Upload a photo · Name the flinch · Six seconds, camera locked
AI Shocked Face Effect
Shock is the easiest of the reaction effects to get right, because it is mostly one clean beat: everything snaps open at once and then holds. What makes or breaks it is the flinch — a small backward pull of the head and a lift of the hands. Without that the face looks surprised in a photograph way rather than reacting in a video way.
AI Shocked Face Effect
A plain standing photo, mid jaw-drop
Generated on this page's engine while building it. The source was a man standing against a plain wall in a white t-shirt, looking straight at the camera. Every output is AI-generated, so your timing and intensity will differ — read this as what the effect can hold.
Standing portrait → full jaw drop
The clip does the whole beat: eyes snapping wide, eyebrows shooting up, mouth falling open, and — the part that sells it — the hands coming up and out, palms open, while the head pulls back a fraction. The white t-shirt, the watch and the wall are unchanged from the photo.
Open the video studio
The source photo it started from
A standing full-length shot against a plain wall, arms down, neutral face. Worth seeing because the reaction adds the hands — they are not in the source pose at all, which is the part a face-warp filter could never have produced.
Try it on your own photoWhat is the AI shocked face effect?
It is an image-to-video effect: one still photo goes in and a short clip comes back of that person reacting with shock — eyes stretching wide, eyebrows lifting, mouth falling open, with a small recoil of the head.
The reason this became a template on every video-effects site is that shock is the most reusable reaction there is: it works over a caption, over a cut, over someone else's news. What the generation model adds over an old face-warp filter is that the mouth opens onto a real interior and the head can actually move back, so the clip reads as a moment rather than a stretched photograph.
Creative engine
How a run works
Upload the photo, keep the preset prompt, pick the length. The credit estimate shows before you generate and a failed run is never charged.
Name the flinch
A small backward flinch of the head, hands lifting slightly. Faces alone read as posed surprise; the recoil is what makes a viewer believe something just happened.
Let it hold, then settle
Shock that snaps back to neutral looks like a glitch. Ask it to hold the expression and settle slightly — that is how the six seconds end on something usable.
Room above the head helps
The head pulls back and up in a real flinch. A photo cropped tight to the hairline gives the model nowhere to move, so it compresses the motion into the face.
Its two siblings are the laughing face effect, which needs a full arc, and the scared face effect, which is the same open-mouth shape until you add fear to the body.
How to get shock instead of a stare
Three clauses worth writing down. Skip them and the model widens the eyes and stops there.
- 01
Snap, do not slide
Say eyes snapping wide, eyebrows shooting up, jaw dropping open. Verbs with speed in them produce a fast beat; gentle verbs produce a slow, dreamy expression change that reads as something else entirely.
- 02
Add the body
A small backward flinch, shoulders rising, hands lifting. This is the single change that moves a clip from posed to reacting, and it is the thing most prompts leave out.
- 03
Keep the camera out of it
Locked-off camera, same background. A push-in on a reaction clip fights the expression, and it makes the six seconds impossible to cut into anything else.
Where a reaction clip earns its keep
Three uses that keep this effect on every template list.
Reaction cuts in short video
Six seconds of someone reacting is the connective tissue of short-form editing — and generating it from a still means you do not have to film it.
Replies that beat a sticker
Your own face, actually reacting, lands harder than a stock GIF in a group chat, which is where most of these clips end up.
Before-and-after reveals
Pair the reaction with the thing being revealed — a room, an outfit, a movie poster of the recipient — and you have a two-shot edit out of two still images.
Questions about the effect
What it needs, where it breaks, what a run costs.
No — the engine behind this page generates picture only, so a gasp or a sound effect has to be added in your editor. The clip is written to read as shock silently, which is why the body movement carries so much of it.
The difference is speed and the body. Use snapping and shooting rather than opening and raising, and add a backward flinch with the hands lifting. Surprise is a face; shock is a face plus a recoil.
Yes, but the transition is more visible — the model has to travel further from the source expression, which sometimes shows as a soft frame or two at the start. A neutral source photo gives the cleanest snap.
Only through direction, not through a second image. You can say reacting to something off-camera to their left and the eyeline usually follows, which is enough to cut the clip against whatever you want the shock to be about.
Hands entering frame are the hardest part of any generated clip, and a raised-hands flinch asks for exactly that. If a run comes back with a bad hand, generate again rather than adding more instructions about fingers — retries are cheaper than fighting it.
This page uses the free engine, so free credits cover the first attempts. After that a clip costs credits by length and resolution, the estimate shows in the generator before you start, and a failed run is never charged.
Kavel pricing — pay only for what you generate
One credit pool covers Nano Banana images and Seedance and Veo video. The cost shows before every run, and failed jobs are not charged. Use a subscription for ongoing work, or a one-time pack when you just need to top up.
Starter
What's included
- 33,500 credits per year
- Works with Nano Banana images and Seedance and Veo video
- Cost preview before you generate
- Generation history
Secure checkout by Stripe. Card details never touch our servers.
Creator
What's included
- 89,700 credits per year
- Access to Seedance 2.0, Fast, and Mini
- Nano Banana 2 generation and editing
- Priority credit top-ups
Secure checkout by Stripe. Card details never touch our servers.
Studio
What's included
- 166,800 credits per year
- Built for high-volume Kavel generation
- Plenty of room for 4K rendering
- Available across the supported models
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Credit packs
One-time top-ups — buy extra credits any time you run low.
Credit Pack 1500
What's included
- 1,500 credits
- No ongoing subscription
- Available across the supported models
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Credit Pack 3600
What's included
- 3,600 credits
- No ongoing subscription
- Available across the supported models
- Use for both video and image generation
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Credit Pack 9000
What's included
- 9,000 credits
- No ongoing subscription
- Handy for Seedance 2.0 final renders
- Valid for 365 days
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One credit balance for every Kavel image and video model
Use one balance across the supported image and video models (Nano Banana 2 / Nano Banana Pro / Seedance 2 / Veo 3.1), and check the credit cost before each request.
Video models
Image models
Model credit guide
What each model costs in credits
You're only charged for successful generations. The exact estimate in the generator varies by model, length, resolution, audio, and number of images.
| Type | Model | Credit cost |
|---|---|---|
| Video | Seedance 2.0 | 5s 720p image-to-video ≈ 188 credits; text-to-video ≈ 308 credits. Scales with resolution and length. |
| Video | Seedance 2 Fast | Faster and lower cost. 5s 720p text-to-video ≈ 248 credits. Mini is cheaper still. |
| Video | Veo 3.1 | Billed per video (Lite). About 34 credits at 1080p, about 23 at 720p. |
| Image | Nano Banana 2 | Generate or edit from text and images. About 8 credits per 1K image, 12 at 2K, 18 at 4K. |
| Image | Nano Banana Pro | Consistent run times across generations. About 12 credits per 1K or 2K image, 21 at 4K. |
| Image | Nano Banana 2 Lite | Faster, simpler variant. About 8 credits per image. Start here to test. |
Turn a photo into a reaction
One still photo, a named flinch, six seconds. Free credits cover the first tries.