Tonalux
Free audio tools, plugin deals and more.
Free audio tools, right in your browser.
Everything runs locally on your machine: no uploads, no account. All tools →
Audio Analyzer
LUFS, true peak, BPM, key and a spectrum for any audio file.
Open the analyzer →Reference Comparer
Switch between your mix and a reference, level-matched so loudness does not fool your ears.
Open the comparer →Media Converter
Convert audio and video between formats like WAV, FLAC, MP3, AAC and MP4, without uploading anything.
Open the converter →Today’s plugin deals.
211 active deals, collected automatically and updated twice a day. All deals →
New on the blog.
173 articles on DSP, synthesis and audio engineering, plus short news from plugin manufacturers. All articles →
New Audio Plugins This Week: October 19, 2026
Slate Digital drops 16 free plugins from SSL, Harrison, and sonible permanently. W.A. Production ships a rebuilt MIDI composer at 77% off intro. Plus a new tempo-synced effects rack, a distortion engine with real modulation, and a free experimental sound mangler.
Piano Hammer Mechanics: How Nonlinear Felt Shapes the Harmonic Spectrum
Six Inharmonic Squares: How the TR-808 Hi-Hat Made Metal Without Any Metal
Built by a sound designer and developer.
I’m Wieland, based in Wiesbaden. Sound design for games and libraries, plugin development and music production all feed into Tonalux.
More about me →
