This tool will help you to co-view 2 or more drawings easily.

In Master drawing (or viewports), you type the command then use mouse middle-button to PAN or Mouse-wheel to ZOOM.

All dependent drawings (or viewports) that you choose will automatically PAN/ZOOM the same way keeping the same view, always in real time!


This is particularly helpful when you wish to compare the difference of drawings.

Ex: Floor 1 drawing vs Floor 2 drawing, final drawing vs previous version of itself; etc.

About This Version

Version 2.0.0, 5/12/2017
- Added 2018 support. - Added new command for synchronized Model Viewports - Change the algorithm, faster than doubled - Change ribbon UI.

Screenshots and Videos

Customer Reviews

5 reviews
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  • Brilliant app
    Briam Ramon | May 16, 2021

    Drawing Sync is a great app, it would be great if it were freely distributed and updated to autocad 2020 onwards, congratulations on your great work

  • I can not pay for it
    rui gao | November 10, 2020

    I can not pay for your softwar "Drawing Sync", can you make another way for me to pay for it?

  • support CAD 2019?
    hieu le | March 16, 2019

    hi Thai!,  Does the app support CAD 2019?

  • Just what I wanted
    Xay Lap Xl | July 10, 2016 Verified Download (What's this?)

    The app is making our revision process vastly simpler and quicker. It's very easy to use more than similar apps.

  • does not work as advertised
    Chau Huh | March 30, 2015 Verified Download (What's this?)

    Zoom function works. Pan function does not. It also locks you into the command so that you cannot edit the drawing until you exit the command. So in the end, it isn't really all that helpful. Basically, it doesn't work as advertised.

    Phạm Thái (Publisher) | April 15, 2015

    Hi Chau Huh. Pan function does not work? I don't think so. Maybe your drawing files are too large size then it will be slower with Pan function. This tool make a new command to co-view 2 or more drawings. of course, you can not use another command when a command is active, so this tool is no exception.

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