BasedUGC
Video Editing

Extend Videos

Extend any AI UGC video with more content

Seamlessly add more content to any existing video clip. Turn a 15-second hook into a 60-second ad without re-filming — actor continuity, lighting, and style all match automatically.

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High-performing 15-second ads often leave money on the table by stopping before the full persuasion arc is complete. A great hook and problem statement crammed into 15 seconds would perform better as a 30 or 60-second ad if the rest of the story could be added. BasedUGC's Extend Videos tool makes this possible without re-filming. Select any existing video, write the additional content you want appended, and AI generates a seamless extension with the same actor, same lighting, and same environment.

Extend Videos is also one of the most efficient repurposing tools in the platform. Take organic short-form content that performed well on TikTok and extend it into a full ad-length piece for paid campaigns. Take a product explainer generated for email and add a CTA section for paid social. Take a testimonial that performed well organically and extend it with social proof elements for a conversion-focused ad version. Every extension maintains actor continuity so the result looks like one continuous take rather than a stitched composite.

How it works

Three steps.
Done in minutes.

01

Select your clip

Choose any existing UGC video in your library — BasedUGC-generated or uploaded. The system analyzes the original lighting, background, and actor to match the extension perfectly.

02

Write your extension script

Add the additional content you want appended — more selling points, a CTA, social proof, or a product demonstration that wouldn't fit in the original clip length.

03

Generate seamlessly

AI extends the video with matching lighting, actor continuity, and consistent visual style. The join between original and extension is invisible in the output.

What you get

Everything included

Seamless actor continuity
Matches original lighting & style
Extend by any duration
Add CTAs to existing ads
Repurpose short clips
No re-filming needed

Start using Extend Videos today

Join thousands of performance marketers creating AI UGC that converts.

FAQ

Extend Videos — questions answered

How does the extension stay consistent with the original?+

Our model analyzes the original video's lighting setup, background scene, actor positioning, speech pacing, and visual style before generating the extension. The extension segment is rendered with matching parameters — same lighting temperature, same background environment, same camera framing, and the same actor's face and voice — ensuring the extended section looks like a natural continuation rather than a clip from a different session. Transitions between original and extension are handled as clean cuts that maintain the raw UGC aesthetic. No crossfade or obvious join point is visible in the final output.

Can I extend a video I didn't originally generate on BasedUGC?+

Yes. Upload any video and Extend Videos will analyze the source to extract the visual environment, actor characteristics, and audio profile before generating the extension. Accuracy of the match depends on the quality and consistency of the source footage. Videos with consistent lighting, a stable camera, and a clear single actor produce the best extension results. Videos with multiple lighting setups, fast editing, or dramatic visual changes between segments are harder to match. When extending uploaded footage, the AI actor in the extension will be an approximation of the original rather than an exact replica.

What's the maximum length I can extend to?+

Extensions can reach up to 120 seconds total video length on Starter, and up to 300 seconds on Creator and Pro plans. These match the limits for standard video generation. An extension uses one credit per segment, and you can chain multiple extensions to build longer content — generate the original video, extend it once for the middle section, and extend it again for the closing CTA if needed. Each extension step preserves the continuity of all previous segments, so chained extensions maintain visual consistency throughout the full length of the final video without degradation at each join point.

Can I use video extension to add a CTA to an existing ad?+

Yes, and this is one of the most widely used patterns on the platform. Take a high-performing organic clip that doesn't have a direct CTA and add a 5-10 second paid ad closing section as an extension. The extension section adds the actor delivering the CTA in a natural continuation of the original video, making the paid version feel organic rather than tagged-on. This is particularly effective for brands with an archive of organic UGC content created without ad CTAs — instead of building new paid creative from scratch, you convert your existing top performers into ad-ready versions in minutes.

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