# Musicianstool > Free, professional-grade music tools for musicians, producers, DJs, and beatmakers. Built by Emre Özaydın — a professional musician and developer based in Istanbul. Musicianstool is a free web platform offering browser-based music production, practice, and performance tools. Every tool has been personally tested and verified by a working musician. No sign-up required, no paywalls. ## Core Tools - [Chromatic Tuner](https://musicianstool.com/tuner): Professional-grade online chromatic tuner with autocorrelation pitch detection. Tune any instrument using your browser microphone. - [Harmonic Mixing Wheel (Camelot Wheel)](https://musicianstool.com/camelot-wheel): Interactive Camelot Wheel for DJs and producers to find harmonically compatible tracks and ensure smooth musical transitions. - [BPM & Genre Guide](https://musicianstool.com/bpm-guide): Interactive tool to explore music genres by tempo. Slider, number input, or tap tempo to discover genres by BPM. - [Chord Progression Chart](https://musicianstool.com/chord-progressions): Complete reference for all 24 major and minor scales. Diatonic chords and popular, emotionally-tagged progressions for songwriting. - [Key & Feeling Datasheet](https://musicianstool.com/key-feelings): Guide to the character of musical keys. Explore the unique vibe, genres, and pro-tips for each of the 24 major and minor keys. - [Setlist Organizer](https://musicianstool.com/setlist): Create and organize setlists with Spotify integration for BPM, key, and energy analysis. - [Virtual Piano](https://musicianstool.com/tools/virtual-piano): Steinway Grand Piano simulation with scale highlighting and chord detection directly in browser. - [Pro Metronome](https://musicianstool.com/tools/metronome): Precise online metronome with visual feedback, accents, and configurable time signatures. - [BPM Tapper](https://musicianstool.com/tools/bpm-finder): Tap any beat to calculate tempo instantly. Accurate tap tempo tool. - [Delay Calculator](https://musicianstool.com/tools/delay-calculator): Convert BPM to milliseconds for reverb pre-delay and delay effect times. - [Scale Practice Generator](https://musicianstool.com/scales): Generate custom scale exercises for any instrument. Interactive audio playback with multiple exercise patterns. - [Piano Scale Finder](https://musicianstool.com/tools/scale-generator): Interactive piano keyboard showing major, minor, and pentatonic scales visually. - [Vocal Range Finder](https://musicianstool.com/tools/vocal-range): Test your vocal range with a microphone and find your voice type (Tenor, Baritone, Alto, Soprano). - [Muse AI Assistant](https://musicianstool.com/muse): AI-powered creative music companion for songwriting, theory guidance, and practice coaching. ## Music Theory Reference - [Circle of Fifths](https://musicianstool.com/theory/circle-of-fifths) - [Key Signatures](https://musicianstool.com/theory/key-signatures) - [Chord Progressions Theory](https://musicianstool.com/theory/progressions) - [Harmonic Mixing Guide](https://musicianstool.com/theory/harmonic-mixing) - [Scale Degrees](https://musicianstool.com/theory/scale-degrees) - [Tempo & Genres](https://musicianstool.com/theory/tempo-genres) ## Music Library - [Music Library](https://musicianstool.com/music-library): Explore genres including Classical, Jazz, Rock, Hip-Hop, Electronic, and Blues with detailed breakdowns. ## Blog - [Blog](https://musicianstool.com/blog): In-depth articles on music production, theory, DJ techniques, and practice tips. ## About - [About Us](https://musicianstool.com/about): Learn about Musicianstool and its creator Emre Özaydın. - [Contact](https://musicianstool.com/contact): Get in touch with the Musicianstool team. - [FAQ](https://musicianstool.com/faq): Frequently asked questions about the platform and tools. ## Legal - [Privacy Policy](https://musicianstool.com/privacy-policy) - [Terms of Service](https://musicianstool.com/terms-of-service) - [Cookie Policy](https://musicianstool.com/cookie-policy)