Non-ASCII Character Detector

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Overview

Detects non-ASCII characters on webpages that may indicate AI-generated text.

Detects non-ASCII characters on any webpage using the pattern [^\x00-\x7FàçèéêëôïîùûüÀÇÈÉÊËÎÏÔÙÛÜ€$©]. The characters like curly quotes, em dashes, ellipses, are commonly inserted by AI language models. Not a definitive signal, but a useful one. Highlights matches in-page, lets you navigate between occurrences, and works on SPAs and Gmail.

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Details

Version
1.0
Updated
June 29, 2026
Flag concern
Offered by
Kaonashi
Size
569KiB
Languages
English
Developer
Email
me@kaonashi.dev
Non-trader
This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

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This developer declares that your data is

Not being sold to third parties, outside of the approved use cases
Not being used or transferred for purposes that are unrelated to the item's core functionality
Not being used or transferred to determine creditworthiness or for lending purposes

Support

For help with questions, suggestions, or problems, visit the developer's support site

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