diff --git a/.readme/template.md b/.readme/template.md
index 23b2689624..e08e7c9c55 100644
--- a/.readme/template.md
+++ b/.readme/template.md
@@ -9,7 +9,7 @@ Internet Protocol television (IPTV) is the delivery of television content over I
 
 ## Usage
 
-To watch IPTV you just need to paste this link `https://iptv-org.github.io/iptv/index.m3u` to any player which supports M3U-playlists. You can also use the SFW version of the playlist `https://iptv-org.github.io/iptv/index.sfw.m3u`.
+To watch IPTV you just need to paste this link `https://iptv-org.github.io/iptv/index.m3u` to any player which supports M3U-playlists.
 
 ![VLC Network Panel](.readme/preview.png)
 
@@ -53,6 +53,9 @@ Or select one of the playlists from the list below.
 #include "./.readme/_countries.md"
 
 </details>
+<br>
+
+NOTE: Add `.sfw` to the end of the filename for the lists without any adult channels (For example: `https://iptv-org.github.io/iptv/countries/fr.sfw.m3u`).
 
 ## For Developers
 
diff --git a/scripts/db.js b/scripts/db.js
index 91795217e6..e4072cbd09 100644
--- a/scripts/db.js
+++ b/scripts/db.js
@@ -2,6 +2,8 @@ const categories = require('./categories')
 const parser = require('./parser')
 const utils = require('./utils')
 
+const sfwCategories = categories.filter(c => !c.nsfw).map(c => c.name)
+
 const db = {}
 
 db.load = function () {
@@ -38,7 +40,7 @@ db.channels = {
     if (this.filter) {
       switch (this.filter.field) {
         case 'countries':
-          if (!this.filter.value) {
+          if (this.filter.value === 'undefined') {
             output = this.list.filter(channel => !channel.countries.length)
           } else {
             output = this.list.filter(channel =>
@@ -47,7 +49,7 @@ db.channels = {
           }
           break
         case 'languages':
-          if (!this.filter.value) {
+          if (this.filter.value === 'undefined') {
             output = this.list.filter(channel => !channel.languages.length)
           } else {
             output = this.list.filter(channel =>
@@ -56,7 +58,7 @@ db.channels = {
           }
           break
         case 'category':
-          if (!this.filter.value) {
+          if (this.filter.value === 'other') {
             output = this.list.filter(channel => !channel.category)
           } else {
             output = this.list.filter(
@@ -77,8 +79,6 @@ db.channels = {
     return this.list
   },
   sfw() {
-    const sfwCategories = categories.filter(c => !c.nsfw).map(c => c.name)
-
     return this.list.filter(i => sfwCategories.includes(i.category))
   },
   forCountry(country) {
diff --git a/scripts/generate.js b/scripts/generate.js
index 369483ecd5..9d18e342ef 100644
--- a/scripts/generate.js
+++ b/scripts/generate.js
@@ -9,14 +9,13 @@ function main() {
   createRootDirectory()
   createNoJekyllFile()
   generateIndex()
-  generateSFWIndex()
-  generateChannelsJson()
+  generateCategoryIndex()
   generateCountryIndex()
   generateLanguageIndex()
-  generateCategoryIndex()
   generateCategories()
   generateLanguages()
   generateCountries()
+  generateChannelsJson()
   finish()
 }
 
@@ -35,20 +34,163 @@ function generateIndex() {
   const filename = `${ROOT_DIR}/index.m3u`
   utils.createFile(filename, '#EXTM3U\n')
 
+  const sfwFilename = `${ROOT_DIR}/index.sfw.m3u`
+  utils.createFile(sfwFilename, '#EXTM3U\n')
+
   const channels = db.channels.sortBy(['name', 'url']).all()
   for (const channel of channels) {
     utils.appendToFile(filename, channel.toString())
+    if (channel.isSFW()) {
+      utils.appendToFile(sfwFilename, channel.toString())
+    }
   }
 }
 
-function generateSFWIndex() {
-  console.log('Generating index.sfw.m3u...')
-  const filename = `${ROOT_DIR}/index.sfw.m3u`
+function generateCategoryIndex() {
+  console.log('Generating index.category.m3u...')
+  const filename = `${ROOT_DIR}/index.category.m3u`
   utils.createFile(filename, '#EXTM3U\n')
 
