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Video Blend

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Blend two videos frame by frame with an ffmpeg blend mode (lighten, multiply, screen, overlay and 19 more).

UtilityFrom 16 creditsMaker not listed

Input

5 fields

Result Idle

Your result will appear here.

Set your inputs, then open a workflow to create it.

Credit estimate uses the model defaults. Your workflow shows the final estimate for your inputs before you run.

Model guide

Build with Video Blend.

Blend two videos frame by frame with an ffmpeg blend mode (lighten, multiply, screen, overlay and 19 more).

Read the Video Blend docs

Best for

Blend two videos frame by frame with an ffmpeg blend mode (lighten, multiply, screen, overlay and 19 more). Use the playground to set up a single step, then open a workflow when you want to connect more tools.

Inputs explained

Top Video (required)
The upper layer. Type: video.
Bottom Video (required)
The base layer. Type: video.
Blend Mode (optional)
Set the blend mode used by this model. Type: text. Options: addition, average, burn, darken, difference, divide, dodge, exclusion, grainextract, grainmerge, hardlight, lighten, multiply, negation, normal, overlay, phoenix, pinlight, reflect, screen, softlight, subtract, vividlight. Default: "overlay".
Opacity (optional)
Opacity of the top layer, 0 to 1. Type: number. Minimum: 0. Maximum: 1. Default: 1.
End With Shorter Clip (optional)
Set the end with shorter clip used by this model. Type: boolean. Default: true.

Tips before you run

Start with the default settings and change one input at a time. Keep the result you like on your board so the next step can use it.

If you add a reference file, use a link the workflow can read. Check the inputs and credit estimate on the board before starting a run.

Working with this model

Colors shift: blends run in YUV, not RGB

The blend is computed on the video's YUV planes, so modes like lighten and screen act on the color channels too, not just brightness. Parts of the frame you expect to stay untouched change color. Measured: lighten with a black and white Segment Mask on top cut saturation by about 24% across the whole frame (skin went pink, grass grey, sky lavender). So this node is not a clean way to hide a face or any other region. Use it for looks where a color shift is fine.

A few modes worth knowing

  • lighten keeps the brighter value on each plane.
  • multiply darkens; screen brightens softly, which suits light leaks and glows laid over footage.
  • normal with Opacity below 1 lays the top clip over the bottom at that opacity.

Length and frame size

The output ends when the shorter clip ends. Turn off End With Shorter Clip to run to the end of the longer one. Use two clips of the same frame size.

Common questions

How do I use Video Blend on Wireflow?

Set the inputs above and choose Open in a workflow. Sign in to save your board, then check its credit estimate before you run.

Can I use Video Blend through an API?

Yes. Save a workflow with this model, then call the Wireflow run API with its workflow ID. The API tab has examples you can copy.

What changes the credit price?

The price shown uses the model defaults. Your inputs and model settings can change the total. The workflow shows an estimate before you run.

Can I connect this to another model?

Yes. Open it in a workflow and connect its output to another node with a matching input type.