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Find PKMDS for Web on... the web! https://pkmds.app/ Now supports Pokémon Legends: Z-A! Fully works offline after initial caching! GitHub Repo: https://github.com/codemonkey85/PKMDS-Blazor Issue tracker: https://github.com/codemonkey85/PKMDS-Blazor/issues Hello all. Some of you might remember me and / or PKMDS, but most likely not. But I have returned from years of quiet meditation (work and family) to bring PKMDS back to a modern generation of gamers. Introducing: PKMDS for Web! Built as an ASP.NET Core web app using Blazor WebAssembly for UI, and leveraging PKHeX.Core as the logical foundation, PKMDS for Web is intended to be a save editor for all Pokémon games, with support for all modern browsers (including mobile). Development will probably be very slow, since this is just a fun side-project for me. Contributions and suggestions are welcome - feel free to create an issue and / or pull request on the GitHub repo. Special thanks to @Kaphotics and everyone who contributed to PKHeX over the years. I'm standing on your collective shoulders (although feel free to steal as much as you want if you ever intend to make a web-based PKHeX ). If you have any issues, you may report them here, or feel free to create an issue on the GitHub repository. 12/23/2025 Update: As of version 2025.12.23.0, support for drag and drop has been added! This has been the top wishlist item on my mind since the beginning, and I finally got around to it (with a lot of help from GitHub Copilot). You can drag and drop Pokémon to reorder them in your party, to reorder them in a box, or to transfer between party and box. You can also drag and drop a Pokémon file (.pk9 etc.) into a slot to import it into your game. There are some limits: You cannot drag and drop a Pokémon out into your file system. Sorry! I tried, but there were complications. You cannot drag and drop to transfer between party and box in Let's Go Pikachu / Eevee. You can still drag and drop to reorder your party though. It doesn't look like iOS / iPadOS Safari supports drag and drop. Your mileage may vary on other mobile devices / browsers! Enjoy!

I've updated my post with a link to pret's disassembly of emerald, which shows the structures for value & flag storage. In the disassembly, they remark how the Received Jirachi flag isn't accessible for Emerald, but if you hack the distribution disc to allow connecting to Emerald, it would still work the same. Might be iffy as a distribution disc might not know about a future game's overall structure (correct offset to interpret the struct at) but both structures are present for all mainline games apparently.

The Generation 3 mainline saves have an `ExternalEventData` region that is used by linked games like C/XD/Event Discs. PKHeX just implements them all as shared values because there's nothing known to be reusing the same offset within the struct that is version exclusive. https://github.com/pret/pokeemerald/blob/2304283c3ef2675be5999349673b02796db0827d/include/global.h#L932