Offline fan-made toolkit

Diablo I Companion

Item rarity calculator, searchable game-data browsers, dream-item eligibility tools, a local Holy Grail tracker, wishlist, notes, and portable JSON backups — all in one HTML file.

Language / Nyelv Game / Játék

Build an Item

Original Diablo algorithm

Results

No calculation

Dream Item Finder

Choose a base and one or two affixes. This module checks basic class compatibility and compares item level with affix quality levels. Use the Rarity Calculator for the full drop probability.

Base item

Prefix

Suffix

Quick target name

Eligibility Report

Select an item and click Analyze.

Base Item Encyclopedia

Name	Item level	Internal class	Calculator group

Affix Encyclopedia

Name	Type	qlvl	Eligible classes	Cursed	Double chance

Unique Monster Encyclopedia

Name	mlvl	Item level	Monster type	Dungeon level	Drop modifier

Holy Grail Tracker

Saved locally

Found0

Total0

Progress0%

The included list is an editable starter set for convenience. Add, rename, or remove entries to match your preferred Diablo/Hellfire grail rules.

Notes & Wishlist

Personal notes Wishlist (one item per line)

Portable Backup

Export your grail progress, custom items, wishlist, and notes to JSON. You can import the file in another browser or computer.

Import JSON

StorageThe application uses your browser's localStorage. No data is uploaded anywhere.