DeepSeek Harness URL reader

Key features

• HTML technical documentation, forums, nested articles and custom elements, with visible code examples and metadata preserved.
• EncodingBOM-first detection (UTF-8 / UTF-16LE / UTF-16BE — byte-level evidence beats any declared charset), then HTTP Content-Type charset → HTML meta
• 276 zero-dependency assertions + 12 SPA assertions pass.
• Completely free and open source (MIT): zero dependencies, no API key, fully local processing, no data collection
• Plain text, Markdown, CSV, JSON and vendor +json APIs.