Free Online Spirit Level
Digital bubble level and angle indicator for checking surfaces, walls and slopes.
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Start Spirit Level
Place your phone on the surface you want to check, then allow motion sensor access.
Free Online Spirit Level & Bubble Level
Use this free online spirit level to check whether a surface is level, a wall is vertical, or an object has unwanted tilt. Your phone's built-in motion sensors provide live angle readings directly in your browser.
How to Use the Online Level
- Open this tool on a smartphone or tablet.
- Tap Start Measuring and allow sensor access.
- Choose Surface or Wall mode.
- Place or hold your phone against the object.
- Adjust until the bubble reaches the center.
What Can You Check?
Check shelves, tables, countertops, furniture, picture frames, appliances, walls, tiles, cabinets, TV mounts and other everyday objects with this digital bubble level and angle indicator.
Note: Sensor accuracy depends on your device and calibration. For structural, construction or safety-critical measurements, use a professional calibrated spirit level.