Readability Checker
Calculate Flesch Reading Ease, Flesch-Kincaid grade level, Gunning Fog, and sentence statistics for English writing.
Open toolProofreading tool
Review common capitalization mistakes in essays and assignments, with line references that make each possible error quick to locate.
Results update automatically.
Start typing or use the example.
What this tool checks
Capitalization errors are small, visible signals that can make a finished draft look unpolished. This checker isolates a few high-confidence patterns so you can review them without changing the text automatically.
Sentence-start capitalization
Lowercase pronoun I
Days and months
Practical uses
Questions
It looks for lowercase sentence starts, lowercase standalone i, and lowercase English names for days and months.
No. It reports possible issues so you can decide whether each word should be changed.
Use the Text Case Converter for a quick title-case conversion. Always compare the result with the style guide required for your assignment.
Need AI detection too?
Use these free browser tools for mechanical review, then use Stealth AI Detector when you need AI and human probability signals.