Video and Audio Joiner

Merging a video and audio file using our online tool is simple and user-friendly. Start by uploading your video file in formats like MP4, MOV, or WebM. Then upload the audio track you want to combine with it - formats like MP3, M4A, or WAV are supported. Once both files are uploaded, our tool will automatically align them based on their start times. You can adjust the timing if needed to sync audio and video perfectly.

Yes, our tool is completely free to use. There are no hidden charges, subscriptions, or watermarks. You can merge as many files as you need without worrying about payments. It's designed to be fast, accessible, and cost-free for everyone - from casual users to professionals looking for a quick and easy merging solution.

We support a wide range of commonly used file formats to make your experience smooth and flexible. For video files, we accept MP4, MOV, WebM, and MKV. For audio files, we support MP3, WAV, M4A, AAC, and more. This means you can merge files from various devices, editors, and recording tools without needing to convert them first.

Yes, we take quality seriously. Our merging process is designed to retain the original resolution of your video and the clarity of your audio. There's no unnecessary compression unless required to optimize the file for compatibility. You'll get a high-quality output that's ready for sharing, uploading, or storing.

Since the tool runs in your browser, file size limits depend on your device's memory and browser capabilities. For most users, files under 2GB process smoothly. If you're working with very large files, we recommend trimming or compressing them beforehand using other online tools to ensure a smooth experience.

No, everything runs right in your browser - there's no need to download or install anything. Our tool works on all modern browsers like Chrome, Firefox, Edge, and Safari. Whether you're using a desktop, laptop, or even a mobile device, the merging process is 100% online and hassle-free.

At the moment, the tool supports merging one video file with one audio track. If you have multiple audio clips, you can first combine them using an audio editor or merger tool, then upload the final track to merge with your video.

Yes, your privacy is very important to us. All file processing happens securely in your browser. We do not access, save, or share any of your content.