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Video Extender — Continue a Clip Online

Upload a clip and describe what happens next. This video extender adds new seconds instead of looping the end.

© 2026 Seedream. All Rights Reserved. Disclaimer: Seedream is an independent AI platform and is not affiliated with, endorsed by, or sponsored by ByteDance.

Continue the clip you already have

The source video is the start. The prompt is only the next beat.

Upload the source clip

This page needs footage you already have. It does not start from text or a still.

Seedance 2.0 default

The form defaults to Seedance 2.0 video extend, which adds 4-15 seconds at 480p, 720p, or 1080p.

Wan 2.7 extra

Wan 2.7 video extend can add 2-15 seconds at 720p or 1080p. Switch to it in the picker when you want that model.

Optional last image

Seedance 2.0 can take a last image so the extension finishes on a chosen still.

Audio when the model allows it

Some extend models accept audio. If the control is hidden, the selected model does not support it.

Credits before you run

Required credits are shown before generate. The charge depends on the model, added length, and size.

How to extend video here

Three steps to continue a clip.

1

Upload the clip

Use a single-scene source with clear motion. Hard cuts are harder to continue.

2

Describe only the next beat

Write what happens after the last frame. Do not retell the whole original clip.

3

Choose how long to extend

Pick the added duration and size the model allows, then generate when the credit cost looks right.

When to continue a clip

Add seconds to footage that ended too soon.

Short social clips

Give a 5-second take enough length for a platform cut.

Story continues

Move a scene forward without shooting the next setup.

Product holds

Keep a product shot alive a few more seconds for an ad.

Talking-head tails

Let a speaker moment continue when the original file cuts off.

B-roll padding

Extend a landscape or detail shot to cover a voice track.

Edit bridges

Create a little more motion so two shots can meet.

Choose how long to extend

Shorter added seconds are usually easier to keep consistent.

End the source on a clean frame

A stable last frame gives the model a clearer place to continue.

Prompt the continuation only

Say the next action. Repeating the original scene can fight the source clip.

Match the tone

If the source is slow and quiet, do not prompt a sudden action cut unless you want that jump.

Stay inside the model range

Seedance 2.0 adds 4-15 seconds. Wan 2.7 adds 2-15 seconds. Pick from the form.

Simple sources work better

One subject and smooth motion extend more cleanly than rapid cuts.

Do not treat this as Seedream 5.0

This page uses Seedance 2.0 or Wan 2.7. Stills stay on the image pages.

Who this page is for

People who already have a clip and need it longer.

Social creators

Add seconds so a take meets a platform length.

Editors

Continue a shot instead of looping or slowing it.

Marketers

Lengthen a product clip for a longer ad cut.

Filmmakers

Push a take forward when you cannot reshoot.

Event teams

Extend a moment that ended too soon in the original file.

Educators

Hold a demonstration shot long enough to talk over it.

Describe only the next beat

This tool continues footage. It does not replace the original take.

You already have motion

If you have no clip, use text to video or image to video instead.

See the cost first

Credits are shown before generate. Longer added duration costs more.

New frames, not a loop

The model writes new seconds after the source. It is not slow motion.

Keep the brand honest

The title ends with Seedream 5.0. The extend model is Seedance 2.0 or Wan 2.7.

Video extender questions

How clip continuation works on Seedream 5.0.

What is a video extender on this page?

A video extender here continues an uploaded clip from a prompt. The page defaults to Seedance 2.0. Seedream 5.0 is the site brand, not the video model.

Does Seedream 5.0 extend the clip?

No. Seedream 5.0 is for stills. This video extend URL uses Seedance 2.0 or Wan 2.7.

How many seconds can I add?

Seedance 2.0 adds 4-15 seconds. Wan 2.7 adds 2-15 seconds. Pick the added length in the form before you generate.

Do I need a prompt?

Yes. Describe only what happens next so the model can continue a clip instead of repeating it.

Will the join look exact?

The model tries to continue motion and light. Hard cuts, busy effects, or a messy last frame are harder to match.

How many credits does a run cost?

Required credits are shown before generate. The charge depends on the model, added length, and size. Seedream 5.0 shows that cost in the form.

How is this different from text to video?

Text to video starts from writing. A video extender needs a source clip and adds new seconds to it.

Can I pick 720p or 1080p?

Yes, when the selected model allows it. Seedance 2.0 also offers 480p. The form lists valid sizes.