Remove silence automatically
Select audio or video and AutoTrim trims silent parts for you—on your device.
AutoTrim automatically finds and removes silent parts from your audio and video recordings—on your phone—so you spend less time editing and more time creating.
Stop wasting time cutting silence
Manual silence cutting is slow, boring, and eats hours of editing time. AutoTrim does it for you.
Everything you need to trim dead air
Automatic silence detection, preview controls, and exports—all on your device.
Automatic silence removal
AI finds silent sections and removes them—no manual cutting required.
Audio & video import
Pick audio files or videos; audio is extracted from video on-device.
Adjustable trim settings
Silence threshold and minimum silence duration controls let you tune aggressiveness.
Waveform preview
Preview before export; purple = kept, dim = trimmed.
Built-in player
Play trimmed files with waveform visualization and skip ±10s controls.
History
Search, filter, play, share, and delete trimmed files from one place.
Multiple export formats
Export MP3, WAV, and M4A. Import MP4 video for on-device audio extraction.
On-device processing
Files stay on your device. AutoTrim does not upload your audio to servers.
Dark / light mode
System, light, or dark appearance—comfortable for late-night editing sessions.
See AutoTrim in action
Waveform preview, trim controls, history, and export flow.
How it works
Four simple steps from raw recording to polished audio.
Choose an audio file or video from your device.
Set how aggressive silence removal should be.
AutoTrim removes dead air automatically.
Preview, save to History, share, or save to device.
Built for creators who hate dead air
What do you edit most often? AutoTrim works for all of these.
Remove awkward pauses
Speed up editing
Clean lecture recordings
Cleaner meeting recordings
Polish quick recordings
Cut the silence. Keep the sound.
Unlimited trimming, batch processing, and faster exports with AutoTrim Pro.
Billed monthly · Cancel anytime
- ✓ Unlimited trimming
- ✓ Batch processing
- ✓ Advanced detection
- ✓ Pro export formats
About $1.08/month · Billed annually
- ✓ Unlimited trimming
- ✓ Batch processing
- ✓ Advanced detection
- ✓ Pro exports: WAV, M4A, MP3, MP4, MOV
Pay once · Keep forever
- ✓ All Pro features
- ✓ No recurring fees
- ✓ Future updates included
Free tier available — continue with Free after onboarding.
Loved by creators
Real time savings from podcasters, vloggers, and students.
★★★★★"In just two weeks, my podcast editing dropped from 4 hours to under 90 minutes with AutoTrim Pro."
★★★★★"I trimmed a 45-minute vlog in under 10 minutes. The preview controls are exactly what I needed."
★★★★★"Lecture recordings used to take hours to clean up. Now I export polished audio before every class."
Your files stay yours
Privacy-first design for sensitive recordings, meetings, and personal audio.
AutoTrim trims audio on your device. It does not upload audio to servers.
History and trimmed files stay on your phone until you delete or share them.
Permissions are used only to open, save, and share files you choose.
FAQ
Quick answers before you download.
What file formats does AutoTrim support?
Import MP3, WAV, M4A, and MP4 (video). Export trimmed audio as MP3, WAV, or M4A. Video audio is extracted on-device before trimming.
Does AutoTrim upload my files?
No. Processing happens on your device. Your audio and video files are not uploaded to servers.
Can I preview before exporting?
Yes. The waveform preview shows what will be kept (purple) and what will be trimmed (dim) before you export.
What's included in AutoTrim Pro?
Unlimited trimming on every file, batch processing, advanced silence detection controls, and pro export formats including WAV, M4A, MP3, MP4, and MOV.
Is there a free version?
Yes. You can continue with the free tier after onboarding. Pro unlocks unlimited trimming, batch processing, and advanced controls.
Who is AutoTrim for?
Podcasters, video creators, students, professionals with meeting recordings, and anyone who records voice notes and wants to remove dead air fast.
Ready to cut the silence?
Download AutoTrim and spend less time editing—more time creating.