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Gacha Simulator

Simulate gacha banner pulls with custom rarity rates and see how many high-tier drops you can expect.

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Rates (percent) Number of pulls

What this tool does

Gacha Simulator helps you simulate gacha banner pulls with custom rarity rates and see how many high-tier drops you can expect.

What you get

Gacha Simulator produces a direct output in this page and keeps all processing on your device, with nothing uploaded to our servers.

Report a bug

If this tool misbehaves, share a quick summary so we can investigate. We include the tool URL automatically—no need to copy and paste.