River
Y CombinatorBacked by Y Combinator

Free template

Brand Voice Guide Template

A voice guide drawn from your own best writing, with real before-and-after sentences, a word list and a checklist for reviewing drafts.

Free download · No account needed

What you get

Pack of 5 files: 3 documents, 2 spreadsheets

Brand Voice Guide Template
  • Voice GuideDocument
  • Word ListDocument
  • Review ChecklistDocument
  • Terminology RegisterSpreadsheet
  • Review LogSpreadsheet
RiverBrand Voice Guide Template

Voice Guide

One pattern, one real pair

Pulled from your own published writing, not described in adjectives.

Pattern  ·   

 

Before  ·  from your own published work

 

After  ·  the one identifiable fix

 

A pattern with no real pair behind it stays out of the guide.

Page 1 of 2676 words

How to create a brand voice guide

A brand voice guide tells everyone who writes for your company how it should sound, from sales emails to error messages. To create one, collect your best published writing and note what it does consistently. Turn that into three or four voice traits, each with a limit and a real before-and-after sentence. Then add how tone shifts by situation, a list of words to avoid and a checklist for reviewing drafts.

Show the voice rather than describing it. Hand two writers "confident but approachable" and you'll get two different drafts that both claim to follow the guide. A real sentence beside its fix leaves far less to guess.

A woman typing on a laptop at a wooden desk, with an open book and an orange paperback beside her
Keep the guide short enough to sit open beside every draft. Photo: Maxim Ilyahov on Unsplash

Collect your best writing first

Start from evidence, not a brainstorm. Pull 10 to 30 published pieces that did their job: emails people opened and clicked, posts read to the end, pages that converted. If you don't track results, pick the pieces your team agrees sound most like you.

Cover each channel you write for: the website, email, product screens and support replies. A voice drawn only from blog posts won't tell anyone how to write a cancellation email. Keep your five weakest pieces as well. They supply the "before" half of your examples.

If you already have brand guidelines, read their voice section now. Treat the adjectives there as claims to test against the pieces you collected, not as rules.

Read for patterns you can count

Read the pieces side by side and count choices instead of describing moods. "Friendly" is an impression. "Talks to the reader as you, almost never as users" is a pattern a new writer can copy.

Patterns worth counting

PatternWhat to countWhat it tells you
Address"You" versus "users" or "customers"Whether you talk to readers or about them
Sentence lengthAverage words per sentence, and the longestHow much a reader must hold at once
Contractions"You're" and "don't" versus "you are" and "do not"How relaxed the voice is, and where it turns formal
Claims per sentenceBenefits stacked with commas and "and"Whether each point has room to land
OpenersHeadings and first lines phrased as questionsWhether you lead with the answer

Keep a pattern only if it holds across most of your strong pieces and breaks in the weak ones. Take claims per sentence: Digital.gov, a US government site, tells writers to express only one idea in each sentence1. If your best copy does that and your weakest piles three benefits into one line, you've found a pattern worth keeping.

Turn patterns into brand voice traits

Group the patterns into three or four traits, and give each one a limit. Nielsen Norman Group, a UX research firm, advises choosing no more than a handful of tone words2 and suggests adding "anti-tone" words for what to avoid. Mailchimp's content style guide draws that kind of line: its humor is weird but not inappropriate, smart but not snobbish3.

Then prove each trait with a pair: a sentence you published that misses, and the same sentence fixed. Microsoft's style guide teaches each of its top 10 writing tips with a before-and-after example4. Under "Write like you speak," the message "Invalid ID" becomes "You need an ID that looks like this: someone@example.com."

ExampleOne trait, written upAn illustrative example written for this guide. The company and its sentences are made up.

Trait: Plain, not blunt.

Pattern: Say what happened, then what the reader can do next. In 17 of our 20 strongest support emails, the first two lines do this.

Before: "Due to an issue with your payment method, your subscription has been suspended."

After: "Your card was declined, so we've paused your plan. Update your card to restart it."

  • A limit. "Not blunt" tells writers how far plain can go.
  • Evidence. The count shows the pattern came from what worked, not from taste.
  • One fix to copy. Cause first, then the next step: a move a writer can repeat in any message.

Show how tone changes with the moment

Your traits describe the voice, which stays put. Tone is what moves. Mailchimp's style guide illustrates the difference with a person whose voice stays the same while their tone shifts3 between dinner with friends and a meeting with the boss. Tone also follows the reader's emotional state: a customer whose payment just failed needs a calmer tone than one reading about a launch.

