🎧 Audio tools & online calculators for mixing, mastering & music production
Our free online calculators and tools will help youMusic Production, at themixing, masteringand when preparing your songs for streaming or vinyl. Whether you need to find the ideal release time for yourCompressorWhether you want to determine the song length based on BPM, calculate your maximum playing time for vinyl mastering – here you will find practical tools for your everyday studio work.
All tools are browser-based, free to use and are regularly updated.
Table of Contents
– 🔊 Audio Compressor Release Time Calculator– 🎚️ Hourly rate price calculator for recording studios– 🎯Mixing & Mastering Quiz– ⏱️BPM calculator– 🤖Suno Prompt Generator– 🔈Loudness Meter (LUFS Analyzer)– 💿 Vinyl Time Calculator (coming soon)– 🎛️ LUFS vs. Dither Amount Tool (coming soon)– 📐 Gain Staging Calculator (coming soon)
🔊 Audio Compressor Release Time Calculator
Find the optimal release time for your compressor, limiter, or multiband compressor based on BPM, material type, and attack time. Ideal for vocals, drums, or mastering applications.
🎚️ Hourly rate price calculator for recording studios
Find out in just a few steps how you, as a recording studio, freelancer, or audio professional, can calculate your optimal hourly rate – transparently, fairly, and individually.Our price calculator takes all relevant costs, reserves, and your desired profit into account. So you know exactly what price you should offer your services at – whether mixing, mastering, or a full service.
Ideal for studio founders, self-employed people & established professionals!
🎯 Mixing & Mastering Quiz
Test your audio know-how in our interactiveMixing & Mastering Quiz– free, directly in the browser and with immediate feedback on every question.Whether you're a beginner or a pro, test your knowledge of topics like signal flow, EQ, compressor, gain staging, loudness (LUFS), and more.At the end you will receive your evaluation with score and personal learning tips.
🥁 BPM calculator
With our freeBPM calculatoryou can quickly and reliably find out the speed (beats per minute) of your song.Whether for DJ sets, remix work, or the correct setting of effects – the calculator shows you the precise tempo of your tracks.Easy to use, directly in the browser and completely free.
🤖 Suno Prompt Generator
With our free Suno Prompt Generator, you can create clear prompts for better AI songs in seconds. Simply select the genre, mood, and tempo. Optionally, you can add instruments and a lyrics template. Then, copy the finished output directly into Suno.
Ideal for beginners, content creators, and producers who want to achieve stable results quickly. Everything runs in the browser and is free to use.
🔈 Loudness Meter (LUFS Analyzer)
With our freeLoudness MeterMeasure the Integrated LUFS and True Peak (dBTP) of your songs directly in your browser – no uploading required. Instantly see how loud your track sounds on Spotify, YouTube, Apple Music, and other platforms, and whether it stays well below the True Peak limit. Measure individual songs or an entire album at once.
❓ Frequently asked questions about our online calculators
How much do the audio calculators cost?
All tools and calculators are completely free and can be used without registration.
Can I also use the tools commercially?
Yes – whether you work as a musician, producer or sound engineer, our tools can be used freely.
How accurate are the calculations?
The calculation formulas are based on standardized audio parameters and have been validated by experienced sound engineers. They provide practical approximate values.
Do you have feedback or ideas for more tools?
Send us a message via our contact form. We are constantly expanding this tool collection.