About MetaConvert

Our Mission

MetaConvert is an online MP3 converter built around a simple idea: converting audio and video to MP3 should be fast, private, and require zero effort. No signup, no software installation, and no queues.

We built MetaConvert because most online converters either upload your files to a server or bury the conversion behind sign-ups, paywalls, and ads. We wanted a tool that respects your time and your privacy — a single page where you drag a file in and a download is ready seconds later.

How It Works

MetaConvert runs entirely in your browser using modern client-side processing. When you drop a file into the converter, it is read directly from your device, transcoded in memory, and handed back to you as an MP3 download.

Nothing is uploaded. Nothing is stored. Nothing is shared. The file never leaves your device, and we never see the content you convert.

What You Can Convert

• Video to MP3: MP4, MOV, AVI, MKV, WebM, FLV, WMV, MPEG, 3GP, M4V — the audio track is extracted and saved as MP3.
• Lossless audio: WAV and FLAC files are compressed to MP3 with a significantly smaller file size.
• Compressed audio: M4A, AAC, OGG, WMA are converted to MP3 for maximum device and player compatibility.

Built for Every Device

The converter works on any modern browser: desktop, laptop, tablet, or smartphone. There is no app to install on iOS, Android, Windows, or macOS. Open the page, upload a file, and download the MP3 — the workflow is the same everywhere.

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