Is my audio uploaded to your servers?

No. Everything runs locally in your browser. Your audio never leaves your device.

Will the file size increase?

Yes. WAV files are much larger than MP3. Expect a 5–10x increase depending on duration and sample rate.

Does it work offline?

Yes, after the page loads. Processing is client side. For full offline support, add to Home Screen or use our PWA.

Any file size limits?

There are no artificial limits. Very large files may take longer to decode/encode depending on your device.

Free Online MP3 to WAV Converter

Convert audio to uncompressed WAV for the highest quality. Your files never leave your browser.

Drag & drop your MP3 file here

or Select an MP3

100% secure. Files are processed locally and never uploaded.

Free MP3 to WAV Converter Fast, Unlimited, Private

Convert MP3 to uncompressed WAV directly in your browser. Top, fast, best and lifetime free no signup, no watermarks, no uploads. Your information is 100% confidential and secure because files never leave your device.

Why convert MP3 to WAV?

Editing & Production

WAV is uncompressed and ideal for audio editing, mixing, and mastering workflows.

Maximum Compatibility

WAV plays on virtually any device, DAW, or operating system without extra codecs.

Private by Design

Client side conversion in your browser keeps your audio 100% on your device.

Popular uses worldwide

DAW Imports

Convert MP3 stems to WAV for Ableton, FL Studio, Logic Pro, Pro Tools, and more.

Broadcast & Apps

Use WAV for radio, podcasts, and apps that require uncompressed audio.

Archiving

Save important recordings as WAV for consistent quality and compatibility.

Further Editing

Trim, normalize, and process your audio after converting to WAV.

Key features

No uploads: conversion happens locally.
Free & unlimited: lifetime free, no signup, no limits.
Fast: optimized for modern browsers and devices.
Works offline: after the page loads.

How to convert MP3 to WAV online

Drag & drop an MP3 or click “Select an MP3”.
Click “Convert to WAV” and wait a moment while it processes locally.
Preview the result, then click “Download WAV”.

Global availability (GEO)

Built for users worldwide USA, UK, Canada, Australia, EU (Germany, France, Spain, Italy, Netherlands), Middle East (UAE, Saudi Arabia), Asia (India, Singapore, Malaysia, Philippines, Indonesia, Japan, South Korea), Africa (Nigeria, South Africa, Egypt), and Latin America (Brazil, Mexico, Argentina). If your browser works, our MP3 to WAV converter works free, fast, private, and unlimited.

Frequently Asked Questions

Is it private and secure?

Yes. Processing is 100% local in your browser. Your audio never leaves your device.

Is MP3 to WAV lossless?

WAV is lossless, but converting from MP3 won’t add quality back. You get an uncompressed WAV for editing and compatibility.

Will file size increase?

Yes WAV files are larger than MP3.

Does it work on mobile?

Yes. Works in modern browsers on iOS and Android.

Explore more free audio tools

Try our other tools: Video to MP3 Converter, Video to WAV Converter, MP3 to WAV Converter, WAV to MP3 Converter, Audio Cutter.