Ubuntu comes with a few built-in image viewers, but there are also several third-party options you can install. Here are some popular image viewers for Ubuntu:
### Built-in Image Viewers
1. **Eye of GNOME (eog)**:
- Default image viewer in the GNOME desktop environment.
- Supports a wide range of image formats.
- Simple and easy to use.
To open it, you can search for "Image Viewer" or "eog" in your applications menu.
2.