Tools

Free tools for musicians. No account needed. Everything runs in your browser.

Master Analysis

Upload an audio file and analyze loudness (LUFS), peak levels, dynamic range, and frequency spectrum. Compare against streaming platform targets.

Read, view, and edit embedded metadata in your audio files — ID3 tags, ISRC, UPC, artwork, and more.

Optimize album artwork for every streaming platform. Resize to Spotify, Apple Music, Instagram, and more with one upload.