JumpNav: The most elegant AI chat navigator you've ever seen.
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Description
Navigate long AI chats in ChatGPT, Gemini, and Claude with outlines, favorites, and reusable prompts. JumpNav turns long AI chats into a clean, clickable outline. Jump back to any prompt, favorite important chats, and reuse saved prompts without losing context. 快速找回任意提问，收藏重要会话，并复用常用提示词，不再丢失上下文。 Key Features / 核心功能 - Floating right-side navigator with prompt titles, reply previews, active tracking, and one-click jump. 右侧悬浮导航，自动生成提问标题与回复预览，跟踪当前位置并一键跳转。 - Click or keyboard jump (Enter/Space) to exact context. 支持点击与键盘跳转（Enter/Space），精准定位上下文。 - Full mode + Minimal mode + adaptive overlap handling. 正常模式 + 简约模式 + 自适应避免遮挡正文。 - Hide/restore with draggable Fab button; position and collapsed state are remembered after refresh. 支持隐藏/恢复与 Fab 拖动；按钮位置和隐藏状态刷新后自动记忆。 - Built-in Prompt Library to save, search, copy, and reuse frequently used prompts. 内置 Prompt Library，可保存、搜索、复制并复用常用提示词。 - Favorite important sidebar chats on ChatGPT, Gemini, and Claude for faster revisit. 支持在 ChatGPT、Gemini、Claude 侧边栏收藏重要会话，回访更快。 - Formula click-to-copy: MathML/LaTeX (Shift+Click for LaTeX), with MathJax/KaTeX/Auto settings. 公式点击复制：支持 MathML/LaTeX（Shift+Click 复制 LaTeX），并可配置 MathJax/KaTeX/Auto 引擎。 Supported Sites / 支持站点 chatgpt.com / chat.openai.com / gemini.google.com / claude.ai Privacy / 隐私 All processing runs locally in page DOM. No conversation upload. 所有处理仅在本地页面 DOM 完成，不上传对话内容。