icon

Add Audio to Video Online

Easily add audio to video online with Async’s free video editor. Whether you need to add background music, voiceovers, or sound effects, our tool makes it effortless and professional.

Why add audio to your videos?

Audio is a key element of video storytelling, setting the tone and enhancing emotional impact. By adding music, sound effects, or voiceovers, you can make your videos more engaging and memorable. Async’s online tool allows you to seamlessly integrate audio files into your footage, making it perfect for social media, marketing content, or personal projects. With Async, you don’t need technical expertise to create polished and professional videos that captivate your audience.

icon

How to add audio to video online with Async

card 1 img
card 2 img
card 3 img
benefit img 1

Simple and intuitive audio integration

Async’s tool makes adding audio to videos a breeze, even for beginners. With an intuitive interface, you can drag and drop audio files into your video timeline, adjust volume levels, and trim or loop audio as needed. Real-time previews allow you to fine-tune your project before exporting, ensuring the final result meets your creative vision. Whether you're adding background music or a voiceover, Async provides all the tools you need.

benefit img 2

Extensive royalty-free music library

Elevate your videos with music that resonates with your audience. Async offers a rich library of royalty-free tracks and sound effects to suit any theme or mood. From energetic beats for social media to calm tunes for professional projects, you can find the perfect audio to match your content. The built-in library saves time and ensures you always have high-quality audio options at your fingertips.

benefit img 3

High-quality audio and video exports

Async ensures that both your video and audio maintain professional-grade quality during editing and exporting. Once you’ve added audio to your video, you can export it in various high-resolution formats optimized for platforms like Instagram, YouTube, and TikTok. This guarantees that your final product looks and sounds flawless, ready to impress your audience.

Discover more

Add Audio to Video OnlineAdd Music to VideosAdd Subtitles to VideoAdd Text to VideoAI Audio AssistantAI Audio EnhancerAI Content ToolsAI Noise ReducerAI Podcast Clip GeneratorAI Subtitle GeneratorAI Video AssistantAI Video EditorAI Video EnhancerAI Video UnblurAnimation VoiceoversAudio JoinerAudio LooperAudio PodcastAudio ProductionAudio RecorderAudio to TextAudio TranslatorAudiobook Recording StudioAutomatic Video EditorBirthday Video MakerBlur Video BackgroundsCar Sound EffectsChange Video Aspect RatioClip MakerCloud Video EditingCompress MP4Compress VideoCreate a PodcastCreate Marketing VideosCreate Training VideosCreate Video OnlineCrop VideoDigital Marketing VideosE-Learning VoiceoversEasiest Video Editing AppEdit MOV FilesEdit WebM FilesExplainer Video MakerExplainer Video VoiceoverExtract AudioEye Contact FixerFemale Voice ChangerFiller Word DetectionFlip VideoFunny Sound EffectsFunny Video MakerHappy Stock MusicInterview TranscriptionJazz Stock MusicLightweight Video EditorLong Video to Short VideoLoop VideoLyric Video MakerMerge Audio FilesMerge VideoMontage Video MakerMP3 Audio CutterMP3 EditorMp3 to TextMP3 to WAV ConverterMP3 TrimmerMP3 Volume IncreaserMP4 to MP3 ConverterMp4 to TextMP4 TrimmerMP4 Video CutterMP4 Video EditorMusic Video MakerMute VideoOnline Audio ConverterOnline Movie MakerOnline Video ConverterOnline Video CutterOnline Video MakerOnline Video RecorderOnline Video TrimmerPhoto to Video MakerPodcast Editing SoftwarePodcast MakerPodcast RecordingPodcast StudioPodcast TeleprompterPodcast TranscriptionPodcast Video EditorPromo Video MakerRain Sound EffectsRecord Audio on iPhoneRemote Interview RecordingRemove Background Noise from AudioRemove Background Noise from VideoRemove Music from VideoResize VideoRotate VideoSilence RemovalSocial Media Marketing VideosSocial Media Video EditorSound Effects LibrarySpeech to Text SoftwareStart PodcastingText Video MakerText-Based EditingTrailer MakerTravel Video MakerTutorial Video MakerVideo Ad MakerVideo Background RemovalVideo ClearerVideo Collage OnlineVideo Compilation MakerVideo CreatorVideo Game VoiceoversVideo Interview SoftwareVideo JoinerVideo MakerVideo MergerVideo PodcastVideo Quality EnhancerVideo Recording SoftwareVideo ResizerVideo Size ReducerVideo SplitterVideo Subtitle GeneratorVideo to AudioVideo to TextVideo TranscriptionVideo TrimmerVideo Tutorial SoftwareVideo Voice OverVoice Over RecordingVoice Over StudioVoice RecorderVoice to TextVoiceovers for PresentationsWAV EditorWAV to MP3 ConverterWebinar Recording SoftwareWedding Video MakerYouTube Sound EffectsYouTube to MP4 TrimYouTube Video CreatorYouTube Video CutterYouTube Video EditorYouTube Video MakerYouTube Video TrimmerYouTube Video Voiceovers
More tools

Frequently Asked Questions

Can I add multiple audio tracks to a single video?

Yes, Async allows you to add multiple audio tracks to your video, enabling you to layer music, voiceovers, and sound effects. With a user-friendly timeline editor, you can easily adjust the position, duration, and volume of each track. This feature is ideal for creating dynamic and engaging content, whether you’re making promotional videos, tutorials, or storytelling projects.

Is Async’s audio-to-video tool free to use?

Yes, Async offers a free version of its audio-to-video tool with essential features to help you create stunning videos. While advanced features may be available in premium plans, the free version includes the ability to add or replace audio, adjust settings, and export videos without watermarks. This ensures creators of all levels can use Async without any barriers to entry.

What types of audio files can I upload to Async?

Async supports a wide range of audio file formats, including MP3, WAV, and more. This flexibility ensures you can use your own audio recordings, licensed music tracks, or sound effects without compatibility issues. The platform’s intuitive design also makes it easy to upload, edit, and sync audio with your video footage in just a few clicks.

Can I adjust the audio after adding it to my video?

Absolutely! Async’s editor allows you to fine-tune audio after adding it to your video. You can adjust the volume, trim the track, loop it, or even sync it precisely to specific moments in your footage. These tools ensure your audio is perfectly aligned with your video’s narrative and enhance the overall viewing experience.

Does Async offer royalty-free music for videos?

Yes, Async provides access to an extensive library of royalty-free music and sound effects. These tracks cover a wide range of genres and moods, making it easy to find the perfect soundtrack for your project. By using royalty-free music, you can avoid copyright issues and create content that’s ready for social media, professional use, or personal sharing.
Your video, made by chat.
Just tell Async what you want.

From raw footage and AI-generated scenes to finished videos in one AI workflow.

Start creating for free