HOFA is a German audio company based in Karlsdorf that began as a recording studio in 1988 and expanded into software development in 2010. The company operates several divisions under the HOFA name, including HOFA-Studios, HOFA-College (an audio engineering school), HOFA-Akustik (acoustic treatment), and HOFA-Plugins, with its plugin development rooted in decades of practical studio production experience.

HOFA-Plugins is best known for its IQ-Series of mixing tools, which includes the IQ-EQ, IQ-Comp, IQ-Limiter, IQ-Reverb, IQ-DeEsser, IQ-Transient and IQ-Analyser. The company also develops the modular SYSTEM plugin framework, featuring modules such as DelayPro, Ducker, DigiDestroy, MasterLimiter and Saturator, along with the Colour series (including Colour Saturator and Colour Delay) and mastering applications like HOFA CD-Burn & DDP. A range of free plugins and impulse-response packs rounds out the catalog.

Products are delivered as VST3, AU and AAX plugins compatible with major DAWs including Pro Tools, Logic Pro, Ableton Live, Cubase, Studio One, Reaper, FL Studio and Bitwig. HOFA is typically associated with mixing, mastering and sound design tools aimed at both project studios and professional engineers.

HOFA has 12 products cataloged on Equipboard, including Utility Plugins, EQ Plugins, and Spectral Analysis Plugins. Their gear is featured by 3 artists, with the strongest followings in Electronic, Pop, and Hip Hop. Notable users include Boris Brejcha, Dj Graf B, and FewJar.