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Craft of Exile

Crafting odds calculator and simulator

Created by Craft of Exile

Updated 11/12/2026

Browser-based crafting calculator and simulator for PoE 1 and PoE 2 that estimates the odds and chaos cost of hitting a mod combination.

  • Calculate the odds of hitting a mod combination, including fossil and essence crafting
  • Run mass simulations and see how often each mod rolls
  • Check slam outcomes for Exalted, Conqueror, and Regal Orbs by blocking mods
  • Total the expected cost in chaos, with your own currency prices
  • Browse the mod pool for a base at any item level
  • Switch between Path of Exile 1 and Path of Exile 2 data

Best fit

Use Craft of Exile before you spend currency on a craft. It shows how likely each method is to hit the mods you want and what that costs on average, so you can compare essences, fossils, and plain orb spam before committing.

How it works

Craft of Exile runs in the browser, so there is nothing to install and it never touches the game client. Pick a base and item level, choose the mods you want, and the calculator works out the odds per attempt. The simulator rolls the craft thousands of times and reports how often each mod appears. Use the menu at the top left to switch between Path of Exile 1 and Path of Exile 2.

The site recommends its beta version for full functionality, including Allflame crafting.

Version for 3.30

As of 12 November 2026, the newest Path of Exile 1 data update in the changelog is patch 3.29.0.3 (27 July 2026). Until a 3.30 update lands, double-check odds for any mods or bases that 3.30 added or changed. The Path of Exile 2 data was last updated for patch 0.5.

PoeHow verdict

The standard tool for planning a craft. The odds and cost totals stop you from sinking currency into a method that rarely works, and because it runs in the browser it carries none of the setup or game-policy concerns of an overlay.

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This product isn't affiliated with or endorsed by Grinding Gear Games in any way.