| HtmlSanitizer | Sanitizes untrusted HTML. |
| SafeHtml | An object that implements this interface encapsulates HTML that is guaranteed to be safe to use (with respect to potential Cross-Site-Scripting vulnerabilities) in an HTML context. |
| OnlyToBeUsedInGeneratedCodeStringBlessedAsSafeHtml | A string wrapped as an object of type SafeHtml. |
| SafeHtmlBuilder | A builder that facilitates the building up of XSS-safe HTML from text snippets. |
| SafeHtmlHostedModeUtils | SafeHtml utilities whose implementation differs between Development and Production Mode. |
| SafeHtmlUtils | Utility class containing static methods for escaping and sanitizing strings. |
| SimpleHtmlSanitizer | A simple and relatively inexpensive HTML sanitizer. |
| UriUtils | Utility class containing static methods for validating and sanitizing URIs. |