Loot Table Visualizer - Drop Rate Calculator

Visualize drop rates and loot tables for games. Calculate expected drops, pity systems, weighted probabilities. Export charts. Perfect for game design.

Loot Table

Total: 0% (will normalize if over 100%)

Quick Presets

Pity System

Drop Simulator

Number of Drops

Click "Run Simulation" to test drop rates

Visualization

Statistics

Total Items

Entropy

0 bits

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Frequently Asked Questions

Click 'Add Item' to add a new row. Enter the item name, drop rate (as percentage), and optionally a rarity tier. Rates will automatically normalize if they exceed 100%.

Weighted probability distributes drop chances based on relative weights rather than fixed percentages. If you have items weighted 1, 2, and 3, they have 16.7%, 33.3%, and 50% chances respectively.

Pity systems guarantee drops after a certain number of attempts. Enter your pity threshold and soft/hard pity percentages. The calculator shows expected attempts and cumulative probability.

View your loot table as a pie chart, bar chart, or cumulative distribution graph. Each shows drop rates clearly and can be exported as PNG images.

Yes! Import from JSON or CSV format. The tool accepts common game data formats and automatically maps item names and drop rates.

Expected attempts shows the average number of tries needed to get each item once. For a 10% drop rate, you'd expect around 10 attempts on average.

Use the simulator to run virtual drops. Set the number of attempts and see actual results compared to expected outcomes. Great for testing RNG fairness.

Yes! Loot tables are saved to browser storage automatically. You can also export as JSON for sharing or backup.

Yes! Adjust soft pity, hard pity, and rate increase values to model different pity mechanics. The calculator shows cumulative probability curves for any configuration.

Click 'Download Chart' to save the current visualization as a PNG image. Perfect for documentation, presentations, or sharing with your team.

Import Loot Table

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