diff --git a/README.md b/README.md
index 85ddb10fe..12fc4d9e3 100644
--- a/README.md
+++ b/README.md
@@ -251,6 +251,7 @@ Developer note: The software implements the [Torznab](https://github.com/Sonarr/
  * Pretome
  * PrivateHD (PHD)
  * Psytorrents
+ * PT99
  * PTFiles
  * PuntoTorrent
  * Racing4Everyone (R4E)
diff --git a/src/Jackett.Common/Definitions/pt99.yml b/src/Jackett.Common/Definitions/pt99.yml
new file mode 100644
index 000000000..7ce99053e
--- /dev/null
+++ b/src/Jackett.Common/Definitions/pt99.yml
@@ -0,0 +1,126 @@
+---
+  site: pt99
+  name: PT99
+  description: "PT99 is a CHINESE Private Torrent Tracker for 0DAY / GENERAL"
+  language: zh-CN
+  type: private
+  encoding: UTF-8
+  followredirect: true
+  links:
+    - https://pt.j99.info/
+
+  caps:
+    categorymappings:
+      - {id: 401, cat: Movies, desc: "Movies(电影)"} 
+      - {id: 404, cat: TV/Documentary, desc: "Documentaries(记录片)"} 
+      - {id: 405, cat: TV/Anime, desc: "Animations(动漫)"} 
+      - {id: 402, cat: TV, desc: "TV Series(电视剧)"} 
+      - {id: 403, cat: TV/OTHER, desc: "TV Shows(电视节目)"} 
+      - {id: 406, cat: Audio/Video, desc: "Music Videos(音乐视频)"} 
+      - {id: 407, cat: TV/Sport, desc: "Sports(体育节目)"} 
+      - {id: 408, cat: Audio/Lossless, desc: "HQ Audio(高品质音频)"}
+      - {id: 410, cat: Audio, desc: "Music(音乐)"}
+      - {id: 411, cat: PC, desc: "Software(软件)"}
+      - {id: 412, cat: Books, desc: "Document(文档)"}
+      - {id: 413, cat: PC/Games, desc: "PC_Game(PC游戏)"}
+      - {id: 414, cat: Console, desc: "Other_Game(其他游戏)"}
+      - {id: 409, cat: Other, desc: "Misc(其他)"} 
+
+
+    modes:
+      search: [q]
+      tv-search: [q, season, ep, imdbid]
+      movie-search: [q, imdbid]
+
+  settings:
+    - name: cookie
+      type: text
+      label: Cookie
+    - name: info
+      type: info
+      label: How to get the Cookie
+      default: "<ol><li>Login to this tracker in 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>Select the <b>Headers</b> tab<li>Find 'cookie:' in the <b>Request Headers</b> section<li>Copy & paste the whole cookie string to here</ol>"
+          
+  login:
+    method: cookie
+    inputs:
+      cookie: "{{ .Config.cookie }}"
+    test:
+      path: index.php
+
+  ratio:
+    path: index.php
+    selector: table#info_block
+    filters:
+      - name: replace
+        args: ["分享率:","Ratio:"] # for simplified chinese language setting
+      - name: regexp
+        args: "Ratio:\\s(.*?)\\s\\s"
+
+  search:
+    paths:
+      - path: torrents.php
+    inputs:
+      $raw: "{{range .Categories}}cat{{.}}=1&{{end}}"
+      incldead: "0"
+      spstate: "0"
+      inclbookmarked: "0"
+      search: "{{if .Query.IMDBID}}{{.Query.IMDBID}}{{else}}{{.Keywords}}{{end}}"
+      search_area: "{{if .Query.IMDBID}}4{{else}}0{{end}}"
+      search_mode: "0"
+
+    rows:
+      selector: table.torrents tr:has(a[href^="?cat="])
+      filters:
+        - name: andmatch
+
+    fields:
+      title:
+        selector: td.progresstd a
+        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^="details.php?id="]
+        attribute: href
+        filters:
+          - name: replace
+            args: ["details.php", "download.php"]
+      imdb:
+        selector: a[href^="http://www.imdb.com/title/tt"]
+        attribute: href
+      size:
+        selector: td:nth-child(5)
+      grabs:
+        selector: td:nth-child(8)
+      seeders:
+        selector: td:nth-child(6)
+      leechers:
+        selector: td:nth-child(7)
+      date:
+        selector: td:nth-child(4) span
+        attribute: title
+        filters:
+          - name: dateparse
+            args: "2006-01-02 15:04:05"
+      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"