Audio Trimmer: Cut, Trim & Convert Audio Files Free Online

Cut, trim & convert any audio — right in your browser.

Waveform editor with precision zoom, fade effects, volume control & format conversion. No installs, no signup, no server uploads.

lock100% Private
boltInstant Processing
swap_horizMP3 · WAV · OGG
all_inclusiveCompletely Free
audio_file
Drop audio files here
or click to browse — one or many
MP3WAVOGGM4AFLACAAC
or drag & drop
Loading audio engine...
error
audio_file
graphic_eqWaveform
L
R
0:00Selection: 0:000:00
00:00.00Total: 00:00.00
Start
End
Duration0.00s
Space Play L Loop I Set In O Set Out ←→ Nudge +− Zoom
check_circleDone!
tuneTrim Settings
Fade In0.0s
Fade Out0.0s
Volume0 dB
Speed1.0×
Normalize Volume
Output Format
MP3 Quality
check_circleFFmpeglockClient-Side
Preparing...0%

Processing

Preparing...

Audio Trimmer

Drop audio files to start trimming. Scroll to zoom for sample-level precision. Drag L/R handles to select your trim region, adjust fade, volume, and speed, pick your format, and download. Everything runs locally — your audio never leaves your device.

Keyboard Shortcuts
SpacePlay / Pause selectionLToggle loop playbackISet selection start at playheadOSet selection end at playheadNudge selection start leftNudge selection end rightShift+←Nudge selection start rightShift+→Nudge selection end left+Zoom inZoom out0Reset zoomEscClose panel / Stop
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FAQ

Is this really free?

Yes. No limits, no account, no watermarks. Part of Chris Pirillo's Arcade — 270+ free browser tools.

Does audio leave my device?

Never. FFmpeg.wasm runs entirely in your browser. Your files stay on your machine.

What formats are supported?

Import MP3, WAV, OGG, M4A, FLAC, AAC, WMA, WebM. Export as MP3 (192kbps), WAV (lossless 16-bit), or OGG (high quality VBR).

How does this compare to mp3cut or Audacity?

No server uploads like mp3cut. No install like Audacity. Waveform zoom up to 64×, fade effects, volume, normalize, loop, keyboard shortcuts — one browser tab.

Can I adjust volume and normalize?

Yes. Volume slider adjusts gain from −20 dB to +20 dB. Normalize toggle automatically levels audio to consistent peak volume using loudnorm.

Can I change playback speed?

Yes. 0.25× to 3×. Affects the exported file — great for podcasts, transcription, or creative effects.

Can I zoom the waveform?

Scroll to zoom up to 64×. A minimap appears for navigation. Click the minimap to jump. Use + and − keys too.

What keyboard shortcuts are available?

Space play/pause, L loop, I/O set in/out points, arrows nudge selection, +/− zoom, 0 reset zoom, Esc close/stop. Full list in help.

Can I process multiple files?

Yes. Drop multiple files to build a queue. Click each to set trim points and settings, then export individually.