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Frequently Asked Questions
How every TextPurify tool works, explained.
Cleaner
What does the Cleaner actually remove?
What are zero-width characters and why are they a problem?
What is a homoglyph?
Does cleaning change the meaning of my text?
What is the difference between Clean Mode options?
Inspector
What does the Inspector show?
Why would I use the Inspector instead of just cleaning?
Can the Inspector detect artifacts that the Cleaner misses?
Text Stats
What is TTR?
What is MTLD and why is it better than TTR?
What does Shannon Entropy measure?
What is Burstiness and what does it reveal about AI text?
How is the Gunning Fog index calculated?
What are stop words and why are they excluded from the word frequency chart?
Linguistic
How does the POS distribution work?
How is passive voice detected?
What are nominalizations and why do they matter?
What does the sentence complexity score measure?
Does the Linguistic tool work for languages other than English?
SEO & Health
What is the Health Score?
What is the difference between Flesch-Kincaid and LIX?
What are "water words"?
What is the Passage & AEO Score?
How does Sentiment Analysis work?
What is Semantic Relevance?
Bulk Upload
What file formats does Bulk Upload support?
Is there a limit on the number of files or total size?
How do I download the results?
API & Keys
What does the TextPurify API do?
How do I authenticate API requests?
What are the rate limits?
Is there an OpenAPI / Swagger spec?
History
Where is my History stored?
How many records does History keep?
Can I restore a previous version of my text?
When is a History record created?
FAQ — TextPurify | TextPurify