# Optional software packages needed for specific functionality
For specific Pleroma functionality (which is disabled by default) some or all of the below packages are required:
- * `ImageMagic`
- * `ffmpeg`
- * `exiftool`
+
+* `ImageMagic`
+* `ffmpeg`
+* `exiftool`
Please refer to documentation in `docs/installation` on how to install them on specific OS.
`ImageMagick` is a set of tools to create, edit, compose, or convert bitmap images.
It is required for the following Pleroma features:
- * `Pleroma.Upload.Filters.Mogrify`, `Pleroma.Upload.Filters.Mogrifun` upload filters (related config: `Plaroma.Upload/filters` in `config/config.exs`)
- * Media preview proxy for still images (related config: `media_preview_proxy/enabled` in `config/config.exs`)
+
+* `Pleroma.Upload.Filters.Mogrify`, `Pleroma.Upload.Filters.Mogrifun` upload filters (related config: `Plaroma.Upload/filters` in `config/config.exs`)
+* Media preview proxy for still images (related config: `media_preview_proxy/enabled` in `config/config.exs`)
## `ffmpeg`
`ffmpeg` is software to record, convert and stream audio and video.
It is required for the following Pleroma features:
- * Media preview proxy for videos (related config: `media_preview_proxy/enabled` in `config/config.exs`)
+
+* Media preview proxy for videos (related config: `media_preview_proxy/enabled` in `config/config.exs`)
## `exiftool`
`exiftool` is media files metadata reader/writer.
It is required for the following Pleroma features:
- * `Pleroma.Upload.Filters.Exiftool.StripLocation` upload filter (related config: `Plaroma.Upload/filters` in `config/config.exs`)
- * `Pleroma.Upload.Filters.Exiftool.ReadDescription` upload filter (related config: `Plaroma.Upload/filters` in `config/config.exs`)
+
+* `Pleroma.Upload.Filters.Exiftool.StripLocation` upload filter (related config: `Plaroma.Upload/filters` in `config/config.exs`)
+* `Pleroma.Upload.Filters.Exiftool.ReadDescription` upload filter (related config: `Plaroma.Upload/filters` in `config/config.exs`)