# Tone of voice generator

Stop writing "friendly but professional" and hoping for the best

ScriptGrain measures the tone you already have and turns it into something your writers can't misread.

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The problem with adjective TOV documents

Here's the thing: "friendly but professional" means nothing. Give that phrase to three writers and you'll get three different voices back, and none of them will sound like you. Adjectives feel useful. They're not enforceable. That's the whole issue.

Most tone of voice documents are a page of vibes. Nobody can action a vibe.

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Measurement is the fix

So instead of guessing at adjectives, ScriptGrain measures your actual writing. Two-pass stylometric analysis, 45 attributes pulled from real samples: lexical choices, sentence structure, tone markers, rhetorical habits, punctuation, function words, content patterns, the odd quirks that make your brand sound like your brand and not a competitor's. Data, not vibes.

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How it works, three steps

  1. Upload samples. Drop in existing copy, five pieces is plenty.
  2. Get your profile. See all 45 attributes measured and explained, no guessing what "professional" means to your team.
  3. Export the prompt. A portable tone-of-voice document built from the profile, ready for a writer, an agency, or an AI tool.

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What's actually in the exported prompt

Not adjectives. Constraints. Your measured contraction rate, sentence length variance, comma habits, preferred transitions, the specific words you reach for and the ones you never touch. Hand it to a freelancer. Drop it into Claude, ChatGPT, or a Notion doc. Every tool reads it the same way, because it's specifics, not opinion.

That's why two writers briefed from the same profile land in the same voice, not two different ones.

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Free to see it, paid to use it

Your first profile and full analysis: free, no card required. See exactly what your tone measures across all 45 attributes before you pay anyone anything.

Want to generate content in that voice? That's the paid bit.

Fair enough, you might say, but why pay at all if the profile's free? Because measuring your tone is one job. Generating on-brand copy at scale, across a team, without drift, is a different job entirely. That's the one we charge for.

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Get your tone measured

No card. One profile, one full analysis, yours to keep.

Still explaining "friendly but professional" to a new hire? Stop. Measure it once, export it, done.

ScriptGrain · Why ScriptGrain · Sample voice profiles · The Journal · Support