# Features of backtivisda > Backtivisda allows you to do many things, but not everything. This page gives you an overview of what you can and can't do. ## Templates **Possible** : - add a new template from the template editor. The model itself can be loaded from a `.json` file; - modification of a model already in the database (ticket [#173](https://framagit.org/aktivisda/aktivisda/-/issues/173)) **To come / not supported / considered** : - Deleting a model - Partial modification of a model: don't regenerate the different images if you've just changed the label ## Images/symbols **Possible** : - Add a `.svg` image as is ; - Add a `.png` or `.jpg` image; - Adding a `.png` image and vectorising it **To come / not supported / considered** : - Check that the `.svg image is correct. Or compress it - Replace an existing image - Change the tags or labels of an existing image ## Background images **Possible** : - Add a `.svg` image as is ; - Add a `.png` or `.jpg` image; - Adding a `.png` image and vectorising it **To come / not supported / considered** : - Check that the svg image is correct. Or compress it - Replace an existing image: in particular to vectorise it. - Change the tags or labels of an existing image - Add _locales_ images (_ie._ integrated into templates) to the gallery (see ticket [#176](https://framagit.org/aktivisda/aktivisda/-/issues/176)) ## Tags **Possible** : - Adding tags _via_ the forms for adding symbols and background images **To come** : - Dedicated page for adding tags ## Backup **Possible** : - See a list of all modified items with a small badge (modified, new, deleted) for each one; - Undo a modification - Add a custom commit message **To come** : - Pre-fill the commit message according to the changes made - Keep track of changes made in the browser - Allow all changes to be exported to a text file - Cache gitlab requests (ticket [#175](https://framagit.org/aktivisda/aktivisda/-/issues/175))