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Update image processing settings authored by Marius David Wieschollek's avatar Marius David Wieschollek
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Administrators/App-Settings.md
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......@@ -5,13 +5,18 @@ The app settings can be found in the administrative area of Nextcloud.
These settings influence how Passwords processes different types of data internally.
## Image Rendering
You have two options for image rendering.
If Imagemagick or Graphicsmagick are installed on your system, they will automatically be chosen as default.
GDLib should only be chosen if Imagemagick is broken or not available.
GDLib usually provides lower image quality and might not work with all formats.
Passwords processes favicons and website previews internally for optimal performance.
The image rendering setting decides which service should be used to process images.
**Note:** If you have Imagemagick selected, make sure that svg is supported. Otherwise GDLib will be used in some cases.
**Our Recommendation**: Automatic selection
| **Service** | Automatic selection | Imagick/GMagick | Imaginary | GDLib |
|-----------------|-----------------------------------------------------------------|-----------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------|
| **Description** | Automatically selects the best available service on your server | Uses the Imagemagick/Graphicsmagick library to process images | Uses the [configured](https://docs.nextcloud.com/server/latest/admin_manual/configuration_server/config_sample_php_parameters.html#preview-imaginary-url) [Imaginary](https://github.com/h2non/imaginary) server to process images | Use the PHP graphics functions to process images |
| **Benefits** | No configuration needed | High quality local image processing, wide format support | Better performance and scalability. | Shipped with PHP, always available |
| **Downsides** | | Requires imagemagick and the php imagick module to be installed | Requires Imaginary server to be available and configured in Nextcloud | Poor performance, poor format support. Should only be chosen if the automatically selected service is broken |
**Note:** If you have Imagemagick selected, make sure that svg is supported. Otherwise, GDLib will be used in some cases.
# External Services
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