AI Sentiment & Emotion Valence Analyzer — Analyze positive, neutral, and negative sentiment with emotional tone breakdown

About AI Sentiment & Emotion Valence Analyzer

Client-side sentiment analysis engine based on VADER/AFINN valence lexicons. Measures text emotional polarity (-1.00 to +1.00), detects negation and intensity modifiers, and provides an emotion breakdown (Joy, Sadness, Anger, Fear).

Key Capabilities & Features

Compound valence scoring normalized between -1.00 (Extreme Negative) and +1.00 (Extreme Positive)
Handles negation inversions (e.g. "not good") and intensity boosters (e.g. "extremely happy")
Emotion radar breakdown estimating percentages of Joy, Sadness, Anger, Fear, and Neutrality
Color-coded positive and negative signal word badges
Ideal for customer reviews, feedback forms, social media copy, and survey responses

How to Use AI Sentiment & Emotion Valence Analyzer

Input Text or Review

Paste customer feedback, product review, or social post.

Check Sentiment

View the overall sentiment gauge and compound score.

Examine Signals

Inspect the highlighted positive and negative emotion words.

Privacy & In-Browser Execution Guarantee

100% Private. Sentiment scoring runs locally without external cloud telemetry.

Frequently Asked Questions

How does the analyzer handle sarcastic or negated phrases?

The engine looks ahead and behind for negator tokens ("not", "never", "hardly") to flip word valence, and booster tokens ("very", "super") to scale weights.