diff --git a/src/invidious.cr b/src/invidious.cr
index 7a324bd1..0a3bad8b 100644
--- a/src/invidious.cr
+++ b/src/invidious.cr
@@ -339,6 +339,7 @@ end
   end
 
   Invidious::Routing.get "/watch", Invidious::Routes::Watch, :handle
+  Invidious::Routing.post "/watch_ajax", Invidious::Routes::Watch, :mark_watched
   Invidious::Routing.get "/watch/:id", Invidious::Routes::Watch, :redirect
   Invidious::Routing.get "/shorts/:id", Invidious::Routes::Watch, :redirect
   Invidious::Routing.get "/w/:id", Invidious::Routes::Watch, :redirect
@@ -372,6 +373,8 @@ end
   Invidious::Routing.get "/preferences", Invidious::Routes::PreferencesRoute, :show
   Invidious::Routing.post "/preferences", Invidious::Routes::PreferencesRoute, :update
   Invidious::Routing.get "/toggle_theme", Invidious::Routes::PreferencesRoute, :toggle_theme
+  Invidious::Routing.get "/data_control", Invidious::Routes::PreferencesRoute, :data_control
+  Invidious::Routing.post "/data_control", Invidious::Routes::PreferencesRoute, :update_data_control
 
   # Feeds
   Invidious::Routing.get "/view_all_playlists", Invidious::Routes::Feeds, :view_all_playlists_redirect
@@ -399,6 +402,11 @@ Invidious::Routing.get "/s_p/:id/:name", Invidious::Routes::Images, :s_p_image
 Invidious::Routing.get "/yts/img/:name", Invidious::Routes::Images, :yts_image
 Invidious::Routing.get "/vi/:id/:name", Invidious::Routes::Images, :thumbnails
 
+Invidious::Routing.get "/modify_notifications", Invidious::Routes::Notifications, :modify
+
+Invidious::Routing.post "/subscription_ajax", Invidious::Routes::Subscriptions, :toggle_subscription
+Invidious::Routing.get "/subscription_manager", Invidious::Routes::Subscriptions, :subscription_manager
+
 # API routes (macro)
 define_v1_api_routes()
 
@@ -406,505 +414,6 @@ define_v1_api_routes()
 define_api_manifest_routes()
 define_video_playback_routes()
 
-# Users
-
-post "/watch_ajax" do |env|
-  locale = env.get("preferences").as(Preferences).locale
-
-  user = env.get? "user"
-  sid = env.get? "sid"
-  referer = get_referer(env, "/feed/subscriptions")
-
-  redirect = env.params.query["redirect"]?
-  redirect ||= "true"
-  redirect = redirect == "true"
-
-  if !user
-    if redirect
-      next env.redirect referer
-    else
-      next error_json(403, "No such user")
-    end
-  end
-
-  user = user.as(User)
-  sid = sid.as(String)
-  token = env.params.body["csrf_token"]?
-
-  id = env.params.query["id"]?
-  if !id
-    env.response.status_code = 400
-    next
-  end
-
-  begin
-    validate_request(token, sid, env.request, HMAC_KEY, locale)
-  rescue ex
-    if redirect
-      next error_template(400, ex)
-    else
-      next error_json(400, ex)
-    end
-  end
-
-  if env.params.query["action_mark_watched"]?
-    action = "action_mark_watched"
-  elsif env.params.query["action_mark_unwatched"]?
-    action = "action_mark_unwatched"
-  else
-    next env.redirect referer
-  end
-
-  case action
-  when "action_mark_watched"
-    if !user.watched.includes? id
-      Invidious::Database::Users.mark_watched(user, id)
-    end
-  when "action_mark_unwatched"
-    Invidious::Database::Users.mark_unwatched(user, id)
-  else
-    next error_json(400, "Unsupported action #{action}")
-  end
-
-  if redirect
-    env.redirect referer
-  else
-    env.response.content_type = "application/json"
-    "{}"
-  end
-end
-
-# /modify_notifications
-# will "ding" all subscriptions.
