Audio Trimmer
Slice audio precisely with start/end sliders — export WAV.
See how it works
Watch a quick simulation of this tool in action — no file needed.
1. Click the drop zone — pick an audio file (MP3, WAV, M4A).
How to use Audio Trimmer
Follow these steps — everything happens instantly in your browser.
- 1
Step 1. Drop an audio file (or a video — we take its audio track).
- 2
Step 2. The browser decodes it with Web Audio API.
- 3
Step 3. Drag the Start and End sliders to select the range.
- 4
Step 4. The waveform updates to show just your selection.
- 5
Step 5. Click “Trim selection to WAV” to download the slice as 16-bit PCM WAV.
Why use this tool
Private by design
All processing happens locally in your browser. Open DevTools → Network and you'll see zero file uploads. Ever.
Instant
No upload wait, no queue, no server round-trip. Results appear the moment you drop a file.
Free & unlimited
No accounts, no watermarks, no daily caps. Use it as many times as you like, forever.
Works everywhere
Desktop, tablet or phone — every tool is responsive and installable as a PWA for offline use.
Frequently asked questions
Everything you might want to know about audio trimmer.
Extract Audio
Pull the audio track out of any video as a WAV file — local only.
Mute Video
Strip the audio from a video and keep just the picture.
Change Video Speed
Speed up or slow down a video in your browser (0.5×–2×).
Video to GIF
Turn a short clip into an animated GIF — fully in-browser.