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Sentiment Analyzer

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Count weighted English sentiment words with a short negation window and show the contributing matches.

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Enter text to analyze its sentiment.

How this works:This tool uses a lexicon-based approach - it scans your text for ~250 common positive and negative words with preset weights, applies basic negation handling (e.g. "not good" flips the score), and sums the result. It is not an AI model and won't catch sarcasm, context, or uncommon phrasing.

Count weighted English sentiment words with a short negation window and show the contributing matches. This is a fixed lexicon heuristic.

See more about the Sentiment Analyzer

Sarcasm, context and languages outside its English word list can be misread.

Examples

Worked example

good scores positive; not good reverses that word's weight.

This is a fixed lexicon heuristic. Sarcasm, context and languages outside its English word list can be misread.

Key features

  • Count weighted English sentiment words with a short negation window and show the contributing matches.

Quick answers for Sentiment Analyzer

What does the Sentiment Analyzer do?
Count weighted English sentiment words with a short negation window and show the contributing matches. The Sentiment Analyzer is one of 900+ free developer tools on Toolblip - all open to use without a signup.
How do I use the Sentiment Analyzer?
Open the Sentiment Analyzer on this page, paste or upload your input, and the result updates as you type. Use the copy button to grab the output, or adjust options to tune the result. Nothing you enter leaves your browser.
Is the Sentiment Analyzer free to use?
Yes. The Sentiment Analyzer is a free online tool on Toolblip - no signup, no account, no hidden usage limits. It runs in your browser and works on desktop and mobile.
Is the Sentiment Analyzer safe and private?
Yes. The Sentiment Analyzer processes your data entirely client-side, so nothing you paste is uploaded or stored on any server. It's safe to use with internal snippets, private keys for debugging, or any other sensitive content you'd rather not send to a remote service.
What kind of output does the Sentiment Analyzer produce?
The Sentiment Analyzer produces clean, formatted output that you can copy or download with a single click. The output is tailored to the tool's purpose (formatted code, converted data, transformed text, or processed media) and is ready for immediate use in your project or workflow.
Does the Sentiment Analyzer work on mobile devices?
Yes. The Sentiment Analyzer is designed to work on any device with a modern browser, including phones and tablets. The interface adapts to smaller screens, and the core functionality (paste input, transform, copy output) works the same way regardless of your device.
Is there a character limit when I use the Sentiment Analyzer?
There's no hard limit. The Sentiment Analyzer handles short snippets and long documents equally well because all processing happens on your device. For very large inputs you may notice a brief delay while the browser parses the text.
Does the Sentiment Analyzer preserve the original formatting of my text?
The Sentiment Analyzer applies only the transformation you select. If you are counting words or characters, the original text is untouched. If you are converting case or removing duplicates, the tool transforms the content as specified and leaves everything else unchanged.
Can I use the Sentiment Analyzer offline?
Once the page has loaded, the Sentiment Analyzer continues to work without an internet connection. Bookmark this page and return to it anytime - all logic runs locally.