A curated collection of powerful JavaScript bookmarklets for OSINT, CTFs, and web research
"The trouble is, you think you have time." - Make web investigation easier with thesebookmarklets.
Visit the Interactive Installer for the easiest experience
Our enhanced installation page features:
- Drag & Drop Installation: Simply drag buttons to your bookmark bar
- Copy Code Option: Manual installation with one-click copying
- Professional Interface: Clean, modern design with search functionality
- Mobile Responsive: Works perfectly on all devices
- Browse individual bookmarklet folders (e.g.,
bookmarklet-url-extractor/) - Copy the minified JavaScript code at the bottom of the
.jsfile - Create a new bookmark in your browser
- Paste the code as the bookmark URL
- Click the bookmark on any webpage to activate
"Better than a thousand hollow words, is one word that brings peace. These tools aim to bring clarity to the complex digital world."
| Tool | Description | Key Features |
|---|---|---|
| 🔍 Expose Hidden Content | Reveals hidden HTML comments and concealed elements for thorough content analysis | Comments highlighting, hidden elements, color-coded display, interactive control panel, non-destructive analysis |
| 🔗 URLs Extractor | Advanced URL extraction tool that creates both TXT and HTML reports with detailed analysis | Links & resources extraction, searchable HTML reports, Base64 content handling, TXT & HTML outputs, statistics |
| 🖼️ Enhanced Image Downloader | Advanced image downloader with size filtering, auto-scrolling, and comprehensive metadata | Interactive size filtering, auto-scroll lazy loading, selective download interface, original filename preservation, README generation |
| 📄 LinkedIn OSINT Extractor | Advanced LinkedIn OSINT tool that extracts comprehensive post and comment data with detailed analysis | Post & author extraction, precise timestamps, TXT/JSON/HTML/CSV reports, engagement metrics, top commenters analysis |
Professional-grade OSINT tool for comprehensive LinkedIn data extraction. Extracts posts, comments, user profiles, and engagement metrics with precise timestamp calculation and multiple export formats.
Professional Features:
- Comprehensive post and comment extraction
- Precise UTC timestamp calculation from LinkedIn IDs
- Multiple export formats (TXT, JSON, HTML, CSV)
- User engagement analysis and metrics
- Top commenters identification and ranking
- Chronological timeline generation
Bookmarklets are small JavaScript programs stored as bookmarks in your browser. When clicked, they run on the current webpage to add functionality, extract information, or modify the page's behavior.
Advantages:
- ✅ No installation required - No browser extensions needed
- ✅ Universal compatibility - Work on any website and browser
- ✅ Privacy-friendly - Run entirely locally in your browser
- ✅ Lightweight & fast - Instant execution with minimal overhead
- ✅ Portable - Easy to share and backup
- ✅ Professional grade - Used by security researchers and investigators
- Web application security testing
- Content analysis and investigation
- Hidden information discovery
- Social media intelligence gathering
- HTML comment and metadata analysis
- Hidden element revelation
- URL and resource extraction
- Data forensics and investigation
- Social media data extraction
- Profile and engagement analysis
- Comprehensive reporting and documentation
- Timeline and relationship mapping
This project is licensed under the MIT License - see the LICENSE file for details.
If you find this collection valuable for your OSINT, security research, or CTF activities:
- ⭐ Star this repository to help others discover these tools
- 🔄 Share with your community - Security researchers, CTF teams, OSINT analysts
- 🤝 Contribute new bookmarklets or improvements
- 📢 Spread the word on social media and forums
Made with ❤️ for the OSINT and security research community