Chrome Extension: File Anonymization
Source: anonym.community research
Summary
Research Source Chrome Extensions for PII Protection Only Handle Chat Text anonym.community March 2026 feature analysis View Source Existing browser-based PII protection focuses exclusively on AI chat input text. But users regularly work with structured files in browser-based environments — CSV exports from SaaS tools, JSON API responses in developer consoles, configuration files in web-based IDEs, and markdown documents in collaborative editors. These files contain PII that chat-only protection cannot process.
Evidence & Data Points
- Existing browser-based PII protection focuses exclusively on AI chat input text. But users regularly work with structured files in browser-based environments — CSV exports from SaaS tools, JSON API responses in developer consoles, configuration files in web-based IDEs, and markdown documents i
Solution
The Solution: How cloak.business Addresses This File Processing in Extension Popup Click the cloak.business extension icon, select 'File Mode,' and upload a file. The extension detects PII across the entire file content and returns an anonymized version for download. No data leaves the browser except to the authenticated API endpoint. Supported File Types .txt (plain text), .md (markdown), .csv (comma-separated values), .json (structured data), .xml (markup), .yaml (configuration). Up to 50KB per file. Structured formats (CSV, JSON, XML) are parsed to detect PII in both keys and values. Six AI Chat Sites In addition to file processing, the extension intercepts PII in AI chat interfaces: ChatGPT, Claude, Gemini, DeepSeek, Perplexity, and Abacus.ai. PBKDF2-derived encryption keys (100,000 it
Compliance Context
Compliance Mapping This feature addresses GDPR Article 5(1)(f) (integrity and confidentiality — PII in browser-processed files is protected), and shadow IT compliance (files processed in browser environments are covered by the same PII protection as chat messages). cloak.business's GDPR, HIPAA, PCI-DSS, ISO 27001, SOC 2 compliance coverage, combined with Customer-selected hosting, provides documented technical measures organizations can reference in their compliance documentation.