-# /modify_notifications?receive_all_updates=false&receive_no_updates=false
-# will "unding" all subscriptions.
-get "/modify_notifications" do |env|
-  locale = env.get("preferences").as(Preferences).locale
-
-  user = env.get? "user"
-  sid = env.get? "sid"
-  referer = get_referer(env, "/")
-
-  redirect = env.params.query["redirect"]?
-  redirect ||= "false"
-  redirect = redirect == "true"
-
-  if !user
-    if redirect
-      next env.redirect referer
-    else
-      next error_json(403, "No such user")
-    end
-  end
-
-  user = user.as(User)
-
-  if !user.password
-    channel_req = {} of String => String
-
-    channel_req["receive_all_updates"] = env.params.query["receive_all_updates"]? || "true"
-    channel_req["receive_no_updates"] = env.params.query["receive_no_updates"]? || ""
-    channel_req["receive_post_updates"] = env.params.query["receive_post_updates"]? || "true"
-
-    channel_req.reject! { |k, v| v != "true" && v != "false" }
-
-    headers = HTTP::Headers.new
-    headers["Cookie"] = env.request.headers["Cookie"]
-
-    html = YT_POOL.client &.get("/subscription_manager?disable_polymer=1", headers)
-
-    cookies = HTTP::Cookies.from_client_headers(headers)
-    html.cookies.each do |cookie|
-      if {"VISITOR_INFO1_LIVE", "YSC", "SIDCC"}.includes? cookie.name
-        if cookies[cookie.name]?
-          cookies[cookie.name] = cookie
-        else
-          cookies << cookie
-        end
-      end
-    end
-    headers = cookies.add_request_headers(headers)
-
-    if match = html.body.match(/'XSRF_TOKEN': "(?<session_token>[^"]+)"/)
-      session_token = match["session_token"]
-    else
-      next env.redirect referer
-    end
-
-    headers["content-type"] = "application/x-www-form-urlencoded"
-    channel_req["session_token"] = session_token
-
-    subs = XML.parse_html(html.body)
-    subs.xpath_nodes(%q(//a[@class="subscription-title yt-uix-sessionlink"]/@href)).each do |channel|
-      channel_id = channel.content.lstrip("/channel/").not_nil!
-      channel_req["channel_id"] = channel_id
-
-      YT_POOL.client &.post("/subscription_ajax?action_update_subscription_preferences=1", headers, form: channel_req)
-    end
-  end
-
-  if redirect
-    env.redirect referer
-  else
-    env.response.content_type = "application/json"
-    "{}"
-  end
-end
-
-post "/subscription_ajax" do |env|
-  locale = env.get("preferences").as(Preferences).locale
-
-  user = env.get? "user"
-  sid = env.get? "sid"
-  referer = get_referer(env, "/")
-
-  redirect = env.params.query["redirect"]?
-  redirect ||= "true"
-  redirect = redirect == "true"
-
-  if !user
-    if redirect
-      next env.redirect referer
-    else
-      next error_json(403, "No such user")
-    end
-  end
-
-  user = user.as(User)
-  sid = sid.as(String)
-  token = env.params.body["csrf_token"]?
-
-  begin
-    validate_request(token, sid, env.request, HMAC_KEY, locale)
-  rescue ex
-    if redirect
-      next error_template(400, ex)
-    else
-      next error_json(400, ex)
-    end
-  end
-
-  if env.params.query["action_create_subscription_to_channel"]?.try &.to_i?.try &.== 1
-    action = "action_create_subscription_to_channel"
-  elsif env.params.query["action_remove_subscriptions"]?.try &.to_i?.try &.== 1
-    action = "action_remove_subscriptions"
-  else
-    next env.redirect referer
-  end
-
-  channel_id = env.params.query["c"]?
