lorenzozane/openrouter-costs-visualizer

Visualize OpenRouter CSV usage costs by model and over time.

OpenRouter Costs Visualizer

Visualize OpenRouter CSV usage costs by model and over time.

• Drag & drop multiple CSV files (duplicates removed)
• Model/date filters, column visibility
• Sortable table
• Charts: cost by model, cost over time
• Settings saved locally

Quick start

• Double-click index.html, or

• In VS Code: right‑click index.html → “Open with Live Server”, or

• Terminal (Windows):

  • npx http-server . -p 8080 then open http://localhost:8080

No build step required.

Privacy

All processing happens in browser. Files never leave the machine.

Contribution

The extension is built using vanilla JavaScript and HTML/CSS (using chart.js for charts)

Any kind of contributions are welcomed!

• Open an issue with detailed information to Report Bugs.
• Create an issue to discuss New Features.
• Fork the repository, make your changes, and submit a pull request.

When contributing code, please maintain the vanilla structure of the project without introducing additional frameworks or unnecessary dependencies.