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Audio Editor

Online Audio Editor

Upload — then remove background noise, clean audio, edit, and export as an MP3 or MP4

Upload Audio

Everything you need to edit audio online — powered by AI

Free to start. Trusted by 35M+ creators. Powered by ElevenLabs.

Remove background noise from audio in seconds

Upload any audio or video file, including MP3, WAV, M4A, MP4, and more.

Use Kapwing's Clean Audio tool to remove background noise, trim silences, layer music, and download a clean audio file in under 60 seconds.

Start with a podcast episode, voice over, or video — get studio-quality audio instantly. No software install. Works in your browser.

Edit Audio

Two people playing guitar outside with the Clean Audio feature overlaid

Edit any voice recording — podcasts, voice overs, interviews

Kapwing's online Audio Editor delivers finely tuned voice recordings, no matter the source.

Ensure key messages land with crystal-clear pronunciation and minimal background disturbance.

Voice-over artists use the built-in Teleprompter for smooth script delivery, while YouTubers rely on Smart Cut to remove unwanted silences.

Start Recording

A podcaster smiles as they record into a microphone

Trim, split, and layer music online

Kapwing's Audio Editor works as a free online music editor — add background music from a library of 100+ royalty-free tracks and combine with sound effects.

Drag and drop songs directly into your editing timeline to keep audiences engaged.

Advanced tools like Split Vocals, Smart Cut, and the AI Sound Effect Generator give you full control over every layer of your audio.

Explore Music

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Separate vocals from audio and video files in one click

Detach audio from video and isolate vocals from music in one click. AI-powered frequency detection instantly separates human voices from instrumentals, giving you two clean tracks for remixing, karaoke, or content repurposing.

Use the free online song editor to split, rearrange, and adjust tempo and layers with precision on both licensed and royalty-free tracks.

Split Vocals

Edit with AI — clean, enhance, and remix automatically

Kapwing's AI Audio Editor handles the time-consuming parts of audio production

Removes background noise and echo in one click

Clean Audio

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Share your story with crystal-clear audio

Millions of creators use Kapwing's Audio Editor every month

YouTubers

Cut silences automatically with Smart Cut, add subtitles, and resize for YouTube Shorts

Podcasters

Remove background noise, clean up recordings, and export as high-quality MP3 files or share a link directly with teammates

Social Media Managers

Repurpose long recordings and MP4 footage into short clips with AI clip selection

A marketer presents to camera, caption reads "Can you guess which of these voices is AI?"

Marketers

Record with teleprompter, enhance voice clarity, and export broadcast-ready audio

Edit, transcribe, and repurpose audio content

Turn recordings into transcripts, short clips, and social-ready content — all in one place

Transform audio content to fit any text-based project

Think converting MP4 to MP3 is as good as it gets? Think again.

Use advanced AI to turn audio files into valuable text. Automatically generate transcripts for videos, podcasts, voice notes, lectures, and keynote speeches for a diverse content strategy.

Get Transcript

Two podcasters talk to one another with Subtitles overlaid

Find key moments to repurpose on social media

For audio or video longer than a few minutes, Kapwing's Repurpose Studio automatically pulls the best moments and converts them into short clips.

Guide the AI by specifying the type of clips you need, including topics and clip duration, and populate TikTok, Instagram, and Facebook channels in minutes.

Repurpose Audio

●Thoughtfully Unique

What's different about Kapwing?

Six reasons creators stay in flow: faster edits, smarter tools, and collaboration that actually keeps projects moving.

Easy

Start creating immediately with thousands of templates and copyright free videos, images, music, and GIFs. Repurpose content from the internet by pasting a link.

Free

Kapwing is completely free to start. Just upload a video and start editing. Supercharge your editing workflow with our powerful online tools.

Collaborative

Quickly review and share feedback with your team using real-time comments in shared workspaces. Save assets to your Brand Kit for easy access.

Online

Kapwing is cloud based, which means your videos are wherever you are. Use it on any device and access your content anywhere in the world.

No spam or ads

We don't serve ads: we're committed to building a quality, trustworthy website. And we will never spam you nor sell your information to anyone.

AI-Powered

Kapwing uses the latest advanced AI models to power generative AI and one-click editing tools.

●Step by Step

How to Edit Audio Online

Step 1
Upload audio
Upload audio files to the online audio editor — MP3, AVI, M4A, and other audio file formats are supported
Step 2
Edit audio
Clean, trim, enhance, and edit your audio files using Kapwing's AI-powered tools in the right toolbar
Step 3
Export and download
Export audio as MP3 and download, or convert to a different format such as MP4

●Just the FAQs

Frequently Asked Questions

We have answers to the most common questions that our users ask.

Can I use Kapwing's Audio Editor for free?

Yes, Kapwing's Audio Editor is free to start.

Free: Trim, split, adjust volume, speed, add music, basic MP3/MP4 export with watermark
Pro: Clean Audio (AI noise removal), Smart Cut, watermark-free exports, unlimited processing

Is there a watermark on exports?

If you are using Kapwing on a Free account then all exports will contain a watermark. Once you upgrade to a Pro account the watermark will be completely removed from your creations.

How do I turn audio into video?

Kapwing supports a wide range of audio file formats, including MP3, WAV, WMA, and more. To convert your audio to video, just upload your audio file, click 'Export Project,' and choose 'MP4' as the output format.

How can I remove background noise from audio?

Upload your audio file or paste a URL. Then, head to 'Edit' in the right-hand toolbar and choose 'Clean Audio.' Our AI-powered tool will automatically reduce background noise for a clearer, more professional sound. Once complete, you can export your polished audio. Please note that exporting a finalized project with AI enhancements requires a paid subscription.