-  const channels = db.channels.sortBy(['name', 'url']).sfw()
+  const sfwFilename = `${ROOT_DIR}/index.category.sfw.m3u`
+  utils.createFile(sfwFilename, '#EXTM3U\n')
+
+  const channels = db.channels.sortBy(['category', 'name', 'url']).all()
   for (const channel of channels) {
     utils.appendToFile(filename, channel.toString())
+    if (channel.isSFW()) {
+      utils.appendToFile(sfwFilename, channel.toString())
+    }
+  }
+}
+
+function generateCountryIndex() {
+  console.log('Generating index.country.m3u...')
+  const filename = `${ROOT_DIR}/index.country.m3u`
+  utils.createFile(filename, '#EXTM3U\n')
+
+  const sfwFilename = `${ROOT_DIR}/index.country.sfw.m3u`
+  utils.createFile(sfwFilename, '#EXTM3U\n')
+
+  const unsorted = db.playlists.only(['unsorted'])[0]
+  for (const channel of unsorted.channels) {
+    const category = channel.category
+    const sfw = channel.isSFW()
+    channel.category = ''
+    utils.appendToFile(filename, channel.toString())
+    if (sfw) {
+      utils.appendToFile(sfwFilename, channel.toString())
+    }
+    channel.category = category
+  }
+
+  const playlists = db.playlists.sortBy(['country']).except(['unsorted'])
+  for (const playlist of playlists) {
+    for (const channel of playlist.channels) {
+      const category = channel.category
+      const sfw = channel.isSFW()
+      channel.category = playlist.country
+      utils.appendToFile(filename, channel.toString())
+      if (sfw) {
+        utils.appendToFile(sfwFilename, channel.toString())
+      }
+      channel.category = category
+    }
+  }
+}
+
+function generateLanguageIndex() {
+  console.log('Generating index.language.m3u...')
+  const filename = `${ROOT_DIR}/index.language.m3u`
+  utils.createFile(filename, '#EXTM3U\n')
+
+  const sfwFilename = `${ROOT_DIR}/index.language.sfw.m3u`
+  utils.createFile(sfwFilename, '#EXTM3U\n')
+
+  const channels = db.channels.sortBy(['name', 'url']).forLanguage({ code: null }).get()
+  for (const channel of channels) {
+    const category = channel.category
+    const sfw = channel.isSFW()
+    channel.category = ''
+    utils.appendToFile(filename, channel.toString())
+    if (sfw) {
+      utils.appendToFile(sfwFilename, channel.toString())
+    }
+    channel.category = category
+  }
+
+  const languages = db.languages.sortBy(['name']).all()
+  for (const language of languages) {
+    const channels = db.channels.sortBy(['name', 'url']).forLanguage(language).get()
+    for (const channel of channels) {
+      const category = channel.category
+      const sfw = channel.isSFW()
+      channel.category = language.name
+      utils.appendToFile(filename, channel.toString())
+      if (sfw) {
+        utils.appendToFile(sfwFilename, channel.toString())
+      }
+      channel.category = category
+    }
+  }
+}
+
+function generateCategories() {
+  console.log(`Generating /categories...`)
+  const outputDir = `${ROOT_DIR}/categories`
+  utils.createDir(outputDir)
+
+  for (const category of [...db.categories.all(), { id: 'other' }]) {
+    const filename = `${outputDir}/${category.id}.m3u`
+    utils.createFile(filename, '#EXTM3U\n')
+
+    const channels = db.channels.sortBy(['name', 'url']).forCategory(category).get()
+    for (const channel of channels) {
+      utils.appendToFile(filename, channel.toString())
+    }
+  }
+}
+
+function generateCountries() {
+  console.log(`Generating /countries...`)
+  const outputDir = `${ROOT_DIR}/countries`
+  utils.createDir(outputDir)
+
+  for (const country of [...db.countries.all(), { code: 'undefined' }]) {
+    const filename = `${outputDir}/${country.code}.m3u`
+    utils.createFile(filename, '#EXTM3U\n')
+
+    const sfwFilename = `${outputDir}/${country.code}.sfw.m3u`
+    utils.createFile(sfwFilename, '#EXTM3U\n')
+
+    const channels = db.channels.sortBy(['name', 'url']).forCountry(country).get()
+    for (const channel of channels) {
+      utils.appendToFile(filename, channel.toString())
+      if (channel.isSFW()) {
+        utils.appendToFile(sfwFilename, channel.toString())
+      }
+    }
+  }
+}
+
+function generateLanguages() {
+  console.log(`Generating /languages...`)
+  const outputDir = `${ROOT_DIR}/languages`
+  utils.createDir(outputDir)
+
+  for (const language of [...db.languages.all(), { code: 'undefined' }]) {
+    const filename = `${outputDir}/${language.code}.m3u`
+    utils.createFile(filename, '#EXTM3U\n')
+
+    const sfwFilename = `${outputDir}/${language.code}.sfw.m3u`
+    utils.createFile(sfwFilename, '#EXTM3U\n')
+
+    const channels = db.channels.sortBy(['name', 'url']).forLanguage(language).get()
+    for (const channel of channels) {
+      utils.appendToFile(filename, channel.toString())
+      if (channel.isSFW()) {
+        utils.appendToFile(sfwFilename, channel.toString())
+      }
+    }
   }
 }
 
@@ -62,135 +204,6 @@ function generateChannelsJson() {
   utils.createFile(filename, JSON.stringify(channels))
 }
 
