Selected Text Explanation With Inline Context Preservation

AI sidebar with ChatGPT and Claude for browsing assistance.

Unique: Uses browser selection events and DOM traversal to capture surrounding context automatically, enabling explanations that account for the specific context where the text appears rather than treating it in isolation

vs others: More contextual than generic ChatGPT because it includes surrounding text; faster than copying-pasting to a separate tool because selection triggers the sidebar automatically

via “highlight-context-preservation”

Social web highlighter with AI summarization.

Unique: Automatically captures surrounding context (preceding and following sentences) at highlight time by parsing the DOM, storing it as metadata to enable understanding highlights without returning to the source. Context is indexed for search and can be used to generate context-aware summaries.

vs others: More useful than highlight-only storage because context prevents the 'lost in translation' problem where a highlight's meaning is unclear without surrounding text. Reduces the need to return to the original source, improving knowledge retention and review efficiency.

via “inline-text-explanation”

via “text selection context passing”

via “contextual text highlighting and selection”

via “selected text context passing to chatgpt chat interface”

Unique: Integrates Selection API with context menu for frictionless text capture, automatically formatting selected content as chat context without requiring manual prompt construction

vs others: More seamless than ChatGPT's native extension, which requires manual copy-paste; the context menu integration reduces friction by 2-3 clicks per interaction