-  channel_id ||= ""
-
-  if !user.password
-    # Sync subscriptions with YouTube
-    subscribe_ajax(channel_id, action, env.request.headers)
-  end
-
-  case action
-  when "action_create_subscription_to_channel"
-    if !user.subscriptions.includes? channel_id
-      get_channel(channel_id, false, false)
-      Invidious::Database::Users.subscribe_channel(user, channel_id)
-    end
-  when "action_remove_subscriptions"
-    Invidious::Database::Users.unsubscribe_channel(user, channel_id)
-  else
-    next error_json(400, "Unsupported action #{action}")
-  end
-
-  if redirect
-    env.redirect referer
-  else
-    env.response.content_type = "application/json"
-    "{}"
-  end
-end
-
-get "/subscription_manager" do |env|
-  locale = env.get("preferences").as(Preferences).locale
-
-  user = env.get? "user"
-  sid = env.get? "sid"
-  referer = get_referer(env)
-
-  if !user
-    next env.redirect referer
-  end
-
-  user = user.as(User)
-  sid = sid.as(String)
-
-  if !user.password
-    # Refresh account
-    headers = HTTP::Headers.new
-    headers["Cookie"] = env.request.headers["Cookie"]
-
-    user, sid = get_user(sid, headers)
-  end
-
-  action_takeout = env.params.query["action_takeout"]?.try &.to_i?
-  action_takeout ||= 0
-  action_takeout = action_takeout == 1
-
-  format = env.params.query["format"]?
-  format ||= "rss"
-
-  subscriptions = Invidious::Database::Channels.select(user.subscriptions)
-  subscriptions.sort_by!(&.author.downcase)
-
-  if action_takeout
-    if format == "json"
-      env.response.content_type = "application/json"
-      env.response.headers["content-disposition"] = "attachment"
-      playlists = Invidious::Database::Playlists.select_like_iv(user.email)
-
-      next JSON.build do |json|
-        json.object do
-          json.field "subscriptions", user.subscriptions
-          json.field "watch_history", user.watched
-          json.field "preferences", user.preferences
-          json.field "playlists" do
-            json.array do
-              playlists.each do |playlist|
-                json.object do
-                  json.field "title", playlist.title
-                  json.field "description", html_to_content(playlist.description_html)
-                  json.field "privacy", playlist.privacy.to_s
-                  json.field "videos" do
-                    json.array do
-                      Invidious::Database::PlaylistVideos.select_ids(playlist.id, playlist.index, limit: 500).each do |video_id|
-                        json.string video_id
-                      end
-                    end
-                  end
-                end
-              end
-            end
-          end
-        end
-      end
-    else
-      env.response.content_type = "application/xml"
-      env.response.headers["content-disposition"] = "attachment"
-      export = XML.build do |xml|
-        xml.element("opml", version: "1.1") do
-          xml.element("body") do
-            if format == "newpipe"
-              title = "YouTube Subscriptions"
-            else
-              title = "Invidious Subscriptions"
-            end
-
-            xml.element("outline", text: title, title: title) do
-              subscriptions.each do |channel|
-                if format == "newpipe"
-                  xml_url = "https://www.youtube.com/feeds/videos.xml?channel_id=#{channel.id}"
-                else
-                  xml_url = "#{HOST_URL}/feed/channel/#{channel.id}"
-                end
-
-                xml.element("outline", text: channel.author, title: channel.author,
-                  "type": "rss", xmlUrl: xml_url)
-              end
-            end
-          end
-        end
-      end
-
-      next export.gsub(%(<?xml version="1.0"?>\n), "")
-    end
-  end
-
-  templated "subscription_manager"
-end
-
-get "/data_control" do |env|
-  locale = env.get("preferences").as(Preferences).locale
-
-  user = env.get? "user"
-  referer = get_referer(env)
-
-  if !user
-    next env.redirect referer
-  end
-
-  user = user.as(User)
-
-  templated "data_control"
-end
-
-post "/data_control" do |env|
-  locale = env.get("preferences").as(Preferences).locale
-
-  user = env.get? "user"
-  referer = get_referer(env)
-
-  if user
-    user = user.as(User)
-
-    # TODO: Find a way to prevent browser timeout
-
-    HTTP::FormData.parse(env.request) do |part|
-      body = part.body.gets_to_end
-      type = part.headers["Content-Type"]
-
-      next if body.empty?
