AI signature designer with 30+ celebrity styles personalized to your name
Rewrites AI-generated text into natural human writing that passes detection checks
Stage
Not given
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Founded
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Based in
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US
Pricing model
Free
Freemium
Pricing
Not given
Free: 200 words per run, 5 runs per day. Basic: $4.99/month billed yearly ($59.88 per year), 15,000 words per month, 1,000 words per run. Pro: $9.99/month billed yearly ($119.88 per year), 50,000 words per month, 3,000 words per run.
Key features
Over 30 celebrity-inspired signature styles
Signature analysis on five dimensions
AI-generated personalized signatures
Step-by-step animated learning tutorials
Practice tool with scoring
Signature style quiz
Support for 21 languages
Before-and-after signature comparison
Standard and Enhanced rewriting modes
Multiple text type options: Essay, Email, Blog/Article, General
Built-in AI detection scoring
Free AI text cleaner tool
Works with ChatGPT, Gemini, Copilot and other AI writers
Preserves facts, arguments, names, numbers and citations
No sign-up required for free tier
Text never stored or used for training
Adjusts tone to match document type
What makes it different
Hand-writable signatures, not just digital fonts
Designs created in minutes instead of days
Step-by-step teaching breaks signatures into maximum 8 steps
Rewrites sentence structure, word choice and pacing rather than just swapping synonyms
Shows AI detection scores side by side before submission
Produces cleaner output than paraphrasers without breaking citations
Enhanced mode tests five versions and returns the best-scoring one
Free tier available without sign-up for up to 200 words per run
Calligra Signature
The Humanizer