BriseFeed builds small, free tools for people who play games. Each one runs in your browser, needs no account, and does not store anything you enter.
Game calculators
- Pity calculator for Genshin Impact, Honkai: Star Rail and Zenless Zone Zero: your real chance of the featured character, including your current pity and the 50/50 guarantee.
- General pity and drop rate calculator: enter any game’s odds, soft pity and hard pity to see how many pulls you need and what it costs.
- In-game currency pack value calculator: find the cheapest combination of currency packs for the item you want, and see the real price per unit of every pack.
- FPS and frame time calculator: convert FPS to frame time, and analyze a capture for average FPS, 1% lows and stutter.
- Robux calculator: the cheapest combination of Robux packs for what you want to buy, and the price per Robux.
- Free Fire diamond calculator: the cheapest combination of top-up packs and the price per diamond.
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Want to understand the design behind these tools? Read our guides on loot boxes and random rewards and what pay to win actually means.