{"id":22246126,"url":"https://github.com/dawnbrandbots/deck-transfer-for-master-duel","last_synced_at":"2025-09-21T00:45:31.825Z","repository":{"id":188731297,"uuid":"604439925","full_name":"DawnbrandBots/deck-transfer-for-master-duel","owner":"DawnbrandBots","description":"A browser extension to import and export Yu-Gi-Oh! decks from Master Duel and Neuron, and download public decks from the official card database.","archived":false,"fork":false,"pushed_at":"2025-08-31T13:36:35.000Z","size":2312,"stargazers_count":13,"open_issues_count":6,"forks_count":0,"subscribers_count":2,"default_branch":"master","last_synced_at":"2025-08-31T15:32:18.322Z","etag":null,"topics":["browser-extension","chrome-extension","extension","firefox-addon","firefox-extension","javascript","js","master-duel","masterduel","playwright","userscript","web-extension","webextension","yu-gi-oh","yugioh"],"latest_commit_sha":null,"homepage":"https://ygoprodeck.com/decks/transfer-tool/","language":"JavaScript","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"gpl-3.0","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/DawnbrandBots.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"COPYING","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null,"zenodo":null},"funding":{"github":null,"patreon":"alphakretinbots","open_collective":null,"ko_fi":"dawnbrandbots","tidelift":null,"community_bridge":null,"liberapay":null,"issuehunt":null,"otechie":null,"custom":null}},"created_at":"2023-02-21T04:00:22.000Z","updated_at":"2025-08-31T13:36:39.000Z","dependencies_parsed_at":null,"dependency_job_id":"845fc401-b6b1-455a-bca8-1298b2911eb1","html_url":"https://github.com/DawnbrandBots/deck-transfer-for-master-duel","commit_stats":null,"previous_names":["dawnbrandbots/deck-transfer-for-master-duel"],"tags_count":4,"template":false,"template_full_name":null,"purl":"pkg:github/DawnbrandBots/deck-transfer-for-master-duel","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/DawnbrandBots%2Fdeck-transfer-for-master-duel","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/DawnbrandBots%2Fdeck-transfer-for-master-duel/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/DawnbrandBots%2Fdeck-transfer-for-master-duel/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/DawnbrandBots%2Fdeck-transfer-for-master-duel/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/DawnbrandBots","download_url":"https://codeload.github.com/DawnbrandBots/deck-transfer-for-master-duel/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/DawnbrandBots%2Fdeck-transfer-for-master-duel/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":276179882,"owners_count":25598571,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","status":"online","status_checked_at":"2025-09-20T02:00:10.207Z","response_time":63,"last_error":null,"robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":true,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["browser-extension","chrome-extension","extension","firefox-addon","firefox-extension","javascript","js","master-duel","masterduel","playwright","userscript","web-extension","webextension","yu-gi-oh","yugioh"],"created_at":"2024-12-03T05:26:13.252Z","updated_at":"2025-09-21T00:45:31.794Z","avatar_url":"https://github.com/DawnbrandBots.png","language":"JavaScript","funding_links":["https://patreon.com/alphakretinbots","https://ko-fi.com/dawnbrandbots"],"categories":[],"sub_categories":[],"readme":"# ![Icon](./src/icon/48.png) Deck transfer for Yu-Gi-Oh! Master Duel and Neuron\n\n\u003c!-- https://extensionworkshop.com/assets/img/documentation/publish/get-the-addon-178x60px.dad84b42.png --\u003e\n\u003c!