Seedance 2.0 Video Extend - Seamlessly Continue Any Video Clip with AI
ByteDance's Seedance 2.0 Video Extend continues an existing video clip while preserving the same subjects, positions, clothing, faces, layout, lighting, on-screen text, and motion. Built on the Seed unified multimodal architecture for smooth, temporally coherent continuation, optionally guided by a prompt for what happens next. Available in Standard, Fast, and Mini tiers with multiple resolutions and durations.
Seamless Video Extension
Extend a source clip forward or backward into a longer, cohesive video
Subway Scene Continuation
Continue the existing subway train scene seamlessly. Keep the same passengers, seating positions, clothing, faces, carriage layout, lighting, handrails, doors, and route display. The route display text "NEXT STOP: CENTRAL STATION" remains stable, readable, and unchanged throughout. The train keeps moving smoothly with a gentle natural sway.
What's Seedance 2.0 Video Extend
Seamlessly extend your videos forward or backward with ByteDance's Dual-Branch Diffusion Transformer
- · 01SeamlessContinuation
- · 023Tiers
- · 034KResolution
- · 0430sMax Duration
Seedance 2.0 Video Extend continues your existing footage in a single unbroken take, preserving subjects, lighting, and motion while adding new content forward or backward, with support for up to 4K resolution across three model tiers.
Seedance 2.0 Video Extend Features
Discover how Seedance 2.0 Video Extend seamlessly continues your footage while keeping everything on screen consistent
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Seamless Continuation
Continue an existing clip exactly where it left off with frame-accurate, temporally coherent motion and no visible seam between the source and the extended footage.
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Subject & Identity Preservation
Keeps the same people, faces, clothing, and objects consistent from the source video into the extension so characters stay recognizable throughout.
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Layout & Lighting Consistency
Maintains scene composition, camera framing, background layout, and lighting so the continuation feels like one uninterrupted take.
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On-Screen Text & Detail Retention
Preserves on-screen text, logos, and fine details so captions and graphics carry through the continuation without drift or distortion.
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Prompt-Guided Continuation
Optionally steer what happens next with a simple text prompt while keeping everything already on screen intact, or leave it blank for natural progression.
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Standard, Fast & Mini Tiers
Choose Standard for maximum fidelity, Fast for quicker turnaround, or Mini for lightweight, budget-friendly extensions built on the ByteDance Seed architecture.
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Flexible Resolution & Duration
Pick from multiple output resolutions and extension durations to fit social clips, b-roll, or long-form storytelling.
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Loop-Free Storytelling
Extend b-roll and short clips into longer, naturally progressing scenes without awkward loops, repeats, or jarring cuts.
Frequently Asked Questions
Common questions about Seedance 2.0 Video Extend
Still have questions?
How to Use Seedance-2 Video Extend
Extend your videos forward or backward with seamless AI continuation
Upload Source Clip
Upload the video clip you want to extend. Seedance 2.0 analyzes its subjects, lighting, and motion to continue the scene seamlessly.
Flexible AI Pricing
Pay-as-you-go credits or subscription plans. No hidden fees, cancel anytime.
One Time supports crypto payment (BTC, USDT, ETH, 350+)
Monthly billing