Reference Viewer
A downloadable tool
Reference Viewer is an extension for Aseprite that opens a window with a reference image.
Installation
Download the reference_viewer.aseprite-extension.
In Aseprite open the Preferences dialog window by clicking on Edit>Preferences... in the top bar menu.
Go to the Extensions tab, then click on the Add Extension button and find the downloaded reference_viewer.aseprite-extension.
Usage
To open the Reference Viewer click on the View>Reference Viewer menu.
A dialog window will open. The dialog window can be resized and moved. Click Select File to open an image (aseprite will give you a warning about the script accessing an external image).
With an image opened, it is possible to:
- zoom in and out using the slider or the mouse wheel.
- click on the Fit button to fit the image into the dialog window.
- move the image by dragging it.



Known issues
Touch gestures for zooming don't work properly so, for now, they are disabled.
Every time View>Reference Viewer is clicked a new window is opened, so there can be multiple windows opened at the same time. In this particular case it might be a feature.
Currently it has only been tested on Windows. But it should also work on Linux and Mac.
Changelog
- v0.2: Improved image scaling.
- v0.1: Initial version.
License / Disclaimer
Reference Viewer is provided "AS IS" and distributed under the MIT license.
Download
Click download now to get access to the following files:
Comments
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This is a really great tool, I use it all the time now! Thank you so much for this!!
The only thing I would have loved as a feature is the ability to paste images directly into the window (via ctrl+v) rather than loading it
Thank you! I take note of the feature and might give it a look (I have never done any software/plugin that uses the clipboard so I don't know how easy or difficult would it be)
This is exactly the kind of feature I, as well as many other people were asking for!!
Thank you! I'm glad you like it!
I still use it, the only problem I found is that higher resolution images start to lose quality if you zoom out, but its not too problematic.
Thanks for the feedback! I will take a look at it.
Update: Good and bad news, bad news are that the issue is not fixed yet. Good news are that I know how to do it (at least I believe so). What has to be done is filter the image when scaling it, but as far as I know there is no built-in filter so it must be implemented (not difficult, but it's more a matter of finding time to do it).
Please let me know if you ever do! thanks for the update