Add Audio to Your Videos Online – Easy & Free

Easily add audio tracks to your video files in seconds. Upload your video and audio file (MP3, WAV, AAC, etc.), adjust settings like volume and sync, and convert to MP4, AVI, MKV, or any other format. Works directly in your browser — no installation, no registration, no cost. Fast, secure, and completely free.




The max upload size for video is 2GB.
By uploading, you confirm you have the right to use this content and accept our Terms of Use.

Please wait...
0%



How it works

Add URL or select a file

1. Add URL or select a file


Adjust the settings you need

2. Adjust the settings you need


Press the start button

3. Press the start button


Download the file or preview online

4. Download the file or preview online


How it works

Add URL or select a file Adjust the settings you need Press the start button Download the file or preview online
1. Select a file
2. Adjust the settings you need
3. Press the start button
4. Download the file or preview online


Supports All Major Audio Formats

We accept popular audio formats like MP3, WAV, AAC, OGG, FLAC, and more. Whether you need to add background music, voiceover, or replace the existing audio, our tool ensures seamless integration into your video. Perfect for creating multimedia content, enhancing videos, or adding sound effects.

Adjust Volume & Sync Audio

Control the volume of the added audio to ensure perfect balance with your video. You can also synchronize the audio to match specific parts of your video, making it easy to align dialogue, music, or sound effects precisely where you want them.

Convert to Any Video Format

Select your preferred output format: MP4, AVI, MOV, MKV, WEBM, FLV. Whether you need compatibility with social media, devices, or editing apps, we support all major video formats. The choice is yours!

Fast & Secure Processing

Your video and audio are processed on high-performance servers — much faster than desktop tools. The entire process happens in the cloud, so your device won’t slow down. And once done, your files are automatically deleted from our servers within hours.

No Registration, No Hidden Fees

This audio addition tool is 100% free — no sign-up, no login, no trial periods. You can add audio to as many videos as you want, as often as you need. No ads, no paywalls, no limits.

Works on Any Device

Use the tool on Windows, Mac, Linux, Android, or iPhone. It works in all modern browsers like Chrome, Firefox, Safari, and Edge — no installation required. Just visit, upload, add audio, and download.

Try it

© Super-Converter . All rights reserved.
About us Terms of Use Privacy Policy Contact Us