GlobalToneCheck

Understand how your words feel — anywhere in the world

Analyze Tone Instantly

Paste any text and receive a multidimensional tone analysis in seconds. Our engine detects formality, warmth, assertiveness, and nuance across languages and registers.1

1. Powered by a proprietary NLP pipeline trained on 12M annotated documents.

Five Dimensions of Tone

Every message is scored across five perceptual axes: formality, warmth, assertiveness, calm, and casualness. See the full emotional contour of your writing.2

2. Based on the Pentagonal Tone Model (Haruki & Osei, 2024).

Calibrated for 40+ Cultures

Tone perception varies by culture. Our models account for regional communication norms so your message lands as intended — whether in Tokyo, Lagos, or São Paulo.

Formal Structured, respectful, professional register
Warm Empathetic, encouraging, relationship-building
Assertive Direct, confident, action-oriented language
Calm Measured, neutral, de-escalating tone
Casual Relaxed, conversational, approachable style

Grounded in Linguistics Research

Built on peer-reviewed pragmatics and sociolinguistics research. Every tone dimension maps to established frameworks in politeness theory, speech act analysis, and cross-cultural communication studies.3

3. Integrating Brown & Levinson (1987), Scollon & Scollon (2001), and Spencer-Oatey (2008).

Every word carries tone. Check yours.