A powerful Chrome extension that helps you analyze job postings on StepStone and Indeed by comparing them with your CV using AI, plus displays Kununu company ratings.
- Upload Your CV: Support for PDF and DOCX formats
- AI-Powered Analysis: Uses DeepSeek AI to compare your CV against job descriptions
- Match Scoring: Get a percentage match score (0-100%)
- Skills Analysis: See which skills match and which are missing
- Detailed Insights: Comprehensive analysis of strengths, gaps, experience, and education
- Actionable Recommendations: Get specific advice to improve your application
- Company Ratings: Display Kununu rating badges on job listings
- Smart Positioning: Badge appears near company name or floats in corner
- Preview Overlay: Click badge to preview Kununu profile in iframe
- Auto-Detection: Automatically identifies companies and suggests Kununu URLs
- SPA-Resilient: Works seamlessly with single-page applications
- StepStone (stepstone.de)
- Indeed (all regions: .com, .de, .co.uk, etc.)
- Chrome Browser (version 114 or later for side panel support)
- DeepSeek API Key (get one at https://platform.deepseek.com)
- PDF/DOCX Parsing Libraries (see setup below)
-
Download Required Libraries
The extension needs two libraries for CV parsing. Download them:
# PDF.js for PDF parsing curl -o lib/pdf.min.js https://cdn.jsdelivr.net/npm/pdfjs-dist@3.11.174/build/pdf.min.js curl -o lib/pdf.worker.min.js https://cdn.jsdelivr.net/npm/pdfjs-dist@3.11.174/build/pdf.worker.min.js # Mammoth.js for DOCX parsing curl -o lib/mammoth.browser.min.js https://cdn.jsdelivr.net/npm/mammoth@1.6.0/mammoth.browser.min.js
See
lib/README.mdfor more details. -
Load Extension in Chrome
- Open Chrome and navigate to
chrome://extensions/ - Enable "Developer mode" (toggle in top-right)
- Click "Load unpacked"
- Select the
CompanyLensdirectory - Verify the extension appears and is enabled
- Open Chrome and navigate to
-
Configure the Extension
- Click the Company Lens icon in your toolbar
- Upload your CV (PDF or DOCX format)
- Enter your DeepSeek API key
- Click "Save" to store your API key
-
Navigate to a Job Listing
- Go to StepStone or Indeed
- Open any job detail page
-
Start Comparison
- Click the Company Lens extension icon
- Click "Compare with Job" button
- Wait 10-20 seconds for AI analysis
-
View Results
- Results open automatically in the side panel
- See your match score, matching skills, and gaps
- Switch between Summary and Detailed views
- Read recommendations for improving your application
-
Badge Display
- Kununu badge appears automatically on job pages
- Shows "K Kununu: —" placeholder
-
Preview Company Profile
- Click the badge to open Kununu preview overlay
- Browse company reviews and ratings
- Edit/save company slug mappings if needed
CV Management:
- Upload a new CV to replace the existing one
- Delete your CV anytime using the "Delete CV" button
- CV is stored locally in browser storage (not sent anywhere except during comparison)
API Key Management:
- Update your API key anytime
- API key is stored securely in local storage
- Never shared or logged
Company Lens/
├── manifest.json # Extension configuration (MV3)
├── background.js # Service worker for API calls
├── content/
│ ├── content.js # Main content script (badge + job extraction)
│ └── diagnostics.js # Diagnostics overlay
├── popup/
│ ├── popup.html # Extension popup UI
│ └── popup.js # Popup logic (CV upload, API key, comparison)
├── sidepanel/
│ ├── sidepanel.html # Comparison results UI
│ ├── sidepanel.css # Styling
│ └── sidepanel.js # Results display logic
├── utils/
│ ├── cv-storage.js # CV and API key storage
│ └── file-parser.js # PDF/DOCX parsing
├── lib/
│ ├── pdf.min.js # PDF.js library
│ ├── pdf.worker.min.js # PDF.js worker
│ └── mammoth.browser.min.js # Mammoth.js library
└── icons/ # Extension icons
- CV Text: Stored in
chrome.storage.local(up to 4MB) - API Key: Stored securely in
chrome.storage.local - Comparison Results: Cached in
chrome.storage.local - Company Mappings: Saved Kununu slug mappings
✅ Your data stays local
- CV and API key stored only in your browser
- No data sent to Company Lens servers (we don't have any!)
