# Demonstration of all features of the Origin Private File System Simply visit **_[pwa.kiwix.org](https://pwa.kiwix.org)_** in a desktop Chromium browser. Read more after the demo: https://github.com/kiwix/kiwix-js-pwa/assets/4304337/21519b5e-0ed6-49a6-b7ee-5a77e4d84aeb See also: [ [Install PWA and use OPFS in Chrome for Android](Demo-OPFS_Chrome_Android.md) ] [ [Install PWA on Firefox for Android](Install-PWA_Firefox_Android.md) ] ## Chromium browsers can use all the features of the OPFS **Chromium** desktop browsers (Chrome, Edge, Brave, etc.) support all the features shown in this demo, i.e. **_adding_** files to the OPFS, **_downloading_** directly into the OPFS, **_deleting files_**, and **_exporting_** them to the user-visible file system. **Firefox** desktop, and all Android browsers, supports all of these actions _except_ exporting files. Firefox is currently limited to a maximum OPFS quota of 10 GB. See also: [ [Install PWA and use OPFS in Chrome for Android](Demo-OPFS_Chrome_Android.md) ] [ [Install PWA on Firefox for Android](Install-PWA_Firefox_Android.md) ]