-
-      # TODO: Unify into single import based on content-type
-      case part.name
-      when "import_invidious"
-        body = JSON.parse(body)
-
-        if body["subscriptions"]?
-          user.subscriptions += body["subscriptions"].as_a.map(&.as_s)
-          user.subscriptions.uniq!
-
-          user.subscriptions = get_batch_channels(user.subscriptions, false, false)
-
-          Invidious::Database::Users.update_subscriptions(user)
-        end
-
-        if body["watch_history"]?
-          user.watched += body["watch_history"].as_a.map(&.as_s)
-          user.watched.uniq!
-          Invidious::Database::Users.update_watch_history(user)
-        end
-
-        if body["preferences"]?
-          user.preferences = Preferences.from_json(body["preferences"].to_json)
-          Invidious::Database::Users.update_preferences(user)
-        end
-
-        if playlists = body["playlists"]?.try &.as_a?
-          playlists.each do |item|
-            title = item["title"]?.try &.as_s?.try &.delete("<>")
-            description = item["description"]?.try &.as_s?.try &.delete("\r")
-            privacy = item["privacy"]?.try &.as_s?.try { |privacy| PlaylistPrivacy.parse? privacy }
-
-            next if !title
-            next if !description
-            next if !privacy
-
-            playlist = create_playlist(title, privacy, user)
-            Invidious::Database::Playlists.update_description(playlist.id, description)
-
-            videos = item["videos"]?.try &.as_a?.try &.each_with_index do |video_id, idx|
-              raise InfoException.new("Playlist cannot have more than 500 videos") if idx > 500
-
-              video_id = video_id.try &.as_s?
-              next if !video_id
-
-              begin
-                video = get_video(video_id)
-              rescue ex
-                next
-              end
-
-              playlist_video = PlaylistVideo.new({
-                title:          video.title,
-                id:             video.id,
-                author:         video.author,
-                ucid:           video.ucid,
-                length_seconds: video.length_seconds,
-                published:      video.published,
-                plid:           playlist.id,
-                live_now:       video.live_now,
-                index:          Random::Secure.rand(0_i64..Int64::MAX),
-              })
-
-              Invidious::Database::PlaylistVideos.insert(playlist_video)
-              Invidious::Database::Playlists.update_video_added(playlist.id, playlist_video.index)
-            end
-          end
-        end
-      when "import_youtube"
-        filename = part.filename || ""
-        extension = filename.split(".").last
-
-        if extension == "xml" || type == "application/xml" || type == "text/xml"
-          subscriptions = XML.parse(body)
-          user.subscriptions += subscriptions.xpath_nodes(%q(//outline[@type="rss"])).map do |channel|
-            channel["xmlUrl"].match(/UC[a-zA-Z0-9_-]{22}/).not_nil![0]
-          end
-        elsif extension == "json" || type == "application/json"
-          subscriptions = JSON.parse(body)
-          user.subscriptions += subscriptions.as_a.compact_map do |entry|
-            entry["snippet"]["resourceId"]["channelId"].as_s
-          end
-        elsif extension == "csv" || type == "text/csv"
-          subscriptions = parse_subscription_export_csv(body)
-          user.subscriptions += subscriptions
-        else
-          halt(env, status_code: 415,
-            response: error_template(415, "Invalid subscription file uploaded")
-          )
-        end
-
-        user.subscriptions.uniq!