How does the 'Smart Cut' tool work?

Powered by advanced AI to streamline your editing process, 'Smart Cut' automatically detects and removes silent sections from your audio or video, making the process 10x faster. With an adjustable silence sensitivity bar, you have full control to fine-tune the precision of each cut

What is the best audio format to use?

The best audio format for most purposes is MP3. This is due to its wide compatibility, small file size, and good quality. For higher quality without worrying about compression loss, WAV is recommended, especially for professional editing, as it retains full audio fidelity.

Does the Audio Editor work on mobile?

Yes, Kapwing's Audio Editor is compatible with all mobile devices, including Android and iPhone. Kapwing is an online tool, with no downloads of app installments required — Simply log in and get started. For the best experience, we recommend using Google Chrome as your browser.

Can I use the Audio Editor for YouTube videos?

Yes, Kapwing's online Audio Editor is an excellent choice for creating content for all social media platforms, including YouTube. Many YouTubers use Kapwing for its powerful features, including:

Smart Cut: Automatically remove silences, pauses, and stutters.
Teleprompter: Easily read your script while recording.
Clean Audio: Eliminate distracting background noise.
Auto-Size Templates: Perfectly fit your content for YouTube and YouTube Shorts.
Auto-Subtitles: Quickly generate subtitles using AI.
Translation: Convert audio into over 70 languages for a broader reach.
Speaker Focus: Automatically shift focus between speakers in a multi-voice video.

How can I use AI to enhance my audio content?

Speed up your editing workflow with these powerful AI-driven features:

Remove Background Noise: In one click, Kapwing cleans and removes distracting background noise, ensuring your primary audio stands out clearly and professionally

Auto-Remove Silences: Kapwing’s Smart Cut feature automatically detects and removes silences, pauses, or unwanted takes in your video or audio — perfect for talking head videos or podcasts
Generate Custom Songs: Chat with Kapwing's AI assistant, Kai, to create unique, royalty-free songs. Easily incorporate them into your existing audio content

How long does it take to process audio when removing background noise?

Most files are processed in under 30 seconds. Longer recordings (over 30 minutes) may take up to 2 minutes.

Does Kapwing work without downloading software?

Yes. Kapwing is 100% browser-based. You can edit audio on any device — Mac, Windows, Linux, Android, or iPhone — directly in Chrome, Safari, or Firefox. No software installation is required.

Real teams creating on Kapwing

Already transforming video creation across industries

Hear directly from the teams who publish faster, collaborate better, and stay ahead.

View all reviews

It just works!

Kapwing is incredibly intuitive. Many of our marketers were able to get on the platform and use it right away with little to no instruction. No need for downloads or installations - it just works.

Eunice Park

Studio Production Manager at Formlabs

With Kapwing, we're always ready to create.

Kapwing is an essential tool that we use in MOXIE Nashville every day. As a social media agency owner, there's a variety of video needs that my clients have. From adding subtitles to resizing videos for various platforms, Kapwing makes it possible for us to create incredible content that consistently exceeds client expectations. With Kapwing, we're always ready to create - from anywhere!

Vannesia Darby

CEO at MOXIE Nashville

Spend less time learning... and more time crafting stories.

Kapwing helps you spend less time learning complex video editing platforms and more time crafting stories that will connect with your audience and customers. We've used the platform to help create engaging social media clips from our clients' podcasts and we can't wait to see how the platform simplifies this process going forward. If you've learned graphic design with Canva, you can learn video editing with Kapwing.

Grant Taleck

Co-Founder at AuthentIQMarketing.com

It keeps getting better!

Kapwing is probably the most important tool for me and my team. It’s always there to meet our everyday needs in creating scroll-stopping and engaging videos for us and our clients. Kapwing is smart, fast, easy to use and full of features that are exactly what we need to make our workflow faster and more effective. We love it more each day and it keeps getting better.

Panos Papagapiou

Managing Partner at EPATHLON

By the far the most user friendly software to use.

As a housewife at home looking to start a YouTube channel for fun with absolutely zero editing experience, it was so easy for me to teach myself via their YouTube channel. It takes the tediousness out of editing and encourages creativity. As long as Kapwing is around, I will be using their software.

Kerry-lee Farla

Youtuber

Kapwing is my secret weapon!

This is one of the most powerful, yet inexpensive and easy-to-use video editing software I've found. I blow my team away with how fast and efficiently I can edit and turnaround video projects.

Gracie Peng

Director of Content

Kapwing is king.

When I use this software, I feel all sorts of creative juices flowing because of how jam-packed with features the software really is. A very well-made product that will keep you enticed for hours.

Martin James

Video Editor

Love this site.

As an English Foreign Language Teacher, this site helps me to quickly subtitle interesting videos that I can use in class. The students love the videos, and the subtitles really help them to learn new vocabulary as well as better understand and follow the video.

Heidi Rae

Education

Excellent subtitling features

[It] works perfectly for me. Have been using Kapwing for a year or so, and their automatic subtitle tool gets better and better every week, it's rare that I have to correct a word. Keep up the good work!

Natasha Ball

Consultant

Best online video service ever. And a miracle for deaf people.

[Subtitler] is able to autogenerate subtitles for video in almost any language. I'm deaf (or almost deaf, to be correct) and thanks to Kapwing I'm now able understand and react on videos from my friends :)

Mitch Rawlings

Information Services Freelancer

This tool should be in every social media account managers' bookmark list.

I use this daily to help with video editing. Even if you're a pro video editor, there is no need to be spending hours trying to get the format correct. Kapwing does the hard work for you.