Free Audio tools

HoRNet Tools is a collection of 100% free online utilities built for producers, mixers, and audio engineers. From tap tempo and metronome to timing calculators, frequency and note converters, dB/voltage conversions, and RC filter design helpers, everything is designed to be quick, clear, and practical—so you can get the numbers you need in seconds. No install, no signup: just free tools that help you work faster and make better decisions.

LFO Rate Calculator

All Tools

📀 Bit Depth & Dynamic Range 👆 BPM Tapper 🎸 Chord Key Analyzer 📉 Compressor Settings Calculator ⏱️ Delay Calculator 🎼 Frequency to Note 🎚️ Gain Reduction Target 📏 Headroom Calculator 📐 Linear / Voltage to dB 🎤 Metronome 🎵 Note Length to Samples 🎹 Note to Frequency 🔊 Pan Law Calculator 📡 Phase Correlation Guide 🧰 RC Filter Calculator (1st Order) 🔄 Sample Rate Converter 📊 Sample to Milliseconds ⏱️ Tempo to Milliseconds