1. Prepare two matched stills
Same aspect ratio, similar exposure, similar composition. AI video generator first and last frame quality is set by the gap between your two keyframes — narrower gaps yield cleaner motion.
Frame interpolationStart + end stillsKling Pro mode
AI Video Generator — first and last frame interpolation
An AI video generator with first and last frame inputs interpolates between two stills you provide — start frame, end frame, and a prompt describing the motion in between. On Voor AI, the AI video generator first and last frame workflow runs on Kling v2.1's Pro mode when both stills are uploaded, which is the configuration designed for transition interpolation rather than freeform animation. Searches for AI video generator first and last frame come from motion designers building reveal transitions, marketers stitching brand pack-shots, and music video editors who want frame-perfect cuts between two beats. The promise is simple: instead of describing both keyframes in prose and hoping the model lands close, you upload exactly what you want at second zero and second four, and the AI video generator first and last frame approach handles the tween.
Upload two stills• Describe the transition• Get a tween
How to run AI video generator first and last frame interpolation
The generator panel above accepts both a start and end image upload.
2. Describe what happens between them
A one-sentence prompt is enough — the AI video generator first and last frame model already has both endpoints. Use the prompt to specify pace ('slow', 'snap'), mood, and any subject behavior the stills do not show.
3. Render and trim
Generate a short clip. AI video generator first and last frame outputs are typically two to five seconds. Trim heads and tails in your editor to land on the exact frames you uploaded.
What an AI video generator with first and last frame is good at
Two-frame interpolation is a narrow but powerful tool. These are the wins.
Predictable start and end
The biggest reason teams pick an AI video generator first and last frame workflow is determinism on the endpoints. You know what the open and the close look like — only the middle has to be invented.
Pro-mode generation when available
When both stills are attached and the underlying model is Kling v2.1, the AI video generator first and last frame flow switches to Pro mode automatically — the configuration tuned for interpolation between two anchors.
Transition planning before render
Storyboarding a transition is much easier when both endpoints exist. AI video generator first and last frame projects shift the planning effort from prompt prose to image curation.
Match-cut friendly
Editorial teams love AI video generator first and last frame interpolation for match cuts: same composition, different subject, smooth morph. The trick is making the two stills compositionally similar enough that the model has a clear path between them.
When an AI video generator first and last frame beats text-only
Text-to-video is great when you do not yet know what the clip should look like. An AI video generator first and last frame workflow is better when you already do. If you have a brand pack-shot at the start and a logo lockup at the end, describing both in words wastes time and produces drift; uploading both stills and letting the AI video generator first and last frame model handle the tween is faster and more accurate.
AI video generator first and last frame also helps when you want to combine generated assets with practical photography. Shoot or render the keyframes the way your brand book demands, then use the AI video generator first and last frame approach to bridge the gap with motion that respects both endpoints.
Limitations are real. The further apart your two stills are in subject, composition, or lighting, the more the AI video generator first and last frame model has to invent — and inventions are where morphing comes from. Pick keyframes that share enough visual DNA that the model can plausibly travel between them.
Why motion designers use AI video generator first and last frame workflows
Brand campaigns require pixel-precise endpoints. An AI video generator first and last frame workflow gives you those endpoints by construction — you supply them as images, not as hopeful prose.
Music video editors use AI video generator first and last frame interpolation for beat-locked transitions: pick the frame on beat one, pick the frame on beat two, let the model fill the space. The same technique scales to title sequences, lyric videos, and explainer cut points.
AI Video Generator First and Last Frame — FAQ
Do I need to upload both stills?
Yes — that is the whole point. An AI video generator first and last frame workflow without both anchors is just image-to-video; the interpolation behavior requires two endpoints.
Which model handles it?
On Voor AI, the AI video generator first and last frame flow uses Kling v2.1's Pro mode when both stills are present. The mode switch happens automatically when the second upload is detected.
How long can the clip be?
Short. AI video generator first and last frame output is typically two to five seconds. Longer interpolations ask the model to invent too much between the endpoints.
Why does my middle frames look distorted?
Your two keyframes are probably too different. The AI video generator first and last frame model works best when start and end share composition, palette, and subject identity.