Open-source audio tooling, built by M-Igashi. No ads, no tracking, no accounts.
Lossless MP3/AAC volume normalizer
A modern mp3gain / aacgain replacement written in Rust. Adjusts volume by rewriting the global_gain field in each frame, so nothing is decoded or re-encoded and every change is undoable. ReplayGain 1.0 by default, opt-in BS.1770 (RG2 / R128). macOS, Linux, Windows.
Headroom and playlist prep for rekordbox → CDJ
Limiter-free headroom, Camelot key + BPM playlist sort, and CDJ-safe MP3 export for DJs who prepare in rekordbox and play off CDJs. Native Mac app and a CLI sharing one engine.
Ad-free tools for the Techno scene
A Berghain DJ database, a Cologne rave calendar, and Flashpaper secure messaging. Built by JPHFA, no ads and no tracking.