-- The following two images are from https://github.com/gorhill/uBlock --\u003e\n[![Get the Firefox add-on](https://user-images.githubusercontent.com/585534/107280546-7b9b2a00-6a26-11eb-8f9f-f95932f4bfec.png)](https://addons.mozilla.org/firefox/addon/deck-transfer-for-master-duel/?utm_source=github\u0026utm_campaign=readme \"Get the Firefox add-on\")\n[![Available in the Chrome Web Store](https://user-images.githubusercontent.com/585534/107280622-91a8ea80-6a26-11eb-8d07-77c548b28665.png)](https://chrome.google.com/webstore/detail/lgcpomfflpfipndmldmgblhpbnnfidgk?utm_source=github\u0026utm_campaign=readme \"Get the Chromium add-on\")\n\n\u003ca href=\"https://chrome.google.com/webstore/detail/lgcpomfflpfipndmldmgblhpbnnfidgk?utm_source=github\u0026utm_campaign=readme-edge\" title=\"Install for Microsoft Edge from the Chrome Web Store\"\u003e\u003cimg height=\"64\" src=\"https://raw.githubusercontent.com/MicrosoftEdge/Demos/9e91627ea7f13d7275b9c11d94322ecfaf5d6d28/shared/img/logo1024.png\" alt=\"Microsoft Edge\" /\u003e\u003c/a\u003e\n\u0026nbsp;\n\u003ca href=\"https://chrome.google.com/webstore/detail/lgcpomfflpfipndmldmgblhpbnnfidgk?utm_source=github\u0026utm_campaign=readme-opera\" title=\"Install for Opera from the Chrome Web Store\"\u003e\u003cimg height=\"64\" src=\"https://upload.wikimedia.org/wikipedia/commons/thumb/4/49/Opera_2015_icon.svg/240px-Opera_2015_icon.svg.png\" alt=\"Opera\" /\u003e\u003c/a\u003e\n\u0026nbsp;\n\u003ca href=\"#installing-on-safari\" title=\"Install on Safari\"\u003e\u003cimg height=\"64\" src=\"https://upload.wikimedia.org/wikipedia/commons/thumb/5/52/Safari_browser_logo.svg/234px-Safari_browser_logo.svg.png\" alt=\"Safari\" /\u003e\u003c/a\u003e\n\u0026nbsp;\n\u003ca href=\"#installing-on-android\" title=\"Install on Android\"\u003e\u003cimg height=\"64\" src=\"https://upload.wikimedia.org/wikipedia/commons/thumb/7/71/Android_Logo_2014_-_2019.svg/480px-Android_Logo_2014_-_2019.svg.png\" alt=\"Android\" /\u003e\u003c/a\u003e\n\n[Import](#importing) and [export](#exporting) Yu-Gi-Oh! decks from Master Duel and Neuron in YDK format and YDKE URLs via Konami's official card database.\nDirectly import decks from [YGOPRODECK](https://ygoprodeck.com) and other communities.\n\nKonami's official products have never interoperated with community resources,\nbut now with this browser extension, you can bring your decks in commonly-used\ndeck formats directly into the official [Yu-Gi-Oh! Master Duel](https://www.konami.com/yugioh/masterduel/) video game\nand [Neuron duel assistant phone app](https://www.konami.com/yugioh/neuron/en/).\nYou can also [download any deck](#downloading-public-decks) from the official card database, including your\nMaster Duel and Neuron decks, and share directly to YGOPRODECK.\n\n**Note**: the Opera add-ons listing is deprecated due to slow moderation of extension updates. Opera users should install\nfrom the Chrome Web Store instead like other Chromium browsers to receive the latest features and fixes.\n\n[![Lint WebExtension](https://github.com/DawnbrandBots/deck-transfer-for-master-duel/actions/workflows/lint.yml/badge.svg)](https://github.com/DawnbrandBots/deck-transfer-for-master-duel/actions/workflows/lint.yml)\n[![Test WebExtension](https://github.com/DawnbrandBots/deck-transfer-for-master-duel/actions/workflows/test.yml/badge.svg)](https://github.com/DawnbrandBots/deck-transfer-for-master-duel/actions/workflows/test.yml)\n\n![AMO version](https://img.shields.io/amo/v/deck-transfer-for-master-duel?color=E66000\u0026label=Version%20for%20Firefox\u0026logo=firefoxbrowser)\n![AMO downloads](https://img.shields.io/amo/users/deck-transfer-for-master-duel?color=E66000\u0026label=Downloads\u0026logo=firefoxbrowser)\n![AMO user rating](https://img.shields.io/amo/stars/deck-transfer-for-master-duel?color=E66000\u0026label=Rating\u0026logo=firefoxbrowser)\n\n![Chrome Web Store version](https://img.shields.io/chrome-web-store/v/lgcpomfflpfipndmldmgblhpbnnfidgk?color=EA4335\u0026label=Version%20for%20Chromium\u0026logo=chromewebstore)\n![Chrome Web Store downloads](https://img.shields.io/chrome-web-store/users/lgcpomfflpfipndmldmgblhpbnnfidgk?color=EA4335\u0026label=Downloads\u0026logo=chromewebstore)\n![Chrome Web Store user rating](https://img.shields.io/chrome-web-store/stars/lgcpomfflpfipndmldmgblhpbnnfidgk?color=EA4335\u0026label=Rating\u0026logo=chromewebstore)\n\n## Importing\n\n\u003cdetails\u003e\n    \u003csummary\u003eVideo demonstration\u003c/summary\u003e\n\n[![Video demonstration](https://img.youtube.com/vi/ImBRD6fM5Og/hqdefault.jpg)](https://www.youtube.com/watch?v=ImBRD6fM5Og\u0026utm_source=github \"Video demonstration\")\n\u003c/details\u003e\n\n\u003c!