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The zest in saucey songwriting
Undercover Zest
Five free tools built for songwriters — from chords and rhymes to metaphors, morning pages, and sensory sparks.
Five free tools built for songwriters — from chords and rhymes to metaphors, morning pages, and sensory sparks.
Stream-of-consciousness writing to clear the mental fog and unlock creativity before you start writing songs.
Build chord progressions, find keys, and master music theory — the guitar songwriting companion.
Tap into all five senses to write lyrics that make listeners feel something real.
Five types of rhyme matching — perfect, family, additive, assonance, and consonance — built for songwriters.
Smash unexpected ideas together to forge fresh metaphors and imagery for your lyrics.
Undercover Zest is a suite of five free, browser-based tools designed to help songwriters at every stage of the creative process — from the first spark of an idea to polished lyrics and chord progressions. No accounts, no downloads, no paywalls. Just open a tool and start creating.
Undercover Zest is an interactive chord progression builder. Pick a key, click chords to build a progression, then hear it played back. Visualise scales across the fretboard, use the built-in tuner, and explore music theory — all designed around the way guitarists actually write songs.
RhymeForge is a rhyme engine built specifically for lyricists. Search over 54,000 words across five rhyme types — perfect rhymes, family rhymes, additive rhymes, assonance, and consonance. It includes a built-in lyrics pad so you can write and search side by side, and export your work as a PDF.
CollisionLab is a metaphor and simile generator. It smashes two unexpected concepts together and helps you discover fresh imagery for your lyrics. When you're stuck reaching for the same tired phrases, CollisionLab gives you something you'd never have thought of on your own.
Morning Pages is a distraction-free writing journal inspired by Julia Cameron's morning pages practice. Open it first thing, write freely for three pages, and build a daily creative habit. It tracks your streak, saves your entries locally, and stays out of your way.
SenseSpark is a sensory writing prompt generator. It prompts you with vivid details across sight, sound, touch, taste, smell, and more — helping you write lyrics grounded in real, felt experience rather than abstract ideas. Tap a sense, get a spark, and write something that makes people feel.
Every tool is free, works in any modern browser, and stores your data locally on your device. Built by a songwriter, for songwriters.