […]

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Create text highlight annotations in multiple colors

Q: How can I quickly highlight various text in different colors? A: By default, select highlight text tool will  highlight text in Yellow. To change the color, you will need to click on the color picker from the toolbar. However, this can be time consuming if you have to highlight text in multiple colors. Instead, we […]

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Search Web Links and Create Link Annotations in a PDF Automatically

Q: I have a document that contains multiple Web links. Is it possible to search for these links and create Link annotations? A: Qoppa’s PDF editor, PDF Studio, is able to search for the text strings that contain http, https or www and add link annotations overlapping the text automatically so they become active links. […]

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How to export PDF markups and annotations into FDF/XFDF

Q: How can I export the comments / annotations added to a PDF document into FDF/XFDF?  A: PDF Studio has the ability to export all comments added to a PDF document into multiple formats, including FDF and XFDF. Below are instructions on how to export comments as an FDF / XFDF. Exporting Comments as FDF/XFDF in PDF […]

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How to follow a URL / link in PDF Studio?

There are 2 ways to follow links in PDF Studio: If there is an actual PDF link on the page, when hovering over it, the mouse cursor will change to the pointer hand and by clicking on it, PDF Studio will open the URL association with this link. These PDF links are similar to annotations added […]

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Create a new layer in a PDF document

Q: How can I create a new layer in a PDF document? A: Creating a new layer can be useful if you want to Add Comments to a Specific Layer on a PDF Document. For example: adding multiple layers of wiring diagrams over a building blueprint where you would create a layer for each type of wiring. […]

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Creating Custom Symbols for CAD / Engineering Documents

Q: How can I create CAD / Engineering symbols to add to blueprint or design PDFs? A: Using the Rubber Stamp tool you can create stamps for each symbol you need to use. Once you have created the stamps you can use the Rubber Stamps Manager organize them into folders and use them repeatedly to mark your […]

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Set Custom Font Size on Text Annotations

Q: In PDF Studio when creating a text annotation I can only choose set font sizes like 8 or 10, but not 9. How do I set  a custom font size value for my annotation? A: The font dropdown only includes a short list of most commonly used font sizes. However, you can easily set any […]

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Fonts not showing up in annotation text properties list

Q: I want to set my text annotation to a specific font but it is not listed in the font list. Why? A: PDF Studio loads only fonts found in the operating system font directories. If they are installed in other directories or locations PDF Studio will not find the font. Make sure that you […]

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Copy annotations using Ctrl + Drag

Q: How can I copy annotations using Ctrl + Drag? A: Starting in PDF Studio 12, you can copy annotations by holding Ctrl button (On Mac: hold ⌘ Command) and then dragging the mouse. This can be done with a single annotation or multiple annotations at once.   Note: Starting in PDF Studio 12.0.2, there’s a […]

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