AI Video Voice-Over - Professional Narration
Add professional-quality narration to your videos with AI-generated voice-over. Choose from multiple voices, languages, and styles to create perfectly timed commentary that enhances your video content.
Try AI Voice-Over Now
Upload your video, write your script, and generate professional narration with AI voice-over.
Try in AppHow to Add AI Voice-Over to Video
Upload Your Video
Upload the video you want to add narration to. Supports all major video formats.
Write or Generate Script
Write your narration script or let AI suggest commentary based on your video content.
Generate & Sync
Choose a voice, generate the narration, and the AI automatically syncs it with your video timeline.
Add Professional AI Narration to Any Video
Generate broadcast-quality voiceover narration for your videos using AI. Choose from a wide range of natural-sounding voices with the right tone, pace, and emotion for your content. The AI considers your video's visual content and pacing to deliver narration that feels naturally integrated — not like generic text-to-speech layered on top.
Automatic Voice-Video Synchronization
Our AI doesn't just generate speech — it synchronizes the narration with your video timeline. The voiceover aligns with scene changes, pauses at appropriate moments, and maintains natural pacing that matches the visual content. This automatic sync eliminates the tedious manual alignment process that makes traditional voiceover production time-consuming.
Create Multilingual Narration Without Voice Actors
Generate voiceover in multiple languages from the same script, each with native-sounding pronunciation and natural rhythm. Reach global audiences without the cost and complexity of hiring voice actors for each language. Perfect for creating localized versions of marketing videos, product demos, or educational content at scale.
Works Great With
Combine tools for a complete video workflow
AI Text to Speech - Natural Voice Generator
Generate speech from text, then apply it as a voiceover on your video.
Smart B-Roll - Remove Filler Words with AI
Add voiceover narration, then enhance the video with smart B-roll footage.
Remove Audio from Video - One Click
Remove the original audio first, then add a professional voiceover track.
Why Use AI Voice-Over
Professional Narration Quality
AI voices deliver broadcast-quality narration with natural pacing, emotion, and clarity suited for any content type.
Automatic Timing Sync
The AI synchronizes narration with your video timeline, ensuring voice-over aligns perfectly with visual content.
Multi-Language Narration
Generate voice-over in multiple languages to reach global audiences without hiring voice actors for each language.
Applications for AI Video Voice-Over
Explainer & Product Videos
Add clear, professional narration to product demos, feature walkthroughs, and explainer videos. Update the script anytime without re-recording.
Documentary & Storytelling
Create compelling narration for documentaries, case studies, and brand story videos with AI voices that convey the right emotion and tone.
Localized Marketing Content
Generate the same voiceover in multiple languages for international marketing campaigns. Scale your video content globally without per-language production costs.
What Our Users Say
“I used to spend hours compressing and converting videos for different platforms. Vibbit's free tools do it all in seconds, right in my browser. The privacy aspect is a huge bonus — nothing gets uploaded.”
Sarah M., Content Creator
“As a freelance editor, I need quick tools that just work. Vibbit's trimmer and compressor are my go-to for fast edits. No watermarks, no sign-ups — exactly what I need.”
James R., Freelance Video Editor
“The AI-powered tools are incredible. Scene breakdown and script extraction save me hours of work every week. And the free tools handle all my basic video needs perfectly.”
Lisa T., Marketing Manager
Frequently Asked Questions
How does AI voice-over differ from text-to-speech?
AI voice-over is specifically designed for video narration — it considers video pacing, scene changes, and content context to deliver narration that feels naturally integrated with your visual content, unlike generic text-to-speech.
Can I control the narration timing?
Yes. You can adjust when narration starts and stops for each section, control speaking speed, and add pauses to perfectly align with your video scenes.
What types of videos work best?
AI voice-over works great for explainer videos, product demos, tutorials, documentaries, social media content, and any video that benefits from narration.
Can I preview before final export?
Yes. You can preview the voice-over synced with your video before exporting. Adjust the script, voice, or timing until you're satisfied with the result.
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AI Text to Speech - Natural Voice Generator
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Smart B-Roll - Remove Filler Words with AI
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