Video and Audio Joiner

The online video and audio merger enables you to combine MP3, MP4, WEBM, and other files into a single file.

Step 1. Upload your Video File

Or drop it here. Max file size 2 GB.

Drop any file here

What is Video and Audio Merger?

Want to merge audio and video without installing any software or dealing with complicated tools? Qooly makes the entire process remarkably simple, fast, and accessible to everyone. Whether you want to add background music to a clip, attach a professional voiceover, or completely replace a noisy and unwanted soundtrack, Qooly handles it all directly within your browser - no downloads, no installations, and no technical knowledge required whatsoever. Designed with speed, ease of use, and device-friendliness in mind, Qooly lets you combine audio and video files in a professional and polished way without ever feeling overwhelmed by complex settings or confusing interfaces. The tool works seamlessly across all devices, whether you're on a desktop computer, laptop, tablet, or smartphone. Perfect for a wide variety of use cases - including social media posts, tutorial videos, interviews, presentations, and personal creative projects - Qooly ensures that you can stay fully focused on your content rather than wrestling with technical details. Upload your files, make your adjustments, and let Qooly deliver a high-quality merged video effortlessly and reliably every single time. It's the ideal solution for creators of all skill levels.

Frequently Asked Questions

Learn more about how Video and Audio Merger works and why it's so easy.

What file formats are supported?

Qooly supports popular video formats like MP3, MP4, and WEBM. The merged file is usually exported in MP4 for maximum compatibility.

Can I merge audio and video online for free?

Yes. Qooly's audio video merger is completely free to use. You can upload your video and audio files and merge them into a single file quickly, without registration or downloads.

Why should I use an audio video merger?

Using an audio video merger lets you combine videos with music, voiceovers, or new soundtracks effortlessly. Qooly makes it easy to merge audio and video online, without installing software, giving you professional results quickly.

How do I merge audio and video with Qooly?

Simply upload your video and audio files to the tool, adjust the audio timing if needed, and click merge. Qooly processes the files in the cloud, creating a single, high-quality video ready for download.

Can I replace the original audio of a video?

Yes. Qooly allows you to remove the original soundtrack from your video and replace it with a new audio track, such as music, narration, or sound effects.

Is merging audio and video safe and private?

Absolutely. All merging is done in your browser, and no files are shared or stored. Your content stays private and is only available for download once the merge is complete.