Bird Chirping
Car Racing
Lemon drink
Parkour
Car drift
ATVs sunset
Fireworks
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How Video to Audio AI Works
- 1
Upload your video
The model reads motion and context from the frames. - 2
Generate synced audio
It creates audio that matches what's happening on screen, including timing and intensity. - 3
Download your result
On this page, download your input video with the new audio. In the full tool, download the generated audio to use in your editor.
Video to Audio AI Use Cases
See how Video to Audio can be used in different scenarios.
Turn quiet clips into complete scenes with ambience, Foley, and effects. Start from an image? Try our image to video tool.
Generate footsteps, cloth movement, impacts, and object sounds that match motion.
Make TikToks and Reels feel finished with synced SFX and music beds.
Add crowd energy, whistles, ball impacts, and sneaker squeaks to elevate the moment.
Add subtle room tone, clicks, whooshes, and music to improve perceived quality.
Fill silent renders with realistic audio that matches on-screen action. For text-driven video, try our text to video generator.
Create different audio treatments (more cinematic, comedic, or minimal) from the same footage. For voice dubbing, try our AI voice cloner and lip sync.
Why Creators Love Video to Audio AI
Turn silent footage into a finished scene in minutes—upload a clip and get synced audio that feels natural, not generic (often replacing hours of manual sound design).
Sounds match the action
Footsteps, impacts, and motion cues land where they should—no hand-timing SFX.
Better realism instantly
Add ambience and room tone in seconds so clips feel less empty and more real.
Works across styles
From cinematic sound design to social-ready beds—generate multiple styles in minutes.
Great for iterations
Generate 3–5 audio takes quickly and pick the best vibe for your edit.
Quick time-to-value
Upload once and hear a preview immediately—no timelines, keyframes, or manual sound design workflow.
Testimonials
Hear what our users have to say
"I've stopped all other AI subscriptions and just stick with Magic Hour for everything content related. It's literally all in one: audio, image, and video gen tools plus you can find all the best models."
"My editing time went from 3 hours to 20 minutes per shoot. ... Finally have my evenings back."
"I've been able to create more ads and marketing content, as well as create assets for my applications. The user experience is quite good as well especially for making and iterating on my ads. I primarily use Text to video, Image generator, and Image editor."
"The output is high-fidelity enough to use in actual projects without a ton of editing."
Video to Audio AI Features
Generate synced dialogue, sound effects, and music for any video
Video-aware audio generation
Understands what's happening in the clip and generates audio that fits the scene.
Stays in sync
Audio timing follows visual events (steps, impacts, gestures, scene changes) for more believable results.
Covers the full mix
Can generate dialogue, Foley, sound effects, ambience, and music as needed.
Fast preview, deeper control
Free preview is instant and simple; full tool supports longer clips and optional prompt steering.
Video to Audio AI FAQ
Yes, video to audio AI is free with no sign up required. This tool shares the daily limit of 3 free generation requests with Image-to-Video and Text-to-Video. No account needed. Sign up for free to unlock account-specific credits and rewards, saved projects, and access to more tools. Upgrade for longer generations, more controls, and priority processing.
No. Video to audio AI works in your browser with no account, no sign up, and nothing to install. Sign up for free to unlock account-specific credits, rewards, and saved projects.
Yes, it can generate dialogue, Foley, sound effects, and music when the visuals imply those layers. Dialogue quality depends on how clearly the video indicates speaking and who is speaking. For best results, use clips with clear faces and minimal occlusion.
The free preview is automatic for speed and simplicity. In the full tool after signup, you can use an optional prompt to steer the vibe (for example: "cinematic," "documentary," "comedic," or "minimal"). You can also generate multiple variations and pick the best take.
No. This tool generates new audio based on the visuals. If your upload already has audio, you should treat this as a replacement or enhancement workflow depending on how you configure output in the full tool.
Video to Audio AI generates new audio that fits your video, including sound effects, Foley, ambience, music, and (when appropriate) dialogue. It analyzes what's happening on screen and matches the timing and intensity. The free preview returns your input video with the new track; the full tool provides the generated audio for download.
The free preview returns the first 5 seconds of your input video with newly generated audio. It runs immediately after upload so you can review the result quickly. The daily limit of 3 free generation requests is shared with Image-to-Video and Text-to-Video.
Clips with clear actions and readable motion tend to produce the most convincing sync, especially for Foley. Stable lighting and less motion blur usually help the model interpret events. Very fast cuts or heavily abstract visuals can reduce accuracy.
We Value Your Privacy & Data Security, Always
Commercial use, no AI training, deletion controls, and feature-specific retention. Trust & privacy
Commercial use
Subscriptions and credit packs permit commercial use of outputs. Users without either purchase are limited to personal, non-commercial use.
No training
We do not use customer prompts, uploads, or outputs to train AI models. This covers free, paid, and API use.
Delete anytime
Delete saved projects or request account deletion. Retention varies by feature; account deletion has a separate 14-day restoration period.
Security
Encrypted in transit and at rest. Access is restricted for operations and support.