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Quick answers.

›How is the sentiment score calculated?

The tool uses the VADER lexicon to assign intensity values to words and emojis. It considers context like capitalisation and 'but' or 'not' to determine an overall score between -1 and +1.

›Is my text data stored or shared?

No. The analysis engine runs entirely client-side. The text you paste remains on your device and is cleared the moment you close the tab.

›Can it detect sarcasm or complex nuance?

While accurate for general tone, automated sentiment analysis may struggle with heavy sarcasm, irony, or highly technical jargon. It is best used for evaluating customer feedback, reviews, and social media posts.

›Does it support languages other than English?

This specific implementation is optimised for English text and common emojis. Using other languages will likely result in a neutral score as the tokens will not match the included lexicon.