# AI Cleaner > In-browser AI text sanitizer, prompt preamble scrubber, and zero-width invisible character cleaner. Engineered as a 100% private client-side utility executing locally inside the device V8 runtime with zero server-side data ingestion. ## Core Utilities - [AI Cleaner Master Hub](https://aicleaner.online/): Central multi-vector text sanitization studio combining AI prompt scrubbing, markdown unformatting, and invisible symbol purging. - [AI Text Remover](https://aicleaner.online/ai-text-remover/): Isolates and excises ChatGPT conversational pleasantries, preambles, and closing boilerplate. - [Clean AI Text](https://aicleaner.online/clean-ai/): High-intent prompt sanitization engine for creators publishing to LinkedIn, blogs, and social platforms. - [Format Cleaner](https://aicleaner.online/format-cleaner/): Strips Markdown formatting delimiters (bold, italics, headers, lists) to produce pristine plain text. - [Remove Formatting](https://aicleaner.online/remove-formatting/): 1-click text unformatter stripping rich web styling, background fonts, and typographic quotes. - [Text Cleaner](https://aicleaner.online/text-cleaner/): Purges non-printing zero-width spaces (U+200B) and collapses excessive multi-line spacing. - [Character Remover](https://aicleaner.online/character-remover/): Eliminates hidden control characters, non-breaking spaces, and unwanted Unicode symbols. ## Institutional Standards & Governance - [Editorial & Research Standards](https://aicleaner.online/about/): Institutional Text Processing Standards Desk methodology, CommonMark benchmarks, and metrology. - [Zero-Cloud Privacy Policy](https://aicleaner.online/privacy-policy/): Architectural guarantee of 100% local client-side execution with zero external data transfer. - [Terms of Service](https://aicleaner.online/terms-of-service/): Nominative fair-use guidelines, algorithmic licensing, and statutory safe-harbor notices. - [Technical Sitemap](https://aicleaner.online/sitemap/): Complete hierarchical directory of verified in-browser tools and documentation. ## Technical Architecture & Privacy - Client-Side Engine: All text manipulation and regex routines execute inside the local browser JavaScript engine (V8 / SpiderMonkey / JavaScriptCore). - Zero Telemetry of User Drafts: Raw input text never leaves the client device. - Standard Mathematical Mappings: Mathematical Sans-Bold (U+1D5D4) and Sans-Italic (U+1D608) Unicode transformations. - Attribution: Institutional Text Processing Standards Desk.