-        user.subscriptions = get_batch_channels(user.subscriptions, false, false)
-
-        Invidious::Database::Users.update_subscriptions(user)
-      when "import_freetube"
-        user.subscriptions += body.scan(/"channelId":"(?<channel_id>[a-zA-Z0-9_-]{24})"/).map do |md|
-          md["channel_id"]
-        end
-        user.subscriptions.uniq!
-
-        user.subscriptions = get_batch_channels(user.subscriptions, false, false)
-
-        Invidious::Database::Users.update_subscriptions(user)
-      when "import_newpipe_subscriptions"
-        body = JSON.parse(body)
-        user.subscriptions += body["subscriptions"].as_a.compact_map do |channel|
-          if match = channel["url"].as_s.match(/\/channel\/(?<channel>UC[a-zA-Z0-9_-]{22})/)
-            next match["channel"]
-          elsif match = channel["url"].as_s.match(/\/user\/(?<user>.+)/)
-            response = YT_POOL.client &.get("/user/#{match["user"]}?disable_polymer=1&hl=en&gl=US")
-            html = XML.parse_html(response.body)
-            ucid = html.xpath_node(%q(//link[@rel="canonical"])).try &.["href"].split("/")[-1]
-            next ucid if ucid
-          end
-
-          nil
-        end
-        user.subscriptions.uniq!
-
-        user.subscriptions = get_batch_channels(user.subscriptions, false, false)
-
-        Invidious::Database::Users.update_subscriptions(user)
-      when "import_newpipe"
-        Compress::Zip::Reader.open(IO::Memory.new(body)) do |file|
-          file.each_entry do |entry|
-            if entry.filename == "newpipe.db"
-              tempfile = File.tempfile(".db")
-              File.write(tempfile.path, entry.io.gets_to_end)
-              db = DB.open("sqlite3://" + tempfile.path)
-
-              user.watched += db.query_all("SELECT url FROM streams", as: String).map(&.lchop("https://www.youtube.com/watch?v="))
-              user.watched.uniq!
-
-              Invidious::Database::Users.update_watch_history(user)
-
-              user.subscriptions += db.query_all("SELECT url FROM subscriptions", as: String).map(&.lchop("https://www.youtube.com/channel/"))
-              user.subscriptions.uniq!
-
-              user.subscriptions = get_batch_channels(user.subscriptions, false, false)
-
-              Invidious::Database::Users.update_subscriptions(user)
-
-              db.close
-              tempfile.delete
-            end
-          end
-        end
-      else nil # Ignore
-      end
-    end
-  end
-
-  env.redirect referer
-end
-
 get "/change_password" do |env|
   locale = env.get("preferences").as(Preferences).locale
 
diff --git a/src/invidious/routes/notifications.cr b/src/invidious/routes/notifications.cr
new file mode 100644
index 00000000..272a3dc7
--- /dev/null
+++ b/src/invidious/routes/notifications.cr
@@ -0,0 +1,78 @@
+module Invidious::Routes::Notifications
+  # /modify_notifications
+  # will "ding" all subscriptions.
+  # /modify_notifications?receive_all_updates=false&receive_no_updates=false
+  # will "unding" all subscriptions.
+  def self.modify(env)
+    locale = env.get("preferences").as(Preferences).locale
+
+    user = env.get? "user"
+    sid = env.get? "sid"
+    referer = get_referer(env, "/")
+
+    redirect = env.params.query["redirect"]?
