Convert MP3 & Edit Audio Metadata
SoundMeta is a free, browser-based MP3 converter and audio metadata editor. Upload a WAV or MP3 file, edit ID3 tags, embed album art, and download your finished MP3 — instantly, with no account and no file uploads. Your audio never leaves your device.
Frequently Asked Questions
What audio formats can SoundMeta convert?+
SoundMeta accepts WAV (16-bit and 24-bit) and MP3 files as input and converts them to MP3. You can choose 128, 192, or 320 kbps output quality.
How do I edit MP3 metadata?+
Upload your audio file, fill in the metadata fields (title, artist, album, year, genre, ISRC, composers, record label), optionally add album artwork, then click Convert to MP3. The downloaded file will contain all your metadata embedded as ID3v2 tags.
Is SoundMeta free to use?+
Yes. SoundMeta is completely free with no account, subscription, or download required. It runs entirely in your web browser.
Do you store my audio files?+
No. SoundMeta processes all audio entirely within your browser using the Web Audio API. Your files never leave your device and are never uploaded to any server.
What's the file size limit?+
SoundMeta supports audio files up to 100MB and album artwork images up to 10MB.
How do I add album art to an MP3?+
In the Album Artwork field, upload a JPG, PNG, GIF, or WEBP image (up to 10MB). The image will be embedded into the converted MP3 file as cover art.
Can I batch convert multiple files?+
SoundMeta currently converts one file at a time, allowing you to set precise metadata for each track individually.