diff --git a/README.md b/README.md
index b169b3b6e..248d1a63c 100644
--- a/README.md
+++ b/README.md
@@ -116,6 +116,7 @@ Developer note: The software implements the [Torznab](https://github.com/Sonarr/
  * Gay-Torrents.net
  * Gay-Torrents.org
  * HamsterStudio
+ * HD Dolby
  * Kinozal
  * LostFilm.tv
  * Marine Tracker
diff --git a/src/Jackett.Common/Definitions/hddolby.yml b/src/Jackett.Common/Definitions/hddolby.yml
new file mode 100644
index 000000000..11af5dac6
--- /dev/null
+++ b/src/Jackett.Common/Definitions/hddolby.yml
@@ -0,0 +1,121 @@
+---
+  site: hddolby
+  name: HDDolby
+  description: "HD Dolby is a CHINESE Semi-Private Torrent Tracker for HD MOVIES / TV / GENERAL"
+  language: zh-cn
+  type: semi-private
+  encoding: UTF-8
+  links:
+    - https://www.hddolby.com/
+
+  caps:
+    categorymappings:
+      - {id: 401, cat: Movies, desc: "Movies电影"}
+      - {id: 402, cat: TV, desc: "TV Series电视剧"}
+      - {id: 403, cat: TV, desc: "TV Shows综艺"}
+      - {id: 404, cat: TV/Documentary, desc: "Documentaries纪录片"}
+      - {id: 405, cat: TV/Anime, desc: "Animations动漫"}
+      - {id: 406, cat: Audio/Video, desc: "Music Videos"}
+      - {id: 407, cat: TV/Sport, desc: "Sports体育"}
+      - {id: 408, cat: Audio, desc: "HQ Audio音乐"}
+      - {id: 409, cat: Other, desc: "Others其他"}
+      - {id: 410, cat: Console, desc: "Games游戏"}
+      - {id: 411, cat: Books, desc: "Study学习"}
+
+    modes:
+      search: [q]
+      tv-search: [q, season, ep, imdbid]
+      movie-search: [q, imdbid]
+
+  login:
+    path: takelogin.php
+    method: post
+    inputs:
+      username: "{{ .Config.username }}"
+      password: "{{ .Config.password }}"
+    error:
+      - selector: td.embedded:has(h2:contains("登录失败"))
+        message:
+          selector: td.text
+    test:
+      path: index.php
+      selector: a[href="logout.php"]
+
+  ratio:
+    path: index.php
+    selector: span.medium:has(a[href="logout.php"])
+    filters:
+      - name: replace
+        args: ["分享率：", "Ratio: "] # for simplified chinese language setting
+      - name: regexp
+        args: "Ratio: (\\d+)"
+
+  search:
+    paths:
+      - path: torrents.php
+    inputs:
+      $raw: "{{range .Categories}}cat{{.}}=1&{{end}}"
+      search: "{{if .Query.IMDBID}}{{ .Query.IMDBID }}{{else}}{{ .Keywords }}{{end}}"
+      # 0=including dead 1=active 2=dead
+      incldead: 0
+      # show promotions: 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 URL
+      search_area: "{{ if .Query.IMDBID }}4{{else}}0{{end}}"
+      # 0=AND 1=OR 2=Exact
+      search_mode: 0
+    rows:
+      selector: table.torrents > tbody > tr:has(table.torrentname)
+    fields:
+      title:
+        selector: a[href^="details.php?id="]
+      title:
+        optional: true
+        selector: a[title][href^="details.php?id="]
+        attribute: title
+      category:
+        selector: a[href^="?cat="]
+        attribute: href
+        filters:
+          - name: querystring
+            args: cat
+      details:
+        selector: a[href^="details.php?id="]
+        attribute: href    
+      download:
+        selector: a[href^="download.php?id="]
+        attribute: href
+      date:
+        selector: td.rowfollow:nth-child(4) > span[title]
+        attribute: title
+        filters:
+          - name: append
+            args: " +08:00"
+          - name: dateparse
+            args: "2006-01-02 15:04:05 -07:00"
+      size:
+        selector: td.rowfollow:nth-child(5)
+      seeders:
+        selector: td.rowfollow:nth-child(6)
+      leechers:
+        selector: td.rowfollow:nth-child(7)
+      grabs:
+        selector: td.rowfollow:nth-child(8)
+      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"
+      description:
+        selector: td.rowfollow:nth-child(2)
+        remove: a, img
+# NexusPHP Standard v1.5 Beta 4