Qt Extended is supplied with several command line and graphical tools to ease and speed the development process. Each tool is listed here with a link to its documentation.
| Tool | Description |
| Designer | Create forms visually. |
| Assistant | Quickly find the help you need. |
| Linguist, lupdate, lrelease | Translate applications to reach international markets. |
| QVFb | Run and test embedded applications on the desktop. |
| Help Browser Pre-processor | An extension to Help Browser that enables the maintenance of a single source of html help files from which device-specific help can be extracted. |
| qdawggen | Generate QDawg files from plain test word lists. |
| vsexplorer | A tool that can be used to inspect the contents of the Value Space on a target device. |
| QtTest | Test tool for automated Unit testing. |
| QtUiTest | Test tool for automated Ui/System testing. |
| qcop | Tool for accessing the Qt Extended IPC Layer from the command-line. |
| phonesim | Tool for testing of telephony applications without the need for access to an actual modem. |
| phonebounce | Tool for converting a handset into a modem for access from an instance of Qt Extended running on a desktop machine. |
| svgtopicture | Tool for converting SVG images to QPicture format images. |
| pngscale | Tool for scaling images and writing the result as PNG images. |