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Dex

A living-dex tracker that knows what is in every box, in every game.

What it does

Dex keeps track of which Pokémon are owned, where they are stored, and how they are built. Box grids match the real in-game PC boxes, so the screen looks like the thing you are organising.

Features

  • Real box grids

    Thirty-slot boxes per game and for Pokémon HOME, laid out like the console.

  • The full catalog

    All 1,025 species, regional forms and ten regional dexes, including the newest game and its expansion.

  • Search by colour

    Filter by name, type or colour. Colours are read from the sprites themselves, shiny variants included.

  • Build cards

    Swipeable cards for competitive builds, and a button that drafts a new one in the background.

How it was built

The catalog is one static JSON file and sprites are cached on the server. The colour reader is hand-written with no dependencies.