Aspose.HTML FOSS

Aspose.HTML FOSS provides free, MIT-licensed open-source libraries for parsing HTML into a standards-based DOM, applying CSS stylesheets, and computing styles.

Key capabilities

• Parse complete pages and fragments into a document object model with HTMLDocument.parse()
• Build and modify element trees with Document.create_element() and Node operations
• Apply stylesheets via CSSStyleSheet.replace_sync() and resolve the cascade with Element.get_computed_style()
• Drive the HTML Tokenizer and TreeBuilder directly for low-level parsing
• Parse and validate URLs with URL and URLSearchParams
• Detect character encodings from raw bytes with detect_encoding()

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