Lightning-quick editing for MP3, AVI, MKV, and more
Kapwing's online Audio Trimmer is perfect for creators of all skill levels, whether cutting podcasts into preview clips or cropping songs into bite-size beats. Simply drag the edges of your audio file to adjust its length or use the "Trim" button on the right-hand toolbar for lightning-quick edits. Export your final project as an MP3 or MP4 and start sharing your content with a broader online audience.
Our audio cutter goes beyond trimming MP3s — it supports a wide range of file formats. Upload files like MP4, MP3, WAV, MKV, MOV, and more, or paste a direct link from social media sources such as YouTube. With the one-click "Detach Audio" feature, you can easily extract audio from any video, simplifying the editing process for music videos, advertisements, and interviews.
Enhance your audio effortlessly with Smart Cut, ensuring every project has a polished and professional sound regardless of your recording setup. Kapwing’s AI-powered tools streamline the editing process by automatically removing silences from audio and voice recordings with just one click. Unwanted pauses, stutters, and heavy breathing are instantly eliminated, saving you hours of manual editing.
Pair this with the Remove Background Noise tool, which minimizes room echoes and distracting sounds, and you have a comprehensive audio editing solution to address any recording challenge.
Kapwing's versatile audio cutter makes it easy to trim, cut, and split long audio or video content into smaller sections. It’s an essential tool for podcasters creating bite-sized clips for social media, offering complete control over the editing process. For added speed and convenience, Kapwing’s Repurpose Studio automatically analyzes videos and generates a collection of shorter clips, eliminating the editing process and letting you skip straight to sharing.
Creators in every niche trim and cut audio with Kapwing
Podcasters use our free audio trimmer to cut out pauses, stumbles, or remove background noise in their recordings to achieve polished, professional episodes
Social media content creators on Instagram, TikTok, and Twitter use Kapwing's audio trimmer to extract short, scroll-stopping soundbites from longer videos or podcasts
Event organizers and content marketers use our online audio trimmer to capture exciting moments and craft event promos and recaps from live events and interviews
Authors and narrators use Smart Cut to trim excess silence, long pauses, or mistakes and create smooth, clear audiobooks ready for distribution
YouTubers trim audio from their footage to sync perfectly with visuals, remove unwanted sounds, and emphasize key moments in their video content
Kapwing's free audio cutter helps creators turn interviews, testimonials, and product demos into compelling, concise audio ads for social media campaigns
Digital marketers trim audio online to create batches of short, catchy jingles or promotional music clips for use in branding, advertising, and social posts
Online educators refine recorded webinars and course content with Kapwing's mp3 cutter, removing awkward pauses or irrelevant sections to create a more engaging experience
Singers and bands use the audio clipper to select and extract catchy choruses or dramatic instrumental breaks in their songs, creating polished promos for upcoming releases
Upload an MP3, MP4, or WAV file from your device or paste a direct URL link to an online audio or video clip (such as YouTube)
Drag the front or end of your audio clip to trim the content. If you've uploaded a video, first detach the audio by right-clicking on the video. Alternatively, use the "Trim" section under "Edit" on the right-hand toolbar.
Click "Export Project" when your project is finalized and "Download" to save it to your device
If you are using Kapwing on a Free plan then all exports — including from the Audio Trimmer — will contain a watermark. Once you upgrade to a Pro plan the watermark will be completely removed from your creations.
Yes, the Kapwing Audio Trimmer is available for free and also includes all manual splitting and cutting tools. However, to use the AI-powered Smart Cut and Remove Background Noise tools, a Pro account is needed.
Yes, you can trim a WAV file using an audio trimmer that supports WAV files or convert them into a more universally compatible file type like MP3. Some tools that support WAV include iMovie and Windows Media Player.
If you want to edit a WAV file, you can use an in-browser audio trimmer like Kapwing, which is integrated with an online video editing suite. This way, you can edit your WAV file and add waveforms, clean audio, and even add an image for subtitles.
To cut part of an audio track, you need an audio editor or audio clipper such as Kapwing. Most audio clippers have a playhead you can adjust to make precise cuts. Move the playhead to the section you want to remove, split the section where it begins and ends, and delete.
Then, either stitch your other sections back together or add in new audio to replace the removed portion. Depending on what tool you use, you can cut part of your audio track to make a compressed, smaller audio file or save only the valuable parts you want to keep.
You can trim audio on an iPhone using an app or an online audio trimmer such as Kapwing. When choosing an audio trimmer, make sure it supports the type of audio files you're working with. On an iPhone, you most likely have WAV files.
Using a free audio trimmer like Kapwing can help you trim audio directly in your phone's web browser. Simply upload your audio or video content to Kapwing.com and use the "Trim" tool in the right-hand sidebar under "Edit". Kapwing also works on any smartphone, including Samsung Galaxy, Google Pixel, and many more.
Kapwing works on any device and browser, though we recommend Chromium-based browsers like Google Chrome and Microsoft Edge. Kapwing also works on iOS and Android mobile devices. Since Kapwing is an online web-based software, it also works across Windows, Mac, and other desktop devices.
Kapwing's audio cutter works with a wide variety of popular file types for audio, including MP3, WAV, MKV, WebM, FLAC, and OGG. You can also upload M4A files and either play them or convert them to MP3, though Kapwing's media library can't save M4As for you. Note that audio exports in Kapwing will always be MP3, as we feel this format represents the best tradeoff between file size and quality.
Larger audio files are generally higher quality, but they're also harder to share. It's a catch-22: the better the quality, the more time-consuming the transfer. There are four main reasons audio quality decreases when you send it to someone:
Using an online audio trimmer or an MP3 cutter can help minimize file size without compromising your audio’s fidelty. By trimming redundant and unwanted parts of your audio directly in the browser, you can streamline your content and preserve high-quality files for easy sharing. Kapwing's audio trimmer offers a simple, efficient way to manage file size and enhance the quality of your audio projects.
Kapwing is free to use for teams of any size. We also offer paid plans with additional features, storage, and support.