Aa9 tools
Text Tools
Transform, clean, and manipulate text in seconds.
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Text Diff Checker
Paste two versions of text and see every addition and deletion highlighted.
Markdown Previewer
Paste Markdown and see a live rendered HTML preview instantly.
Smart Quote & Whitespace Cleaner
Strip curly quotes, non-breaking spaces, and invisible junk from pasted text.
Find & Replace (Bulk)
Apply multiple find-and-replace rules to a block of text simultaneously.
Case Converter
Convert text between UPPER, lower, Title, camelCase, snake_case, and more.
Lorem Ipsum Generator
Generate placeholder lorem ipsum text by words, sentences, or paragraphs.
Line Sorter & Cleaner
Sort, deduplicate, reverse, shuffle, and clean lines of text.
Readability Analyzer
Paste any text to get a Flesch Reading Ease score and US grade level instantly.
Text Truncator
Truncate text to an exact character or word limit with a configurable ellipsis.