One voice, four situations

SituationToneSounds like
Product launchUpbeat and specific"You can now schedule posts a month ahead."
Outage or errorCalm and direct, no jokes"Uploads are failing. We're on it and will update you by 3 p.m."
Billing problemPlain and kind"Your payment didn't go through. Your files are safe."
Pricing and legal termsFormal, no contractions"You will be billed on the first day of each month."

Be careful with humor. In a 2016 Nielsen Norman Group study, 100 US adults rated pairs of nearly identical web content5 that differed only in tone. A playful car insurance page seemed friendlier than its serious twin, yet less trustworthy, and people were no more likely to recommend it.

Trust mattered far more than friendliness. On average, trustworthiness explained 52% of the variation in people's willingness to recommend a brand, and friendliness added only 8%. Casual, conversational and moderately enthusiastic tones did best overall. If you're unsure, Mailchimp's advice holds: keep a straight face.

Keep a word list with reasons

A word list turns the edits you keep making into rules anyone can check. Google's developer documentation style guide sorts problem terms into two tiers, "use with caution" and "don't use"6. For cautioned terms it suggests an alternative or a more specific word: its entry for "leverage" says to avoid it if you mean "use."

GOV.UK, the UK government's website, keeps a list of words to avoid7 because plain English is mandatory there. Most entries say what to write instead, and some name an exception: "robust" is fine for a sturdy object, but otherwise it suggests "well thought out" or "comprehensive." Build your entries the same way, from words your weakest pieces lean on, and give each one four parts:

  • The term, as writers actually use it
  • Its tier: don't use, or use with caution
  • The reason, tied to your own writing
  • What to write instead

Give product and feature names their own list, with the correct form and the common mistakes. Spelling, capitals and number formats belong in a house style guide, which keeps this one about how you sound.

Test the guide on real drafts

A voice guide works if a writer who has never met you can use it. Before you share yours, give it and a brief to someone new, then compare their draft with your best pieces. Wherever they had to guess, add an example.

Once it's in use, review drafts against a short checklist in a fixed order. Run the word list first: banned words are quick to find and always have to go. Leave product names for last, so you don't correct a name in a paragraph you later cut.

Log each failed check with the exact sentence. When the same correction turns up on two different drafts, add it to the guide. A one-off preference stays out.

Before you share the guide

  • Three or four traits, each with a limit
  • A real before-and-after pair for every trait
  • A tone note for each situation you write in often
  • A tier, a reason and a replacement for every word-list entry
  • Product names in their correct form, with common mistakes
  • An owner and a date, so writers know it's current

Send the guide with every content brief, so freelancers have it before their first draft, not after the first round of edits. The template on this page gives you the guide, word list and review checklist, and Edit with AI has River draft the patterns from your strongest pieces.

How to use this template

Use the files as they are, or open them in River. Edit with AI asks for your 10 to 30 strongest pieces, ranked by opens or clicks if you have the numbers. River reads them for what repeats, writes each pattern into the Voice Guide with a real before-and-after pair, and builds the Word List from the weakest of them.

A pattern with no real pair behind it stays out: River asks for another sample instead of guessing. Once the guide is done, send River a draft. It runs the six checks in order, quotes each sentence that fails and logs it in the Review Log.

  1. Download it or open it in River

    Download the three Word documents and two CSV sheets free, or open the template in River and work with AI.

  2. Send your strongest writing

    Share 10 to 30 published pieces, ranked by opens or clicks if you track them, or the ones your team agrees on.

  3. Check every pattern

    Read each before-and-after pair, confirm your product names and cut anything that doesn't sound like your best work.

  4. Review drafts against it

    Run new drafts through the six checks, log each miss, and add it to the guide once it repeats on two different drafts.

What's in the template

What one company's own writing actually showed, once someone read it for patternsVoice Guide, Word List and Review Log filled in for one fictional company's corpus.
Brand Voice Guide Template
RiverVoice Guide

Voice Guide

Fictional company: Thistlewood, project-management software. Corpus: 30 posts and 12 emails, narrowed to the 15 highest-engagement pieces.

Pattern 1  ·  second person, almost always

BeforeUsers can now assign tasks directly from their inbox.
AfterYou can now assign tasks directly from your inbox.

46 of 51 reader-facing sentences in the corpus said “you.” The 5 exceptions were one compliance email, not product copy.

Pattern 3  ·  one claim per sentence

BeforeThistlewood helps you plan faster, communicate clearly, and ship on time, all from one dashboard.
AfterThistlewood plans your sprint. It flags what's off track before the standup does.

