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Thanks for your comments. I realize my initial wording might have been confusing, so I have attempted to clarify what I'm looking for...

I use Inkscape for designing and exporting app assets. These assets are created a 4x scale (which corresponds to xxxhdpi on Android or @4xon iOS). Let's assume I have several vector icons that are 256x256 pixels within a single SVG opened in Inkscape. I need to export each of these icons at the following resolutions:

  • 22.50 dpi (mdpi for Android) -> 64x64 pixels
  • 33.75 dpi (hdpi for Android) -> 96x96 pixels
  • 45.00 dpi (xhdpi for Android, @2x for iOS) -> 128x128pixels
  • 67.50 dpi (xxhdpi for Android, @3x for iOS) -> 192x192 pixels

Doing this manually is really tedious. My question is thus: Is there an efficient way to export one or several specific objects within an SVG file at multiple resolutions from within Inkscape?

Note: I have hacked together a working, scripted solution that invokes svg-objects-export multiple times, but it is very slow and inconvenient, because I need to adapt the script every time I add an asset to the SVG file.

Ideally, I'm looking for a solution from within Inkscape ("Click and export", possibly for multiple selected objects at once). If that's not possible I'll take the next best option. A command line solution would be fine, as long as it's fast and automatically exports all assets in a file.

For quality reasons, I am also not looking for a solution to scale down exported PNGs.

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  • Have you got a look to Export Command Line Options? The --export-dpi flag can help.
    – Paolo Gibellini
    Jun 8, 2016 at 7:48
  • @PaoloGibellini Good hint, thank you. The Python script that I mentioned above is using this option as well. It seems that I would to have to specify each object manually with --export-id, though. I was hoping to find a solution that would just allow me to export all objects in the SVG. Such an option does not seem to exist, though.
    – KlaasNotFound
    Jun 8, 2016 at 8:44
  • Mmm... perhaps a simple batch file or shell file could be enough.
    – Paolo Gibellini
    Jun 8, 2016 at 10:36
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    @Scribblemacher Thanks. I realize I didn't properly state that I'm looking for a solution to export (multiple) individual objects from within one SVG file. I have updated the question accordingly...
    – KlaasNotFound
    Aug 26, 2016 at 19:49
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    Ah, now I understand. Using --export-id as @KlaasNotFound mentioned seems like a perfectly fine solution to me if you give areas a predictable name. Personally I would just split it up into separate SVG files, and have a script run through each file in a directory. While this is probably a common use-case for Inkscape, it simply doesn't have the capability to do what you are asking (as is--I'm sure an extension could be written). I'd be curious if Illustrator has this feature.
    – Scribblemacher
    Aug 29, 2016 at 11:42

4 Answers 4

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Create clones of your icons for each of the addition sizes you want to export. Give them ID:s in Object Properties and use the batch export option to save all of them in one click.

inkscape clones

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0

Maybe try any of these extensions (didn't test them):

https://inkscape.org/en/~owenfromcanada/%E2%98%85androidvector (different concept, exports vectors for Android)

https://github.com/ChristianBecker/inkscape-android-export (what you've been asking for)

(a web search may find a couple more of those, key words 'extension Inkscape android')

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There is an App Icon Generator Extension by Carlos Vazquez, but looks like the author abandoned the project and do not accepts pull requests. The best fork so far: https://github.com/firephreek/inkscape_app_icon_generator

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-1

Check out this tool https://github.com/redwarp/9-patch-resizer It will automatically resize .png files into several densities.

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  • "For quality reasons, I am also not looking for a solution to scale down exported PNGs."
    – Ilmari Karonen
    Dec 25, 2016 at 2:48

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