-function generateCountryIndex() {
-  console.log('Generating index.country.m3u...')
-  const filename = `${ROOT_DIR}/index.country.m3u`
-  utils.createFile(filename, '#EXTM3U\n')
-
-  const unsorted = db.playlists.only(['unsorted'])[0]
-  for (const channel of unsorted.channels) {
-    const category = channel.category
-    channel.category = ''
-    utils.appendToFile(filename, channel.toString())
-    channel.category = category
-  }
-
-  const playlists = db.playlists.sortBy(['country']).except(['unsorted'])
-  for (const playlist of playlists) {
-    for (const channel of playlist.channels) {
-      const category = channel.category
-      channel.category = playlist.country
-      utils.appendToFile(filename, channel.toString())
-      channel.category = category
-    }
-  }
-}
-
-function generateLanguageIndex() {
-  console.log('Generating index.language.m3u...')
-  const filename = `${ROOT_DIR}/index.language.m3u`
-  utils.createFile(filename, '#EXTM3U\n')
-
-  const channels = db.channels.sortBy(['name', 'url']).forLanguage({ code: null }).get()
-  for (const channel of channels) {
-    const category = channel.category
-    channel.category = ''
-    utils.appendToFile(filename, channel.toString())
-    channel.category = category
-  }
-
-  const languages = db.languages.sortBy(['name']).all()
-  for (const language of languages) {
-    const channels = db.channels.sortBy(['name', 'url']).forLanguage(language).get()
-    for (const channel of channels) {
-      const category = channel.category
-      channel.category = language.name
-      utils.appendToFile(filename, channel.toString())
-      channel.category = category
-    }
-  }
-}
-
-function generateCategoryIndex() {
-  console.log('Generating index.category.m3u...')
-  const filename = `${ROOT_DIR}/index.category.m3u`
-  utils.createFile(filename, '#EXTM3U\n')
-
-  const channels = db.channels.sortBy(['category', 'name', 'url']).all()
-  for (const channel of channels) {
-    utils.appendToFile(filename, channel.toString())
-  }
-}
-
-function generateCategories() {
-  console.log(`Generating /categories...`)
-  const outputDir = `${ROOT_DIR}/categories`
-  utils.createDir(outputDir)
-
-  for (const category of db.categories.all()) {
-    const filename = `${outputDir}/${category.id}.m3u`
-    utils.createFile(filename, '#EXTM3U\n')
-
-    const channels = db.channels.sortBy(['name', 'url']).forCategory(category).get()
-    for (const channel of channels) {
-      utils.appendToFile(filename, channel.toString())
-    }
-  }
-
-  const other = `${outputDir}/other.m3u`
-  const channels = db.channels.sortBy(['name', 'url']).forCategory({ id: null }).get()
-  utils.createFile(other, '#EXTM3U\n')
-  for (const channel of channels) {
-    utils.appendToFile(other, channel.toString())
-  }
-}
-
-function generateCountries() {
-  console.log(`Generating /countries...`)
-  const outputDir = `${ROOT_DIR}/countries`
-  utils.createDir(outputDir)
-
-  for (const country of db.countries.all()) {
-    const filename = `${outputDir}/${country.code}.m3u`
-    utils.createFile(filename, '#EXTM3U\n')
-
-    const channels = db.channels.sortBy(['name', 'url']).forCountry(country).get()
-    for (const channel of channels) {
-      utils.appendToFile(filename, channel.toString())
-    }
-  }
-
-  const other = `${outputDir}/undefined.m3u`
-  const channels = db.channels.sortBy(['name', 'url']).forCountry({ code: null }).get()
-  utils.createFile(other, '#EXTM3U\n')
-  for (const channel of channels) {
-    utils.appendToFile(other, channel.toString())
-  }
-}
-
-function generateLanguages() {
-  console.log(`Generating /languages...`)
-  const outputDir = `${ROOT_DIR}/languages`
-  utils.createDir(outputDir)
-
-  for (const language of db.languages.all()) {
-    const filename = `${outputDir}/${language.code}.m3u`
-    utils.createFile(filename, '#EXTM3U\n')
-
-    const channels = db.channels.sortBy(['name', 'url']).forLanguage(language).get()
-    for (const channel of channels) {
-      utils.appendToFile(filename, channel.toString())
-    }
-  }
-
-  const other = `${outputDir}/undefined.m3u`
-  const channels = db.channels.sortBy(['name', 'url']).forLanguage({ code: null }).get()
-  utils.createFile(other, '#EXTM3U\n')
-  for (const channel of channels) {
-    utils.appendToFile(other, channel.toString())
-  }
-}
-
 function finish() {
   console.log(
     `\nTotal: ${db.channels.count()} channels, ${db.countries.count()} countries, ${db.languages.count()} languages, ${db.categories.count()} categories.`
diff --git a/scripts/parser.js b/scripts/parser.js
index 10bad2ca78..e91c14df78 100644
--- a/scripts/parser.js
+++ b/scripts/parser.js
@@ -3,6 +3,8 @@ const utils = require('./utils')
 const categories = require('./categories')
 const path = require('path')
 
+const sfwCategories = categories.filter(c => !c.nsfw).map(c => c.name)
+
 const parser = {}
 
 parser.parseIndex = function () {
@@ -226,6 +228,10 @@ class Channel {
       }
     }
   }
+
+  isSFW() {
+    return sfwCategories.includes(this.category)
+  }
 }
 
 module.exports = parser