Video Fade: Fade In/Out for Clips
Add fade-in and fade-out to a video clip with a chosen color. Control fade durations and optionally fade audio for clean starts and endings.
Overview
Video Fade is a Wiro-native video-to-video utility model made by Wiro. It re-encodes a video and applies a solid-color fade at the start and end. You control the fade timing, the fade color, and whether audio fades with the picture. It helps you remove harsh cuts and ship clips that feel finished.
What you can build
- Clean intros and outros for ads, reels, and short-form clips
- “Fade to white” or branded-color endings for product demos
- Consistent fade styling across a batch of exported clips
- Polished exports when your source starts or ends abruptly
Inputs
- One input video file as an upload or file URL (MP4, MOV, or WebM). The platform supports up to 100 MB per uploaded file.
- A fade-in length in seconds for the opening transition. Use 0 seconds to disable fade-in. Values can range from 0 to 30 seconds.
- A fade-out length in seconds for the closing transition. Use 0 seconds to disable fade-out. Values can range from 0 to 30 seconds.
- A fade color as a plain name (for example, black or white) or as a hex color value (for example, #000000).
- A choice to fade audio with the video. Turn it off to keep audio at full volume. This has no effect if the input has no audio track.
Outputs
The model returns a single processed video file with the fade-in and fade-out applied. The fade-out is placed at the end of the clip automatically. If audio fading is enabled and the input has an audio track, the output audio ramps in and out with the same timing.
Wiro returns the output as a downloadable file URL. Output file URLs are publicly accessible, and files are stored for a limited time.
Limitations
- Each fade duration is limited to 30 seconds.
- The combined fade-in and fade-out time can’t be longer than the video.
- This tool fades to a single color. It does not create crossfades between two clips.
- If the input video has no audio track, audio fade settings are ignored.
- Corrupt files, unusual codecs, or variable frame rate videos can cause timing mismatches.
- Low-quality inputs can show banding or compression artifacts during the fade, especially in dark colors.
Safety & compliance
Use the model only with content you have the rights to edit and export. Don’t use it for unlawful activity or to infringe on others’ rights. Remember that output URLs are public, so avoid embedding sensitive or private information in the rendered video. You must meet Wiro’s account and usage requirements, including age restrictions.
API quick start
Run video-fade with a single API call.
{
"inputVideo": "https://your-cdn.com/input.mp4",
"fadeIn": 1,
"fadeOut": 1,
"color": "black"
}curl -X POST "https://api.wiro.ai/v1/Run/wiro/video-fade" \
-H "Content-Type: application/json" \
-H "x-api-key: YOUR_WIRO_API_KEY" \
--data-binary @- <<'JSON'
{
"inputVideo": "https://your-cdn.com/input.mp4",
"fadeIn": 1,
"fadeOut": 1,
"color": "black"
}
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