Audiobox MP3 Converter

Convert video to MP3, M4A to MP3, MKV to MP4, and WAV — entirely on your iPhone. No cloud uploads. Your files stay private on your device.

Welcome to Audiobox MP3 Converter — your on-device audio file converter and media converter for iPhone.

Turn any audio or video into the format you need. Extract audio from video, convert M4A to MP3, export WAV, transcode MKV to MP4, and more — all without uploading your files to the cloud.

WHAT YOU CAN CONVERT • Video to MP3 — pull audio from any video file • M4A to MP3, WAV, AAC, FLAC, and more • MKV to MP4 and other video formats • Audio file converter for MP3, M4A, WAV, AAC, FLAC, OGG, Opus, and AIFF • Video converter for MP4, MOV, MKV, and WebM

WHY AUDIOBOX MP3 CONVERTER • 100% on-device — your files never leave your iPhone • Fast, private conversions with no account required • Choose bitrate and quality for lossy and lossless formats • Import from Files, Photos, or a direct link • Conversion history so you can re-convert or share results anytime

SUPPORTED FORMATS Audio: MP3, M4A, WAV, AAC, FLAC, OGG, Opus, AIFF Video: MP4, MOV, MKV, WebM

SUBSCRIPTION Audiobox MP3 Converter is free to try with 3 conversions every 30 days. Upgrade to Audiobox Pro for unlimited conversions. Payment is charged to your Apple ID account. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period.

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

TRADEMARK NOTICE This app is called Audiobox MP3 Converter. We are not affiliated with, endorsed by, or connected to any other product or service using the "Audiobox" name — on the Apple App Store, other app marketplaces, or anywhere else.