- API calls go directly from your browser to DeepSeek
✅ API Usage
- Your API key is used only for comparisons you initiate
- Costs depend on your DeepSeek pricing plan
- Typical comparison: ~2000-4000 tokens
✅ No Tracking
- No analytics or telemetry
- No external network calls except to DeepSeek API during comparisons
- Open source - audit the code yourself
- CV Parsing: 1-5 seconds depending on file size
- AI Comparison: 10-20 seconds via DeepSeek API
- Badge Injection: <3ms main thread impact
- Storage Limits: ~4MB for CV (sufficient for most CVs)
Edit styles in content/content.js within the createBadgeContent() function:
.kununu-badge {
background: linear-gradient(135deg, #00b8d4 0%, #0097a7 100%);
color: white;
font-size: 13px;
// ... modify as needed
}Edit colors in sidepanel/sidepanel.css:
.sidepanel__header {
background: linear-gradient(135deg, #00b8d4 0%, #0097a7 100%);
/* Change colors here */
}"PDF appears to be empty"
- Your PDF may be image-based (scanned)
- Use a text-based PDF or OCR tool first
"File too large"
- Maximum size: 10MB for upload, 4MB for storage
- Compress your PDF or remove images
"PDF.js library not loaded"
- Download libraries from
lib/README.md - Reload extension after adding libraries
"Could not extract job description"
- Make sure you're on a job detail page (not search results)
- Try refreshing the page
- Some job sites may have incompatible layouts
"Invalid API key"
- Verify your DeepSeek API key starts with "sk-"
- Check your API key is active on DeepSeek platform
- Try regenerating a new key
"Rate limit exceeded"
- DeepSeek has rate limits on API calls
- Wait a few minutes and try again
- Check your DeepSeek account quotas
Side panel doesn't open
- Requires Chrome 114+
- Check if side panel permission is granted
- Try clicking the extension icon to trigger comparison
Badge not appearing
- Verify you're on StepStone or Indeed
- Check extension is enabled
- Try refreshing the page
- Open DevTools console to check for errors
Potential features for future versions:
- Support for more file formats (RTF, TXT)
- Multiple CV profiles
- Job application tracking
- Cover letter generation
- Interview question suggestions
- Salary insights integration
- More job sites support
- Offline AI comparison (local models)
- Browser-wide comparison history
Major Features:
- ✨ AI-powered CV comparison with DeepSeek
- 📄 CV upload support (PDF and DOCX)
- 🔑 DeepSeek API key management
- 📊 Match scoring and skills analysis
- 🎯 Detailed recommendations
- 🖼️ Side panel for results display
- 🏢 Job description extraction for StepStone and Indeed
Improvements:
- Renamed from "Kununu Badge" to "Company Lens"
- Enhanced UI with modern design
- Better error handling and user feedback
- Comprehensive documentation
Initial Release:
- Kununu badge display on StepStone and Indeed
- Shadow DOM isolation
- SPA navigation resilience
- Badge preview overlay
- Company slug auto-detection
This is an open-source project. Contributions are welcome!
- Clone the repository
- Install libraries (see
lib/README.md) - Load extension in Chrome (developer mode)
- Make changes and test
- Submit pull request
- ES6+ JavaScript
- No external dependencies (except parsing libraries)
- Comprehensive error handling
- Console logging for debugging
- Comments for complex logic
This project is open source and available for educational and personal use.
- PDF.js: Apache License 2.0 (Mozilla)
- Mammoth.js: BSD 2-Clause License
- DeepSeek API: Commercial usage subject to DeepSeek terms
- This extension is not affiliated with StepStone, Indeed, Kununu, or DeepSeek
- Use responsibly and in accordance with each platform's terms of service
- API usage may incur costs on your DeepSeek account
- The extension is provided "as is" without warranty
Built with ❤️ for job seekers
Version 2.0.0 • Last Updated: October 2025
Made by developers, for developers (and everyone else job hunting!)