Bring your ROM once. Play everything it unlocks.
Link your legally-obtained base ROM one time and Hackdex caches it on your device. Patch any Pokémon ROM hack built for it, right in your browser, without ever re-uploading. Your files never leave your device.
Supports Game Boy, Game Boy Color, Game Boy Advance, and Nintendo DS.
Trending this week
Popular over the last few days.
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Seed Emerald Demo@creator1.0Approved dev hack for discover, download, and in-browser patching.StoryTons of QoLEmerald30
Seed All Downloads@creatorAlpha1.0 + 2.0Approved hack with All download permission across published versions.Multiplayer CompatibilityTons of QoLEmerald27
Seed Third PartyFamous Hacker1.0Approved hack credited to an external original author.FakemonTons of QoLEmerald15
Seed Current Only@creatorDemo2.0Approved hack with Current download permission.Open WorldGen 3 NatDexEmerald12
Seed Patcher Only Admin 1@admin2.0Editable sandbox with patcher-only download permission (None).Open WorldTons of QoLEmerald0
Seed Patcher Only Admin 2@admin2.0Editable sandbox with patcher-only download permission (None).HardTons of QoLEmerald0
Seed Patcher Only Admin 3@admin2.0Editable sandbox with patcher-only download permission (None).StoryTons of QoLEmerald0
Seed Patcher Only Creator 1@creator2.0Editable sandbox with patcher-only download permission (None).Open WorldTons of QoLEmerald0
Seed Patcher Only Creator 2@creator2.0Editable sandbox with patcher-only download permission (None).HardTons of QoLEmerald0
Seed Patcher Only Creator 3@creator2.0Editable sandbox with patcher-only download permission (None).StoryTons of QoLEmerald0
Seed Patcher Only Creator2 1@creator22.0Editable sandbox with patcher-only download permission (None).Open WorldTons of QoLEmerald0
Seed Patcher Only Creator2 2@creator22.0Editable sandbox with patcher-only download permission (None).HardTons of QoLEmerald0New on Hackdex
The latest hacks to be listed.
See allSeed Patcher Only Admin 1@admin2.0Editable sandbox with patcher-only download permission (None).Open WorldTons of QoLEmerald0Seed Patcher Only Admin 2@admin2.0Editable sandbox with patcher-only download permission (None).HardTons of QoLEmerald0Seed Patcher Only Admin 3@admin2.0Editable sandbox with patcher-only download permission (None).StoryTons of QoLEmerald0Seed Patcher Only Creator 1@creator2.0Editable sandbox with patcher-only download permission (None).Open WorldTons of QoLEmerald0Seed Patcher Only Creator 2@creator2.0Editable sandbox with patcher-only download permission (None).HardTons of QoLEmerald0Seed Patcher Only Creator 3@creator2.0Editable sandbox with patcher-only download permission (None).StoryTons of QoLEmerald0Seed Patcher Only Creator2 1@creator22.0Editable sandbox with patcher-only download permission (None).Open WorldTons of QoLEmerald0Seed Patcher Only Creator2 2@creator22.0Editable sandbox with patcher-only download permission (None).HardTons of QoLEmerald0
Seed Patcher Only Creator2 3@creator22.0Editable sandbox with patcher-only download permission (None).StoryTons of QoLEmerald0
Seed Draft Version@creator2.0Approved hack with a published current version and an unpublished draft.StoryTons of QoLEmerald0
Seed Archived Version@creator2.0Approved hack with an archived older version and a current release.Post-Game ContentGen 3 NatDexEmerald0
Seed Xdelta Demo@creator1.0Approved hack with a published xdelta patch.New MechanicsTons of QoLEmerald0Recently updated
Fresh patches from creators still at work.
See allSeed Patcher Only Admin 1@admin2.0Editable sandbox with patcher-only download permission (None).Open WorldTons of QoLEmerald0Seed Patcher Only Admin 2@admin2.0Editable sandbox with patcher-only download permission (None).HardTons of QoLEmerald0Seed Patcher Only Admin 3@admin2.0Editable sandbox with patcher-only download permission (None).StoryTons of QoLEmerald0Seed Patcher Only Creator 1@creator2.0Editable sandbox with patcher-only download permission (None).Open WorldTons of QoLEmerald0Seed Patcher Only Creator 2@creator2.0Editable sandbox with patcher-only download permission (None).HardTons of QoLEmerald0Seed Patcher Only Creator 3@creator2.0Editable sandbox with patcher-only download permission (None).StoryTons of QoLEmerald0Seed Patcher Only Creator2 1@creator22.0Editable sandbox with patcher-only download permission (None).Open WorldTons of QoLEmerald0Seed Patcher Only Creator2 2@creator22.0Editable sandbox with patcher-only download permission (None).HardTons of QoLEmerald0Seed Patcher Only Creator2 3@creator22.0Editable sandbox with patcher-only download permission (None).StoryTons of QoLEmerald0Seed Draft Version@creator2.0Approved hack with a published current version and an unpublished draft.StoryTons of QoLEmerald0Seed Archived Version@creator2.0Approved hack with an archived older version and a current release.Post-Game ContentGen 3 NatDexEmerald0Seed Xdelta Demo@creator1.0Approved hack with a published xdelta patch.New MechanicsTons of QoLEmerald0How it works
- 1Link your base ROM
Point Hackdex at your legally-obtained ROM file. It's verified and matched automatically.
- 2It stays on your device
Your ROM is cached locally in your browser, never uploaded, and ready whenever you come back.
- 3Patch hack after hack
Pick any hack built for your ROM and patch it in your browser in seconds, with no re-uploading between hacks.