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Tools · Free · In your browser

Things I built.

Free, in-browser tools for songwriters, producers, and anyone who tinkers with sound or design. Nothing to install. Your files never leave your device.

NovaTrax

Audio Mastering

In-browser audio mastering. EQ, compression, limiting, and LUFS metering, all client-side.

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Audio DSP

Tonely

Music Theory

Interactive music theory. Scales, chords, and fretboard visualization for guitar.

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Theory Guitar

StagePost

Design Editor

Social media design editor. Build covers, posts, and promo art in your browser.

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Design Canvas

Songwriting Tools

Songwriter's Toolkit

Word ladders, rhymes, chord progressions, and an AI lyric assistant. A toolkit for writing your way out of a creative block.

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Lyrics External

Built for fun, by a musician who's also a software developer. If something is broken or missing, send a note to reppardwalkermusic@pm.me.