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Detect and remove invisible Unicode characters, zero-width spaces, and smart quotes.
Paste text above to scan for hidden and special characters.
Scan and clean text from invisible and problematic Unicode characters. Detects zero-width spaces (ZWSP, ZWNJ, ZWJ, BOM), bidirectional control marks, non-breaking spaces, soft hyphens, smart quotes, em/en dashes, ellipsis characters, and variation selectors — each with a live count before you clean. Choose exactly what to fix: strip invisible format characters, convert NBSP to regular spaces, straighten curly quotes, collapse repeated spaces, trim trailing whitespace, and normalize Unicode (NFC/NFKC). Bidi mark removal is opt-in so legitimate RTL text is never silently destroyed. Includes a highlight mode that renders every hidden character as a visible placeholder. 100% client-side — your text never leaves the browser.
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