Free Tool

Brand Voice Analyzer

Paste 1–5 of your social posts. Get a free voice profile — tone, personality, dos & don'ts — in seconds. No signup.

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Paste 1–5 social posts from your brand — LinkedIn, Instagram, anything you've published. The more you add, the more accurate the analysis.

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How it works

Paste your posts

Add 1–5 posts you've already published — LinkedIn, Instagram, Twitter, anywhere.

AI reads the patterns

The analyzer finds what stays consistent across your posts: tone, vocabulary, structure, personality.

Get your voice profile

A shareable voice card with tone labels, dos & don'ts, and a plain-language summary you can hand to any writer.

Frequently asked questions

What is a brand voice analyzer?: A brand voice analyzer reads samples of your existing content and identifies the consistent patterns in tone, vocabulary, sentence structure, and personality that make your brand recognizable.
How many posts do I need to analyze?: One post is enough to get started, but 3–5 posts from different topics give a much more accurate profile because they reveal what stays consistent across contexts.
What does a brand voice profile include?: Your profile includes a tone description, personality summary, sentence style, vocabulary level, emoji and humor usage, platform fit, and a list of dos and don'ts for keeping your voice consistent.
Is this tool free?: Yes — completely free, no account required. Paste your posts and get your profile instantly.
How is this different from Shadow Post?: This tool analyzes your existing voice. Shadow Post uses that voice profile to generate new social posts that automatically sound like you — handling drafts, scheduling, and approval in one place.

Now let Shadow Post write in your voice.

Your brand voice profile is the foundation. Shadow Post uses it to generate, approve, and schedule social posts that always sound like you.

Try Shadow Post free →

Frequently asked questions

What is a brand voice analyzer?

A brand voice analyzer reads samples of your existing content and identifies the consistent patterns in tone, vocabulary, sentence structure, and personality that make your brand recognizable.

How many posts do I need to analyze?

One post is enough to get started, but 3–5 posts from different topics give a much more accurate profile because they reveal what stays consistent across contexts.

What does a brand voice profile include?

Your profile includes a tone description, personality summary, sentence style, vocabulary level, emoji and humor usage, platform fit, and a list of dos and don'ts for keeping your voice consistent.

Is this tool free?

Yes — completely free, no account required. Paste your posts and get your profile instantly.

How is this different from Shadow Post?

This tool analyzes your existing voice. Shadow Post uses that voice profile to generate new social posts that automatically sound like you — handling drafts, scheduling, and approval in one place.