-- alternative thumbnail: https://yt-embed.live/embed?v=ImBRD6fM5Og --\u003e\n\n1. Install this extension for your browser of choice with the links above. [Check if it is working on YGOPRODECK](https://ygoprodeck.com/decks/transfer-tool/?utm_source=github\u0026utm_campaign=readme).\n1. Link your Master Duel account or Neuron app to a Konami ID. You should be able to export your decks to your official database account in the view deck screen. [See below for further explanation.](#linking-master-duel-to-the-official-database)\n1. Log into the [English official card database](https://www.db.yugioh-card.com/yugiohdb/?request_locale=en).\n1. Select \"My Deck\", then add a deck or edit any deck. On the deck editor page, you should see four new buttons injected by this extension:\n   ![Screenshot of edit deck page with new buttons](./listing/demo-import.png \"Four new buttons injected in the bottom row\")\n1. Export a deck from [YGOPRODECK](https://ygoprodeck.com) or other sources as a YDKE URL or a YDK file.\n1. Use the buttons to import your deck and save.\n1. Check in-game for your database decks and copy to your in-game decks! \u003c!-- Screenshot of where the import button is? --\u003e\n\n## Downloading public decks\n\n1. Install this extension for your browser of choice with the links above. [Check if it is working on YGOPRODECK](https://ygoprodeck.com/decks/transfer-tool/?utm_source=github\u0026utm_campaign=readme).\n1. Browse [\"Deck Search\"](https://www.db.yugioh-card.com/yugiohdb/deck_search.action?request_locale=en) on the official database in any language.\n1. When you choose a deck, you should see three new buttons injected by this extension: ![Screenshot of view deck page with new buttons](./listing/demo-export.png \"Three new export buttons, available even if not logged in\")\n1. Use the buttons to export and download the deck.\n\nNote: if you choose a deck containing cards not yet released in the current language region (e.g. OCG-only cards while viewing in English),\nthose cards will be missing from the display and the exports. In this case, try switching the database language using the\nlanguage select is in the top-right corner (e.g. switch to Japanese for OCG-only cards).\n\n## Exporting\n\n1. Install this extension for your browser of choice with the links above. [Check if it is working on YGOPRODECK](https://ygoprodeck.com/decks/transfer-tool/?utm_source=github\u0026utm_campaign=readme).\n1. Link your Master Duel account or Neuron app to a Konami ID. [See below for further explanation.](#linking-master-duel-to-the-official-database)\n1. Export your Master Duel deck to your official database account in the view deck screen.\n   ![Screenshot of view deck screen](./docs/view-deck-screen.jpg \"View deck screen on PlayStation 5. Export button is enabled\")\n   ![Screenshot of export deck prompt](./docs/view-deck-screen-export-prompt.jpg \"Prompt when export button is pressed\")\n1. Log into the [official card database](https://www.db.yugioh-card.com/yugiohdb/?request_locale=en) in any language.\n1. Select \"My Deck\" and find the exported Master Duel deck. On its page, you should see three new buttons injected by this extension, like with [public decks](#downloading-public-decks).\n1. Use the buttons to export and download the deck.\n\nNote: if your deck contains cards not yet released in the current language region (e.g. cards that debut internationally in Master Duel),\nthose cards will be missing from the display and the exports. In this case, try switching the database language using the\nlanguage select is in the top-right corner (e.g. switch to Japanese).