Wave editor

Audio Lab

Audio tools

Free Online Audio Editor

Trim, change volume, adjust speed, reverse, and export audio directly in your browser.

Drop an audio file here

WAV, MP3, M4A, OGG, FLAC, or WebM depending on browser support.

Choose file
File No audio
Duration 00:00.000
Selection 00:00.000

Waveform

Ready to trim

Import audio to view the waveform
00:00.000 / 00:00.000

Guide

About Audio Lab

Audio Lab is a practical browser-based audio editor for people who need fast, focused edits without installing a full desktop audio workstation.

What Audio Lab is built for

The site focuses on common audio tasks: trimming clips, changing volume, adjusting speed, reversing audio, previewing a waveform, and exporting a new file. The goal is to make those jobs understandable for casual users while still giving enough precision for cleaner results.

Audio Lab also includes editorial guides because audio editing decisions are not always obvious. A user may know they need a louder file but not understand clipping, or know they need a shorter clip but not know why a cut clicks. The guides explain those decisions in plain language.

Local-first editing model

The editor is designed around browser-side processing with the Web Audio API. That means the selected audio file is processed in the browser session for the core editing workflow rather than being uploaded to an Audio Lab processing server.

This design keeps the product lightweight and fast for everyday edits, while still being honest about browser limits: very large files depend on device memory, codec support depends on the browser, and professional multitrack work belongs in dedicated audio software.

FAQ

Frequently asked questions

Is Audio Lab a full DAW?

No. It is a focused online editor for common single-file audio tasks.

Why include guides?

Guides help users make better editing choices instead of only clicking controls without context.