DollarWise

Free Audio Converter — MP3, WAV, OGG Online

October 10, 2026 · 3 min read · By the DollarWise team

Convert audio files between formats without uploading them anywhere. Drop in an MP3, WAV, OGG, or M4A, pick your output format, and download the converted file — all in your browser. One honest note up front: browsers can’t encode MP3 natively, so MP3 output isn’t available here — WAV output is lossless and plays everywhere, and WebM gives you small files. Your files never leave your browser.

Audio Converter

Convert MP3, WAV, OGG & M4A to WAV, WebM, or OGG — free, in your browser.

100% Free Forever No Sign-up No Credit Card Private — files never leave your browser Unlimited Use

1 Add your audio file

Drag & drop your audio here or click to browse — MP3, WAV, OGG, M4A

    2 Output format

    Honest note: browsers can't encode MP3, so there's no MP3 output — WAV plays in every app instead.

    3 Convert & download

    Working…

    🔄 Conversion

    Add an audio file above to convert it.
    🎉 Free forever. No sign-up. No credit card. No limits.

    This tool runs entirely in your browser — convert as many files as you like.

    How it works

    1. Upload any audio file — MP3, WAV, OGG, or M4A. Your browser decodes it locally.
    2. Pick an output format:
      • WAV — lossless, uncompressed, plays in literally every app and device. Biggest files.
      • WebM (Opus) — tiny files with excellent quality. Great for the web and messaging apps.
      • OGG — the open-source standard, also using modern Opus/Vorbis encoding where your browser supports it.
    3. Convert — WAV encodes instantly; WebM and OGG convert in real time through your browser’s built-in recorder at your chosen bitrate.
    4. Download — the converted file saves straight to your device.

    Your files never leave your browser — no uploads, no accounts, no conversion queues.

    Everyday uses

    • Compatibility fixes — convert an OGG voice note to WAV so it plays in any editor or phone.
    • Smaller uploads — turn a huge WAV recording into a tiny WebM before attaching or sharing.
    • Podcast & video workflows — normalize everything to WAV before editing for maximum quality.
    • Web developers — generate WebM/OGG versions of audio for HTML5 players.
    • Archiving — keep a lossless WAV master of important recordings.

    Good to know: converting from one lossy format to another (MP3 → WebM) can’t restore quality lost in the original compression — it only avoids losing more. For best results, convert from the highest-quality source you have, and keep a WAV master of anything important.