Look 1
Words
Plain words or jargon. Words you always use. Words you never use.
A voice checker reads a text and says if it sounds like your company. Here is one you can run today.
Free: your brand in 3 real designs, in 48 hours.
A brand voice checker compares a text with your voice rules and tells you what is on voice and what is not. A good one gives a score and shows the lines to fix.
You can do it by hand in five minutes with the 6 question score below. Or a Brand OS Portal can check the words against your brand voice for the whole team.
A checker needs rules to check against. No rules, no real check.
Look 1
Plain words or jargon. Words you always use. Words you never use.
Look 2
Short or long. Active or passive. One idea or five.
Look 3
Do you sound calm, direct, warm, or loud? Does it match your 3 voice words?
Look 4
Every number and claim must be on your approved list.
No rules yet? Write them with brand voice guidelines. Short examples help most, see B2B brand voice examples.

Give 1 point for each yes. Five or six means ship it. Three or less means edit.
Text: [paste a title or the opening line] 1. Would a customer understand every word without help? (yes = 1) 2. Do the sentences sound like us, not like a press release? (yes = 1) 3. Does it match our 3 voice words: [word], [word], [word]? (yes = 1) 4. Are all numbers and claims on our approved facts list? (yes = 1) 5. Is every word from our "never use" list gone? (yes = 1) 6. Could a competitor NOT have written this? (yes = 1) Score: [ ] / 6 6-5: publish. 4: small edit. 3 or less: rewrite the weak lines, then score again.
Question 6 is the hard one. If a competitor could post the same text, the voice is too generic. More in how to check if copy sounds like your brand.
Free tool
Many drafts now start with AI. Type your company name and website. You see how AI tools describe you, and what to fix next. It is free.
Start by hand. Move to a tool when more people write.
| Way | Good for | Weak spot |
|---|---|---|
| By hand with the 6 question score | One writer, a few posts a week | Depends on who reads it |
| An AI chat with your voice rules pasted in | Quick second opinion on a draft | Rules must be pasted every time. See ChatGPT and your brand voice |
| A checker inside your brand portal | A team, partners and AI drafts | Needs the rules set up once |
In a Brand OS Portal, Voice Check checks words against your brand voice, in the same place where the team makes posts. Nobody has to remember the rules.
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The numbers in this example are made up. Use your own facts.
| Draft (3 of 6) | Edited (6 of 6) |
|---|---|
| We are thrilled to announce an innovative solution that leverages cutting-edge technology to empower your team. | Our new tool cuts report time from 2 hours to 20 minutes. Try it free for your team. |
| Our world-class team is passionate about excellence. | Five engineers, one goal: your network stays up. |
The edit uses plain words, a clear fact and a short line. Steps for this are in how to edit AI text to match brand voice.
Tick what is true. Your ticks stay on this device.
0 of 6 done
Want a score you can quote? Read what a brand voice score means. Want the whole checklist? See pre publish brand review checklist.
Try one Brand OS Portal tool
This is a real tool from a real Brand OS Portal, on the MTG brand. Change the words and the photo. The design stays on brand.
Watch
I made short videos of the tools. Hear me explain them, then scroll through every one at work. Real tools, on a real brand.

A tool or method that compares a text with your voice rules and shows what sounds off.
It can give a second opinion if you paste your voice rules with the text. Rules must be in the chat each time, and a person should decide.
Compare it with your voice words, your never use list and your approved facts. The 6 question score above does this in five minutes.
Written voice rules with examples. Without them, every check is a guess.
Yes. Put the check inside the place where people write, so nobody has to remember the rules.
Death List Five. Five headaches, one portal. Sound on.
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