\n\n## Linking Master Duel to the official database\n\nLink your Master Duel account to a Konami ID via the data transfer feature.\nThis is found in the hamburger menu as \"Data Transfer\", or \"Data Transfer\" in the title screen.\n\n![Title screen](./docs/title-screen.jpg \"Title screen on PlayStation 5\")\n\n![Menu item](./docs/data-transfer-menu.jpg \"Menu item on PlayStation 5\")\n\nFollow the instructions to create or log in with your Konami ID.\nYour Konami ID must be associated with a Card Game ID.\n\nAfter data transfer is set up, the card database button in the top-right of the deck screen should show the decks from your official database account.\nFurthermore, you should see the export button become available when you view your decks.\nMake sure you can log into [Konami's official card database](https://www.db.yugioh-card.com/yugiohdb/?request_locale=en)\nand access \"My Deck\" on the website.\n\nIf your Konami ID does not have a Card Game ID, you can try logging into your Konami ID in Neuron.\n\n## Installing on Safari\n\nCompatible with both macOS and iOS, if Userscripts is supported!\n\n1. Install [Userscripts](https://apps.apple.com/app/apple-store/id1463298887) from the App Store.\n1. [Enable Userscripts](https://github.com/quoid/userscripts/#usage) (iOS) following its instructions.\n1. [Download our userscript](https://dawnbrandbots.github.io/deck-transfer-for-master-duel/storm-access.user.js) to your folder for userscripts.\n1. [Check if it is working on YGOPRODECK](https://ygoprodeck.com/decks/transfer-tool/?utm_source=github\u0026utm_campaign=readme).\n\n## Installing on Android\n\nFirefox for Android supports browser extensions. Simply install from [Firefox add-ons](https://addons.mozilla.org/firefox/addon/deck-transfer-for-master-duel/?utm_source=github\u0026utm_campaign=readme) like on desktop.\n\n~~Firefox Beta supports installing extensions beyond the recommended list. If you are interested,\nyou can follow the same instructions as [Indie Wiki Buddy](https://getindie.wiki/firefox-mobile/?utm_source=dawnbrand)\nto set up. You can either create your own collection or use\ncollection owner [`17816848`](https://addons.mozilla.org/en-CA/firefox/collections/17816848/deck-transfer-for-master-duel/)\nand collection name `deck-transfer-for-master-duel`.~~\n\nUnfortunately, most other Android browsers do not support extensions.\nKiwi Browser supports Chrome extensions, but I have not tested or used this browser.\n\n## Privacy\n\nSee [PRIVACY.md](./PRIVACY.md).\n\n## Licence\n\nCopyright (C) 2023–2024 Kevin Lu. See [COPYING](./COPYING) for more details.\n\n```\nThis program is free software: you can redistribute it and/or modify\nit under the terms of the GNU General Public License as published by\nthe Free Software Foundation, either version 3 of the License, or\n(at your option) any later version.\n\nThis program is distributed in the hope that it will be useful,\nbut WITHOUT ANY WARRANTY; without even the implied warranty of\nMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\nGNU General Public License for more details.\n\nYou should have received a copy of the GNU General Public License\nalong with this program.  If not, see \u003chttps://www.gnu.org/licenses/\u003e.\n```\n\nIcon copyright (C) 2023 WolfOfWolves, used with permission.\nIcon is NOT covered under the GPL terms. All rights reserved.\n\n## Disclaimer\n\nYu-Gi-Oh! is (C) 2020 Studio Dice/SHUEISHA, TV TOKYO, KONAMI.\nMaster Duel and Neuron are produced by Konami Digital Entertainment.\nThis project is not produced by, endorsed by, supported by, or affiliated with any of them.\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fdawnbrandbots%2Fdeck-transfer-for-master-duel","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fdawnbrandbots%2Fdeck-transfer-for-master-duel","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fdawnbrandbots%2Fdeck-transfer-for-master-duel/lists"}