Video and Audio Merger

Combine video and audio files instantly with our free online tool that delivers professional results without downloads or software installation.

Benefits of merge video and audio online

Merge video and audio online combines your files directly in the browser without software downloads. Upload video and audio files, sync them automatically, and download your merged content in seconds.

The tool maintains original video resolution and audio quality with zero compression. Process files up to 500MB with lossless merging technology.

Key features include:

  • Automatic audio-video synchronization
  • Support for MP4, MOV, AVI, MP3, WAV formats
  • Adjustable volume controls
  • Preview before exporting
  • Works on all devices and browsers

Your merged videos export optimized for YouTube, Instagram, TikTok, and professional presentations. No watermarks or hidden fees.

How to merge audio and video

Upload your video file and audio file to the merger. The tool analyzes both files and syncs them automatically for perfect alignment.

Merging steps:

  1. Click upload and select video file
  2. Upload corresponding audio file
  3. Preview merged content
  4. Adjust volume levels if needed
  5. Export and download final video

The merger processes most files in under 60 seconds. Larger files take proportionally longer based on size and duration.

All processing happens in your browser with secure file handling. Uploaded files automatically delete after 24 hours.

Who uses video and audio merger

Content creators add background music and voiceovers to social media videos. Transform silent clips into engaging content with professional audio tracks.

Educators enhance learning materials by combining lecture videos with clear narration. Add explanatory audio to visual demonstrations for better student engagement.

Marketing professionals create product demos and promotional videos with synchronized audio. Combine video footage with professional voiceover recordings for compelling presentations.

Video editors streamline post-production by quickly merging video and audio elements. Skip complex editing software for simple audio-video combination tasks.

Podcasters turn audio episodes into video content by adding visual elements. Merge podcast audio with static images or video backgrounds for YouTube distribution.

FAQ

How to merge video and audio online free

Upload both files to the merger tool, wait for automatic synchronization, then download your combined video. The service is completely free with no watermarks or subscriptions.

Can I merge audio and video on mobile

Yes, the browser-based tool works on iPhone and Android devices. Upload files directly from your phone and download the merged video to your device.

What formats does the video audio merger support

The tool accepts MP4, MOV, and AVI video files. Audio formats include MP3, WAV, and FLAC. All popular formats merge seamlessly.

Does merging reduce video quality

No, the lossless merging technology maintains 100% of your original video resolution and audio clarity throughout the process.

How long does it take to merge video and audio

Most files process in under 60 seconds. Processing time depends on file sizes, with larger videos taking proportionally longer to merge and export.

FAQ

How to merge video and audio online free

Upload both files to the merger tool, wait for automatic synchronization, then download your combined video. The service is completely free with no watermarks or subscriptions.

Can I merge audio and video on mobile

Yes, the browser-based tool works on iPhone and Android devices. Upload files directly from your phone and download the merged video to your device.

What formats does the video audio merger support

The tool accepts MP4, MOV, and AVI video files. Audio formats include MP3, WAV, and FLAC. All popular formats merge seamlessly.

Does merging reduce video quality

No, the lossless merging technology maintains 100% of your original video resolution and audio clarity throughout the process.

How long does it take to merge video and audio

Most files process in under 60 seconds. Processing time depends on file sizes, with larger videos taking proportionally longer to merge and export.

Real Results from Real Users

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Aaron

Project Manager

★★★★★

Our overall experience with ScreenApp has been nothing but pleasant! Their support is terrific, and ScreenApp is a great recording system.

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JP

Operations Manager

★★★★★

Finally, a screen recorder that doesn't slap watermarks on everything. The free plan gives me 45 minutes of AI processing monthly - that's enough for most of my training videos.

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Trina

Founder

★★★★★

I was skeptical about another AI notetaker, but ScreenApp's generous free tier completely won me over. The quality is professional-grade, and the AI features actually work as advertised. Now I use it for all my client presentations and team demos.

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Kelvin

Software Engineer

★★★★★

The desktop and mobile apps are fantastic. Recording meetings while I'm mobile has never been easier, and the dictation feature is a huge time-saver.

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Millie

Director

★★★★★

Our team was drowning in client feedback until we found ScreenApp. Now we record every presentation and client call, and the AI summaries are spot-on.

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Tanmay

Marketing Guru

★★★★★

Makes recording and sharing guides effortless. I love how I can capture my screen and instantly turn it into step-by-step guides in any format I need. Smart, simple, and a brilliant use of AI.

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Sav

Project Manager

★★★★★

Users consistently praise our web-based platform that requires no installation. Start recording in seconds, not minutes.

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Nate

Video Creator

★★★★★

The ability to automatically transcribe and summarize recordings is a major time-saver, turning video content into searchable, useful data.

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