zeromark.aiAI brand governance, quality assurance, and text sanitization. Strip invisible watermarks, Unicode tag payloads, and LLM chatter from generated text, without rewriting a word of it. Free, and it runs in your browser.https://zeromark.ai/Why one verb became a red flaghttps://zeromark.ai/en/blog/machine-tells/https://zeromark.ai/en/blog/machine-tells/Model output has a vocabulary fingerprint as well as a byte fingerprint. A look at what actually gives generated prose away, and what to do about it.Mon, 03 Aug 2026 00:00:00 GMTThe invisible characters hiding in your AI texthttps://zeromark.ai/en/blog/invisible-characters/https://zeromark.ai/en/blog/invisible-characters/Zero-width spaces, bidirectional controls, and the Unicode Tags block. What they are, why they end up in generated text, and how to see them.Tue, 14 Jul 2026 00:00:00 GMT