Free Audio Trimmer
Cut and trim audio from any video. Select exactly the section you want.
Ready to Trim Audio?
Our main converter has a built-in audio trimmer. Upload any video, select "Trim" tool, and set your start/end times.
Go to Audio TrimmerHow to Trim Audio Online
Drag & drop any video file. We'll show you the audio waveform for easy selection.
Use sliders or type exact times to select the perfect section of audio.
Click Convert and download just the section you selected as an MP3 file.
Why Use Our Audio Trimmer?
- Visual Waveform: See your audio to select the perfect cut points
- Precise Control: Set exact start and end times down to the second
- No Quality Loss: We extract and re-encode with high-quality settings
- Works with Video: Trim audio directly from video files — no need to convert first
- Browser-Based: No software to download or install
- Free Forever: No subscriptions, no limits on usage
Common Uses for Audio Trimming
- Ringtone creation: Cut out the chorus or your favorite part of a song
- Sound effects: Extract specific sounds from longer recordings
- Podcast editing: Remove intros, outros, or unwanted sections
- Music samples: Create short clips for presentations or videos
- Audio messages: Trim voice recordings to the essential part
Audio Trimmer FAQ
You can set start and end times to the second. The waveform visualization helps you find exact cut points.
We re-encode at high quality (up to 320kbps). The result will sound great, though technically all MP3 encoding involves some compression.
Currently you can trim one section at a time. For multiple sections, simply convert multiple times with different start/end points.
How to Trim Audio Online
Trimming audio should be simple. And honestly, it is. Here's the whole process from start to finish:
- Upload your file. Head to our main converter and drop in your audio or video file. Yes, you can trim audio straight from a video without converting first.
- Switch to the Trim tool. You'll see the Trim option in the toolbar. Click it and a waveform of your audio will appear.
- Set your start and end points. Drag the sliders or type in exact times. The waveform makes it easy to see where sounds start and stop.
- Preview your selection. Hit play to make sure you've got exactly the section you want. Adjust if needed.
- Download. Click convert and your trimmed clip saves as an MP3. Done.
The whole thing takes less than a minute for most clips. No accounts, no installs, no nonsense.
When Do You Need to Trim Audio?
More often than you'd think, honestly. Here are some of the situations where audio trimming saves the day:
Making ringtones. You've got a three minute song but you only want that 20 second chorus as your ringtone. Trim it down, grab just the good part, and you're set. (We also have a dedicated ringtone maker if you want preset durations.)
Removing silence. Ever record something and there's 10 seconds of dead air at the beginning? Or awkward silence at the end? Trim those off and your audio sounds way more professional.
Clipping intros and outros. Podcast episodes with long intros. YouTube videos with 30 seconds of "don't forget to subscribe." Recorded lectures where the professor spends two minutes shuffling papers. Cut all that out.
Podcast editing. If you're putting together a podcast, trimming is your bread and butter. Cut out the parts where someone's dog started barking. Remove the section where everyone talked over each other. Keep the gold, ditch the rest.
Sound effects and samples. Need a specific sound from a longer recording? A door slam, a laugh, a specific musical phrase? Trim it out and you've got yourself a clean sample.
Tips for Clean Audio Cuts
Trimming audio is easy. Trimming it well takes a little know how. Here are some tips that'll make your cuts sound professional.
Cut at zero crossings. This is the big one. A "zero crossing" is where the audio waveform crosses the center line (silence). If you cut at a random point where the waveform is at a peak, you'll hear a click or pop at the cut point. Our waveform display helps you spot these. Try to start and end your selection at quiet moments.
Use fade in and fade out. Even a tiny fade of half a second can make a cut sound smooth instead of abrupt. This is especially important for music, where a hard cut in the middle of a note sounds jarring. If your result sounds too choppy, a quick fade fixes it.
Don't cut mid word. This seems obvious, but it's easy to accidentally clip the beginning or end of a word when you're trimming spoken content. Always give yourself a tiny buffer of silence before the first word and after the last word. Your ears will thank you.
Listen before you download. Always preview your trimmed clip before committing. It takes two seconds and saves you from having to redo the whole thing because you accidentally cut off the last syllable.
Supported Audio Formats
Our trimmer handles pretty much every audio format you'll encounter. Here's what you can work with:
MP3 is the universal audio format. Everyone knows it, everything plays it. It's compressed, so files are small, but the quality is good enough for most purposes.
WAV is uncompressed audio. The files are huge, but there's zero quality loss. If you're working with professional recordings or need pristine audio, WAV is what you want.
OGG (Vorbis) is an open source alternative to MP3. It actually sounds slightly better at the same bitrate. You'll see these in games and some web applications.
FLAC is lossless compression. Think of it as a ZIP file for audio. The files are smaller than WAV but there's absolutely no quality lost. Audiophiles love FLAC.
M4A and AAC are Apple's preferred formats. They're what iTunes and Apple Music use. Quality is excellent, often better than MP3 at the same file size.
And remember, you can also trim audio directly from video files. So MP4, MOV, AVI, MKV, and WebM all work too. No need to convert the video first.
Frequently Asked Questions
Does trimming audio reduce the quality?
Technically, yes. When you trim, the selected section gets re-encoded as an MP3. But at high bitrates like 192kbps or 320kbps, the quality difference is practically impossible to hear. For spoken word content like podcasts or lectures, you genuinely won't notice any change.
What audio formats can I trim?
You can trim MP3, WAV, OGG, FLAC, M4A, and AAC files. You can also trim audio directly from video files like MP4, MOV, AVI, MKV, and WebM without needing to convert them first.
Can I trim multiple sections from the same file?
Right now, you can trim one section per pass. If you need multiple clips from the same file, just run the trimmer again with different start and end points. Each pass only takes a few seconds, so it's still pretty quick.
How precise is the trimming?
You can set your start and end times down to the second. The waveform visualization makes it easy to see exactly where sounds begin and end, so you can place your cuts with confidence.
Is there a maximum file length I can trim?
There's no hard limit built into the tool. Since everything runs in your browser, it really comes down to your device's available memory. Most modern phones and computers handle audio files that are several hours long without any issues.