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Web app · 2026

Palworld Calculator

Your save file, read in the browser.

In progress

A calculator for the game Palworld: full crafting tree, raw resources, a breeding planner, and a browser for your own Pals straight from your save file.

save formats
2

What I built

  • Crafting tree and raw-resource totals for any item.
  • Todo and stock tracking, and a breeding planner.
  • Reads Level.sav saves in the browser, both zlib and Oodle.
  • Game data generated from the game files by Node scripts.

The challenges

01

Decompressing Oodle client-side

Recent saves use Oodle compression: a decoder compiled to WebAssembly reads them with no server involved.

Stack

  • JavaScript
  • IndexedDB
  • WebAssembly
  • Node.js
Year
2026
Type
Web app
Source code
Private repository