Flips the video / image vertically, turning it upside down.
This filter performs a simple geometric transformation without altering color, timing, or aspect ratio.
Flip is a binary operation: it is either applied or not; there are no adjustable parameters.
General behavior
- The entire frame is inverted top-to-bottom
- Left-right orientation is unchanged
- Audio is unaffected
- The transformation is applied uniformly to the whole clip
This is a pure geometric transform, not a distortion or rotation.
Controls
This filter has no parameters.
Applying or removing the filter toggles the vertical inversion.
Visual characteristics
- Top becomes bottom, bottom becomes top
- Straight lines remain straight
- No scaling, cropping, or resampling artifacts beyond the flip itself
Recommended use cases
-
Correcting inverted footage
Some cameras or capture devices record video upside down depending on mounting orientation. -
Ceiling- or rig-mounted cameras
Common in surveillance, overhead rigs, microscopes, or experimental setups. -
Projection and mirror workflows
Correcting orientation when footage passes through mirrors, prisms, or optical systems. -
Creative or stylistic effects
Deliberate inversion for disorientation, dream sequences, or abstract visuals. -
Preprocessing for further transforms
Used before rotation, masking, or compositing to simplify later steps.
Comparison with related filters
Flip vs Rotate
- Flip inverts the image vertically in one operation.
- Rotate changes orientation by arbitrary angles and may introduce resampling or black borders.
Flip is lossless in terms of geometry; rotation is not.
Limitations
- Vertical only (no horizontal flip)
- No partial or masked application
- No animation or keyframing
- Always applies to the entire frame