Detect and strip hidden zero-width spaces, BOMs, and non-breaking spaces.
Execution runs 100% locally inside the browser sandbox using HTML5 Canvas, Web Cryptography Subtle API, and Web Workers. Zero egress.
Zero network latency. Operates completely offline with zero dependencies on third-party backend servers or cloud services.
Built according to official RFC specifications, cryptographic test vectors, and enterprise-grade data transformation standards.
Paste text copied from PDFs or rich text editors.
Inspect the number of detected zero-width and invisible characters.
Copy clean, sanitized UTF-8 text.
Zero-width spaces are invisible to the eye but break string equality, JSON parsers, and command-line scripts.
U+200B through U+200D (Zero Width Spaces/Joiners), U+FEFF (BOM), and directional control marks.
Zero-egress companion tools in the Text Utilities suite
Calculate US grade level comprehension using the Automated Readability Index (ARI) formula.
Strip accents and normalize European characters into plain ASCII Latin letters.
Encode and decode reversible ROT13 and custom Caesar cipher text strings.
Format scientific Markdown chemical formulas and mathematical exponents.
