ContextClip

Research-grade text capture with context extractionand highlighting, metadata, projects, versioning, and academic export formats.

📚 ContextClip - Academic Text Capture and Highlighting with Context - all offline, no accounts, no cloud, no fuss. Capture, highlight and organize text snippets with surrounding context for research and citation management. ✨ KEY FEATURES 📝 Smart Text Capture • Select any text on a webpage and save it with surrounding context • Configurable context range: 1-5 sentences before/after (default: 3) • Automatic link extraction from selected text (max 5 links, filtered for relevance) • Visual page preview thumbnails (60x60px) for each snippet • Highlight selected text within context for easy reference • Quick capture sidebar for on-page snippet management • Two context menu options: Quick Save or Save with Sidebar 🎨 Web Highlighting System • Highlight text directly on web pages with multiple colors • Add notes to highlights for context and annotations • Organize highlights into folders with color-coded tree view • Drag and drop highlights between folders for easy organization • Nested folder support with visual hierarchy • Auto-contrast text colors for readability on any background (works in dark mode!) • Highlights persist across page visits with smart restoration • Separate highlights manager with filters, search, and bulk operations • Convert highlights to snippets for deeper research analysis • Click existing highlights to edit color, note, or folder 🔍 Advanced Organization • Project management with many-to-many relationships (snippets can belong to multiple projects) • Filter by category, tags, domain, project, captured date, or publication date • Reading status tracking: 📚 To Read | ✓ Reviewed | 📝 Used in Paper • Language detection with flag indicators (auto-extracted from HTML) • Auto-tag snippets with domain name (optional) • Full-text search across all snippets and metadata • Tag and category autocomplete suggests existing values while typing • Color-coded project pills for visual organization • Lazy loading for large collections 📊 Temporal Trace Timeline • Visual timeline of your knowledge acquisition journey • Interactive bar charts showing snippet collection over time • Multiple view modes: Daily, Weekly, Monthly, Yearly • Group by Source, Category, Tag, or Project • Reading status visualization with stacked charts • Timeline flow diagram showing collection patterns • Statistics dashboard with key metrics • Click on time periods to see detailed snippet lists 📋 One-Click Citations • Copy snippets with citations in multiple formats • Formats: Plain Text, Markdown, BibTeX, RIS, JSON • Export selected or all snippets to files • Extracted links included in all export formats • Perfect for academic research and papers 🌐 Source Verification • Live status check for source URLs • Visual indicators: 🟢 Online | 🟠 Redirecting | 🔴 Offline • "Return to Source" feature opens the source page and scrolls to original text location • Smart text highlighting on source pages 📊 Rich Metadata • Author, publication date, category, projects, and custom tags • HTML language detection with country flag indicators • Automatic link extraction with smart filtering (excludes social/share buttons) • Related links section shows extracted URLs with domain and link text • Visual page thumbnails for quick recognition • Notes and version history for each snippet • SHA-256 checksums for data integrity • Domain and URL tracking • Immutable raw text preservation for verification 💾 Import & Export • Full backup/restore: Export and import all data with settings • Collection sharing: Export only snippets/highlights (without personal settings) • Merge or replace options when importing • Preview what will be imported before confirming merge • File validation prevents corrupted data imports • Formats: JSON, Markdown, Plain Text, BibTeX, RIS ⚙️ Settings & Customization • Centralized settings page with tabbed interface • Configure context sentence range (1-5 sentences) • Toggle quick capture sidebar, auto-tagging, and context capture • Storage information dashboard (snippet count, highlight count, MB used) • Import/export with merge preview showing what will be added • Delete all data with double confirmation protection 🎯 Built for Researchers • Academic-themed interface with glassmorphism design • Visual thumbnails in snippet list for quick page recognition • Link badges show number of extracted links per snippet • Project CRUD operations with smart orphan detection • Bulk operations (select multiple, delete all) • Three-column layout: Filters | List | Details • Reading status indicators with flag emojis for easy scanning • Language flags for international research • Temporal Trace timeline visualization • Keyboard shortcuts for quick capture (Alt+Shift+S / Option+Shift+S) • Auto-refresh when switching between tabs • Flexible context extraction works across element boundaries 🔒 Privacy First • All data stored locally in your browser • No cloud sync, no external servers • Your research stays private Perfect for students, researchers, journalists, writers, and anyone who needs to collect and cite sources professionally. --- 💡 HOW TO USE 1. Select text on any webpage 2. Right-click → "Quick save" (instant) or "Save with Sidebar" (with options) 3. Optionally add category, tags, projects, and notes in the quick capture sidebar 4. View and manage in the ContextClip Manager 5. Browse visual thumbnails and link badges in the snippet list 6. Check extracted links in the "Related Links" section 7. Organize by projects, set reading status, and add notes 8. Copy with citation or export in your preferred format (links included) 9. Open Temporal Trace to visualize your research timeline 🎨 HOW TO USE HIGHLIGHTS 1. Select text on any webpage 2. Click on a color in the toolbar to highlight 3. Add notes or assign to folders for organization 4. Click on existing highlights to edit color, note, or folder 5. Manage all highlights in the Highlights Manager 6. Drag highlights between folders or convert to snippets 🎓 Designed for academic rigor, built for everyday research.