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# A Practical Checklist for Testing Face-Swap Previews

By [@liveswapface](https://listium.com/@liveswapface)

12 views · 0 likes · 0 followers  
Published 9 November 2026 · Updated 9 November 2026

Category: technology & computing

A convincing face-swap preview has to survive motion, occlusion, and ordinary lighting—not just one flattering still frame. Use this checklist before recording or joining a call. Work only with a reference photo you are authorized to use, keep the camera fixed, and change one condition at a time.

  

For a browser-based comparison, try the \[live swap face\](https://liveswapface.com/) preview with the same reference image and repeat the short movements below. I am connected with this tool, so the checklist focuses on checks you can make yourself rather than a claim that any result is guaranteed.

  

Record a short sample if your workflow permits it. Review the face outline, eyes, mouth, hairline, and recovery after a hand crosses the face. If the output will be shown to others, disclose that the image has been altered.

## Items

### 1. [Confirm consent and choose a clear reference photo](https://listium.com/@liveswapface/151983/a-practical-checklist-for-testing-face-swap-previews/0/confirm-consent-and-choose-a-clear-reference-photo)

Item ID: `0`

- Test and pass criteria: Use a photo you have permission to use. Start with a front-facing image with the facial outline visible and even lighting. Note whether hair, glasses, or shadows hide key edges.
- Link: -

### 2. [Set a stable camera and lighting baseline](https://listium.com/@liveswapface/151983/a-practical-checklist-for-testing-face-swap-previews/1/set-a-stable-camera-and-lighting-baseline)

Item ID: `1`

- Test and pass criteria: Keep the camera at eye level and the face near the center. Begin in even light, with no strong backlight. Hold still for ten seconds to establish a baseline before changing any other condition.
- Link: -

### 3. [Turn slowly left and right](https://listium.com/@liveswapface/151983/a-practical-checklist-for-testing-face-swap-previews/2/turn-slowly-left-and-right)

Item ID: `2`

- Test and pass criteria: Rotate about 30 degrees to each side, then look slightly upward. Watch whether the jawline and eyes stay attached to the face. Repeat the movement twice; one good frame is not a reliable pass.
- Link: -

### 4. [Test smiles, blinking, and speech](https://listium.com/@liveswapface/151983/a-practical-checklist-for-testing-face-swap-previews/3/test-smiles-blinking-and-speech)

Item ID: `3`

- Test and pass criteria: Smile, blink, and speak a short sentence. Check for mouth-shape lag, eye distortion, and flickering around the nose. Compare the preview at normal playback speed.
- Link: [https://liveswapface.com/](https://liveswapface.com/)

### 5. [Pass a hand briefly across the face](https://listium.com/@liveswapface/151983/a-practical-checklist-for-testing-face-swap-previews/4/pass-a-hand-briefly-across-the-face)

Item ID: `4`

- Test and pass criteria: Move a hand in front of one cheek and then remove it. Check whether the face layer disappears cleanly behind the hand and returns without a visible jump or persistent seam.
- Link: -

### 6. [Repeat with realistic light and framing](https://listium.com/@liveswapface/151983/a-practical-checklist-for-testing-face-swap-previews/5/repeat-with-realistic-light-and-framing)

Item ID: `5`

- Test and pass criteria: Change only one variable at a time: dim the lamp, move toward the edge of the frame, or try a different background. Record which condition causes the first visible breakdown.
- Link: -

### 7. [Review a short recording in the actual destination app](https://listium.com/@liveswapface/151983/a-practical-checklist-for-testing-face-swap-previews/6/review-a-short-recording-in-the-actual-destination-app)

Item ID: `6`

- Test and pass criteria: Review 10–15 seconds in the app where the result will actually be shown. Check frame drops, delay, crop, and the face outline at normal size. If it fails, adjust light or framing before changing the reference image.
- Link: -