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When you write, almost your entire brain moves at once — visual, motor, memory and language systems firing in sync. Gramavec measures the trace your hand leaves behind.
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The science behind the stroke
A single pen stroke is the visible end of a brain-wide relay — and the richest behavioral signal your hand can leave.
High-density EEG shows handwriting binding the visual, motor, memory and language networks at once — where typing barely stirs them.
Writing has no inborn brain center. In a few thousand years the brain repurposed circuits built for vision and movement to make it possible.
You never draw the same letter twice — and that variability is exactly what makes the trace measurable, and unmistakably yours.
That is why handwriting is such a rich signal — and why we measure it, never guess it.
How It Works
Take a photo of any handwriting or signature sample. Our smart crop tool ensures perfect framing every time.
The calibrated engine measures 8+ feature families — flow, pressure, slant, baseline, spacing and more — one by one. It measures, it doesn't guess.
Receive a structured report with measured features, radar charts, detailed breakdowns, and a downloadable PDF.
How It Works
Take a photo of any handwriting or signature sample. Our smart crop tool ensures perfect framing every time.
What We Analyze
Measures the continuity and rhythm of writing strokes
Traditionally linked to emotional intensity and energy
Interpreted as social orientation and emotional expression
Shows self-image and need for personal space
Reflects mental agility and decision-making style
Indicates emotional stability and mood patterns
Reveals need for social contact and boundaries
Shows creative thinking vs. analytical approach
Try It Now
Select a sample to see analysis in action
Playground
Pick a lens and watch a stroke become a calibrated, multi-lens reading — a preview of what your own sample would reveal.
See the Power of AI Graphology
See the traits that shape how you show up — a calibrated personality reading you can act on, not a vague guess.
Know whether two samples share one hand — feature by feature, with every match and mismatch made explicit.
Pre-screen signatures and documents against a public benchmark, with a clearly-labelled confidence band — a certified FDE keeps the final say.
View benchmark numbersSee the Power of AI Graphology
See the traits that shape how you show up — a calibrated personality reading you can act on, not a vague guess.
Know whether two samples share one hand — feature by feature, with every match and mismatch made explicit.
Pre-screen signatures and documents against a public benchmark, with a clearly-labelled confidence band — a certified FDE keeps the final say.
View benchmark numbersBuilt for Enterprise
Gramavec scales from individual use to organization-wide deployment
RESTful API with comprehensive documentation for seamless integration into your existing workflows.
Centralized dashboard with role-based access control, usage analytics, and shared report libraries.
White-label reports with your company logo, colors, and custom analysis templates.
Encrypted in transit with TLS 1.3, stored under Google-managed server-side encryption on Google Cloud Storage, tier-aware retention windows, and dedicated infrastructure options for sensitive deployments.
Simple, Transparent Pricing
Frequently Asked Questions
The engine measures 8+ handwriting feature families and reports a confidence band with every reading, so you can see how reliable each result is. Graphology is an interpretive method, not a clinically validated science, so treat the insights as reflective rather than definitive.
We support JPEG, PNG, and WebP formats. For best results, use a clear, well-lit photo of handwriting on white or light paper. Our smart crop tool helps you frame the sample perfectly. Minimum resolution is 640x480 pixels.
Images and reports are encrypted in transit with TLS 1.3 and stored under Google-managed server-side encryption on Google Cloud Storage. Uploaded raw images are retained for the duration of your subscription tier's retention window (Free 24h, Pro 90d, Business 1y, Enterprise per-org policy) and then automatically purged by a scheduled cleanup task. We follow GDPR/KVKK-aligned data practices, and your handwriting data is never used for training or shared with third parties.
Yes! Our comparison feature analyzes two samples across all 20+ graphological features and provides an overall similarity score, a detailed feature-by-feature breakdown, and areas of significant difference. Useful for relationship compatibility and exploring similarities for self-reflection between samples.
Yes, our RESTful API is available on Pro and Enterprise plans. It supports single analysis, comparison analysis, and batch processing. Full documentation, SDKs for Python and JavaScript, and webhook support are included.
Gramavec works with Latin, Cyrillic, Arabic, and most handwriting systems. The AI adapts its analysis to the specific characteristics of each writing system. Reports are available in all 14 of our supported languages: English, Turkish, German, French, Spanish, Italian, Portuguese, Dutch, Russian, Japanese, Korean, Chinese, Arabic, and Hindi.
