Merge Audio & Video

Merge Audio & Video

Bolly's audio-video merger — Put a new soundtrack or voiceover on any video.

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Merge Audio & Video: audio-video merger by Bolly

Video tools — run it online on Bolly from 1 credit, Starter plan and above.

Put a new soundtrack or voiceover on any video.

Overview

ModelMerge Audio & Video
DeveloperBolly
TypeVideo tools
OutputVideo
ModesMerge (1 cr)
Creditsfrom 1 per run · 1 credit ≈ $0.05
PlanStarter plan ($19/mo annual) and up
Added2025-06-20

How to use Merge Audio & Video on Bolly

  1. Open Merge Audio & Video on Bolly, or start from an app built on it.
  2. Describe what you want, or attach a file and say what to change.
  3. Set the format and options in the composer for your use case.
  4. Generate. Results stream into your Library where you can download, favorite or reuse them.

FAQ

What is Merge Audio & Video?

Merge Audio & Video is Bolly's audio-video merger. Put a new soundtrack or voiceover on any video. On Bolly you can run it in your browser with no setup.

Is Merge Audio & Video free to use?

Merge Audio & Video needs the Starter plan ($19/month billed annually) or higher, because video, 3D and lipsync models cost real compute. Runs start at 1 credits; failed runs are refunded automatically.

How do I use Merge Audio & Video on Bolly?

Open this page, describe what you want or attach a file, pick your settings (format) and hit generate. The composer shows the exact credit price before you run, and results land in your Library.

How much does Merge Audio & Video cost?

Runs start at 1 credit on Bolly (about $0.05). Longer clips, more images or higher resolutions cost more, and the composer shows the exact price before you generate.