Sentiment Analysis Tool
Analyze the emotional tone and sentiment of your text automatically.
About the Sentiment Analysis Tool
Understanding the tone of a message is crucial in today's digital communication. The Sentiment Analysis Tool uses Natural Language Processing (NLP) techniques to evaluate the emotional content of your text. Whether you are drafting an important email, analyzing customer feedback, or checking a social media post, this tool gives you instant, objective data on how your words might be perceived.
Our tool utilizes the AFINN-165 word list, a popular lexicon for sentiment analysis. This method assigns a score to words ranging from -5 (very negative) to +5 (very positive). By summing these scores and normalizing them against the total number of words, we can determine the overall "Sentiment Score" and "Intensity" (Comparative Score) of your text. This helps you spot if your message is too aggressive, too passive, or perfectly balanced.
Privacy is a key feature here. Unlike many AI services that send your text to the cloud for analysis, our tool runs entirely in your web browser using JavaScript. The text you type never leaves your computer, making it safe to analyze confidential emails, personal journals, or sensitive business documents.
How to Interpret the Results
- Score: The total sum of points from all recognized emotive words. A positive number means the text is generally positive; a negative number means it is negative.
- Intensity: This compares the score to the length of the text. It helps you understand how "emotionally charged" the writing is, regardless of how long it is.
- Positive/Negative Words: We extract and highlight the specific words that contributed to the score, helping you understand exactly which terms are influencing the tone.
Frequently Asked Questions
How accurate is this tool?
This tool is highly effective for general English text. It relies on a dictionary of over 3,000 words rated for sentiment. However, because it is rule-based, it may struggle with sarcasm, irony, or very specific slang that isn't in its dictionary. It is best used as a guide for tone rather than a definitive judge of complex human emotion.
Is my text saved or shared?
No. This tool works 100% client-side. The analysis happens in your browser's memory. We do not store, save, or transmit your text to any server, ensuring complete privacy.
Can I use this for customer reviews?
Yes! This is one of the best use cases. You can paste customer reviews into the tool to quickly categorize them as positive or negative and identify the specific keywords customers use to describe their experience.
What does a score of 0 mean?
A score of 0 means the text is Neutral. This could happen if the text contains no emotive words (e.g., a technical manual), or if the positive and negative words perfectly cancel each other out (e.g., "The food was good (+3) but the service was bad (-3)").