diff --git a/README.md b/README.md
index b56470a70..c438d3f89 100644
--- a/README.md
+++ b/README.md
@@ -349,6 +349,7 @@ Developer note: The software implements the [Torznab](https://github.com/Sonarr/
  * HDBits
  * HDCenter
  * HDChina (HDWing)
+ * HDC (HDCiTY)
  * HDCity
  * HDDisk (HDD)
  * HDHome (HDBigger)
diff --git a/src/Jackett.Common/Definitions/hdc.yml b/src/Jackett.Common/Definitions/hdc.yml
new file mode 100644
index 000000000..52b00d200
--- /dev/null
+++ b/src/Jackett.Common/Definitions/hdc.yml
@@ -0,0 +1,173 @@
+---
+id: hdc
+name: HDC
+description: "HDC (HDCiTY) is a CHINESE Private Torrent Tracker for HD MOVIES / TV / GENERAL"
+language: zh-cn
+type: private
+encoding: UTF-8
+links:
+  - https://hdcity.city/
+  - https://hdcity.work/
+  - https://hdcity.leniter.org/
+  - https://hdcity4.leniter.org/
+
+caps:
+  categorymappings:
+    - {id: 401, cat: Movies, desc: "Movies/电影"}
+    - {id: 402, cat: TV, desc: "Series/剧集"}
+    - {id: 404, cat: TV/Documentary, desc: "Doc/档案记录"}
+    - {id: 405, cat: TV/Anime, desc: "Anim/动漫"}
+    - {id: 403, cat: TV, desc: "Shows/节目"}
+    - {id: 406, cat: Audio/Video, desc: "MV/音乐视频"}
+    - {id: 407, cat: TV/Sport, desc: "Sports/体育"}
+    - {id: 408, cat: Audio, desc: "Audio/音频"}
+    - {id: 727, cat: XXX, desc: "XXX/家长指引"}
+    - {id: 728, cat: Other, desc: "Edu/文档/教材"}
+    - {id: 729, cat: PC, desc: "Soft/软件"}
+    - {id: 409, cat: Other, desc: "Other/其他"}
+
+  modes:
+    search: [q, imdbid]
+    tv-search: [q, season, ep, imdbid]
+    movie-search: [q, imdbid]
+    music-search: [q]
+
+settings:
+  - name: cookie
+    type: text
+    label: Cookie
+  - name: info
+    type: info
+    label: How to get the Cookie
+    default: "<ol><li>Login to this tracker with your browser<li>Open the <b>DevTools</b> panel by pressing <b>F12</b><li>Select the <b>Network</b> tab<li>Click on the <b>Doc</b> button<li>Refresh the page by pressing <b>F5</b><li>Click on the first entry in the Left panel under the <b>Name</b> column<li>Select the <b>Headers</b> tab on the Right panel<li>Find <b>'cookie:'</b> in the <b>Request Headers</b> section<li><b>Select</b> and <b>Copy</b> the whole cookie string <i>(everything after 'cookie: ')</i> and <b>Paste</b> here.</ol>"
+  - name: sort
+    type: select
+    label: Sort requested from site
+    default: "4"
+    options:
+      "4": "created"
+      "7": "seeders"
+      "5": "size"
+  - name: type
+    type: select
+    label: Order requested from site
+    default: "desc"
+    options:
+      "desc": "desc"
+      "asc": "asc"
+  - name: info_Results
+    type: info
+    label: Settings for Results
+    default: "To use this indexer please set the following on your HDC account <b>profile</b>:<li><i>Site Language:</i><b> English</b><li><i>Torrent List Profile: </i><b>Default Modern [preview]</b><li><i>Time Type: </i><b>Time Added</b><li><i>Torrents per page:</i><b> 100</b>"
+
+login:
+  method: cookie
+  inputs:
+    cookie: "{{ .Config.cookie }}"
+  test:
+    path: pt
+    selector: a[href^="logout?key="]
+
+search:
+  paths:
+    # https://hdcity.city/pt?incldead=0&spstate=0&inclbookmarked=0&iwannaseethis=shanghai+triad&search_area=0&search_mode=0
+    # https://hdcity.city/pt?incldead=0&spstate=0&inclbookmarked=0&iwannaseethis=115012&search_area=4&search_mode=0
+    - path: pt
+  inputs:
+    $raw: "{{ range .Categories }}cat{{.}}=1&{{end}}"
+    iwannaseethis: "{{ if .Query.IMDBID }}{{ .Query.IMDBIDShort }}{{ else }}{{ .Keywords }}{{ end }}"
+    # 0 incldead 1 active 2 dead
+    incldead: 0
+    # 0 all 1 normal 2 free 3 2x 4 2xfree 5 50% 6 2x50% 7 30%
+    spstate: 0
+    # 0 title 1 descr 3 uploader 4 imdb number
+    search_area: "{{ if .Query.IMDBID }}4{{ else }}0{{ end }}"
+    # 0 AND 1 OR 2 exact
+    search_mode: 0
+    sort: "{{ .Config.sort }}"
+    type: "{{ .Config.type }}"
+
+  rows:
+    selector: div.trblock
+
+  fields:
+    title:
+      selector: div.trtop a[href^="t-"]
+    category:
+      selector: div.trm
+      attribute: style
+      filters:
+        - name: regexp
+          args: (\d+)
+    details:
+      selector: div.trtop a[href^="t-"]
+      attribute: href
+    download:
+      selector: a[href^="download?id="]
+      attribute: href
+    banner:
+      optional: true
+      selector: div.trp:not(:has(img[src$="poster.jpg"])) img
+      attribute: src
+    imdb:
+      optional: true
+      selector: a[href*="imdb.com/title/tt"]
+      attribute: href
+    size:
+      selector: div.trbo div:nth-last-child(8)
+      remove: i
+    seeders:
+      text: 0
+    seeders:
+      selector: div.trbo div:nth-last-child(7)
+      optional: true
+      filters:
+        - name: re_replace
+          args: ["\\s", "0"]
+        - name: regexp
+          args: (\d+)
+    leechers:
+      text: 0
+    leechers:
+      selector: div.trbo div:nth-last-child(6)
+      optional: true
+      filters:
+        - name: re_replace
+          args: ["\\s", "0"]
+        - name: regexp
+          args: (\d+)
+    grabs:
+      text: 0
+    grabs:
+      selector: div.trbo div:nth-last-child(5)
+      optional: true
+      filters:
+        - name: re_replace
+          args: ["\\s", "0"]
+        - name: regexp
+          args: (\d+)
+    date:
+      remove: a, span
+      selector: div[style="float:right;"]
+      filters:
+        - name: replace
+          args: ["@", ""]
+        - name: append
+          args: " +08:00"
+        - name: dateparse
+          args: "2006-01-02 15:04:05 -07:00"
+    downloadvolumefactor:
+      case:
+        img.pro_free: 0
+        img.pro_free2up: 0
+        img.pro_50pctdown: 0.5
+        img.pro_50pctdown2up: 0.5
+        img.pro_30pctdown: 0.3
+        "*": 1
+    uploadvolumefactor:
+      case:
+        img.pro_50pctdown2up: 2
+        img.pro_free2up: 2
+        img.pro_2up: 2
+        "*": 1
+# engine n/a (likely based on NexusPHP)