Calculate the Flesch Reading Ease score and Flesch-Kincaid Grade Level of a piece of text.
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Calculate SHA checksums of a file to verify its integrity.
Check a page's H1-H6 heading outline and hierarchy for structural issues.
Generate a memorable, random multi-word passphrase.
Find the most frequent words and two-word phrases in your content.
Estimate how strong a password is, in bits of entropy.