The weakest piece in the corpus stacked three claims into one sentence; no top performer carried more than one past a period.

RiverWord List

Word List

34 terms total, sourced from the corpus's own weakest pieces and repeat review flags. Format: term, tier, reason, replacement.

TermTierReason
unlockdon't useZero uses in the 15 strongest pieces; in 4 of the 5 weakest
seamlessdon't useUnfalsifiable; nothing in the corpus says what would make it “seamed”
simple / easycaution8 of 11 uses described a task the writer had not actually tried
powerfulcautionAlmost always stands in for a number nobody looked up

21 of 34 terms are caution, 13 are don't-use. Three don't-use terms still stand inside direct customer quotes, which the checklist leaves untouched.

RiverReview Log

Review Log, Q1 summary

26 drafts run through the Review Checklist in the pack's first quarter of use.

Check failedDraftsShare
1. Word List1869.2%
2. One claim per sentence934.6%
3. Address (you, not users)519.2%
5. Section openers415.4%
6. Terminology Register415.4%

Word List violations led by a wide margin. “Powerful” and “robust” moved from absent to logged entries this quarter after the same reviewer caught the same pattern twice.

  • Voice GuideThe patterns your strongest writing shares, backed by counts and real before-and-after sentences.
  • Word ListWords to avoid or use with caution, each with its reason and what to write instead.
  • Review ChecklistSix checks for every draft, run in order from the word list to product names.
  • Terminology Register sheetProduct and feature names, with the correct form, common mistakes and usage notes.
  • Review Log sheetEvery check a draft failed, with the exact text and how it was fixed.

Common questions

What should a brand voice guide include?

Three or four voice traits, each with a limit and a real before-and-after example, plus notes on how tone changes from one situation to the next. Add a word list with reasons and replacements, the correct form of your product names and a short checklist for reviewing drafts. Leave logos, colors and spelling rules to your other guides.

What is the difference between brand voice and tone?

Voice is your brand's personality, and it stays the same wherever you write. Tone is how that voice adjusts to the reader's situation: brighter for a launch, calmer for an outage, more formal on pricing and legal pages. A good guide defines the voice once, then shows the tone for each situation your team writes for.

How do you find your brand voice?

Look at what your best writing already does. Gather the pieces that performed well, or that your team agrees sound right. Then note the choices they share: who they address, how long their sentences run, whether they use contractions and how much they claim at once. Choices that hold across them become your traits.

How long should a brand voice guide be?

Short enough for a new writer to read before starting a first draft. A few pages is usually plenty when most of the space goes to examples rather than description. The Voice Guide in this template runs about 600 words, with the Word List and Review Checklist kept as separate short documents.

Can you use a brand voice guide with AI writing tools?

Yes. Paste the traits, the before-and-after pairs and the word list into the tool's instructions, then review what it writes with the same checklist you use for people. Include the pairs: they show the exact change you want, which leaves the tool less to interpret than an adjective alone.

Is this brand voice guide template free?

Yes. The three Word documents and two CSV sheets download free, with no signup. They come filled in for a made-up software company, Thistlewood, so you can see how each part works before you replace it with your own writing. Edit with AI opens the same template in a free River workspace.

What does Edit with AI do?

It opens the template in River and asks for your strongest writing. River finds the patterns and drafts the Voice Guide with real before-and-after pairs. It builds the Word List from the weakest of those pieces and fills in your product names, checking any unclear ones with you. After that, it can run any new draft through the six checks.

Sources

  1. Digital.gov. “Clear and short.” digital.gov (opens in a new tab)

  2. Nielsen Norman Group. “The Four Dimensions of Tone of Voice.” nngroup.com (opens in a new tab)

  3. Mailchimp Content Style Guide. “Voice and Tone.” styleguide.mailchimp.com (opens in a new tab)

  4. Microsoft Style Guide. “Top 10 tips for Microsoft style and voice.” learn.microsoft.com (opens in a new tab)

  5. Nielsen Norman Group. “The Impact of Tone of Voice on Users' Brand Perception.” nngroup.com (opens in a new tab)

  6. Google developer documentation style guide. “Word list.” developers.google.com (opens in a new tab)

  7. GOV.UK. “A to Z style guide.” guidance.publishing.service.gov.uk (opens in a new tab)

Written by

Chandler Supple

Co-founder & CEO, River

Chandler has spent the last six years working in AI, building tools for millions of users and Fortune 100 companies. In 2025, he co-founded River to build a new kind of operating system for AI agents.

Reviewed by

Brian Joseff, Co-founder, River