+    redirect ||= "false"
+    redirect = redirect == "true"
+
+    if !user
+      if redirect
+        return env.redirect referer
+      else
+        return error_json(403, "No such user")
+      end
+    end
+
+    user = user.as(User)
+
+    if !user.password
+      channel_req = {} of String => String
+
+      channel_req["receive_all_updates"] = env.params.query["receive_all_updates"]? || "true"
+      channel_req["receive_no_updates"] = env.params.query["receive_no_updates"]? || ""
+      channel_req["receive_post_updates"] = env.params.query["receive_post_updates"]? || "true"
+
+      channel_req.reject! { |k, v| v != "true" && v != "false" }
+
+      headers = HTTP::Headers.new
+      headers["Cookie"] = env.request.headers["Cookie"]
+
+      html = YT_POOL.client &.get("/subscription_manager?disable_polymer=1", headers)
+
+      cookies = HTTP::Cookies.from_client_headers(headers)
+      html.cookies.each do |cookie|
+        if {"VISITOR_INFO1_LIVE", "YSC", "SIDCC"}.includes? cookie.name
+          if cookies[cookie.name]?
+            cookies[cookie.name] = cookie
+          else
+            cookies << cookie
+          end
+        end
+      end
+      headers = cookies.add_request_headers(headers)
+
+      if match = html.body.match(/'XSRF_TOKEN': "(?<session_token>[^"]+)"/)
+        session_token = match["session_token"]
+      else
+        return env.redirect referer
+      end
+
+      headers["content-type"] = "application/x-www-form-urlencoded"
+      channel_req["session_token"] = session_token
+
+      subs = XML.parse_html(html.body)
+      subs.xpath_nodes(%q(//a[@class="subscription-title yt-uix-sessionlink"]/@href)).each do |channel|
+        channel_id = channel.content.lstrip("/channel/").not_nil!
+        channel_req["channel_id"] = channel_id
+
+        YT_POOL.client &.post("/subscription_ajax?action_update_subscription_preferences=1", headers, form: channel_req)
+      end
+    end
+
+    if redirect
+      env.redirect referer
+    else
+      env.response.content_type = "application/json"
+      "{}"
+    end
+  end
+end
diff --git a/src/invidious/routes/preferences.cr b/src/invidious/routes/preferences.cr
index a832076c..f7bc5a07 100644
--- a/src/invidious/routes/preferences.cr
+++ b/src/invidious/routes/preferences.cr
@@ -285,4 +285,191 @@ module Invidious::Routes::PreferencesRoute
       "{}"
     end
   end
+
+  def self.data_control(env)
+    locale = env.get("preferences").as(Preferences).locale
+
+    user = env.get? "user"
+    referer = get_referer(env)
+
+    if !user
+      return env.redirect referer
+    end
+
+    user = user.as(User)
+
+    templated "data_control"
+  end
+
+  def self.update_data_control(env)
+    locale = env.get("preferences").as(Preferences).locale
+
+    user = env.get? "user"
+    referer = get_referer(env)
+
+    if user
+      user = user.as(User)
+
+      # TODO: Find a way to prevent browser timeout
+
+      HTTP::FormData.parse(env.request) do |part|
+        body = part.body.gets_to_end
+        type = part.headers["Content-Type"]
+
+        return if body.empty?
+
+        # TODO: Unify into single import based on content-type
+        case part.name
+        when "import_invidious"
+          body = JSON.parse(body)
+
+          if body["subscriptions"]?
+            user.subscriptions += body["subscriptions"].as_a.map(&.as_s)
+            user.subscriptions.uniq!
+
+            user.subscriptions = get_batch_channels(user.subscriptions, false, false)
+
+            Invidious::Database::Users.update_subscriptions(user)
+          end
+
+          if body["watch_history"]?
+            user.watched += body["watch_history"].as_a.map(&.as_s)
+            user.watched.uniq!
+            Invidious::Database::Users.update_watch_history(user)
+          end
+
+          if body["preferences"]?
+            user.preferences = Preferences.from_json(body["preferences"].to_json)
+            Invidious::Database::Users.update_preferences(user)
+          end
+
+          if playlists = body["playlists"]?.try &.as_a?
+            playlists.each do |item|
+              title = item["title"]?.try &.as_s?.try &.delete("<>")
+              description = item["description"]?.try &.as_s?.try &.delete("\r")
+              privacy = item["privacy"]?.try &.as_s?.try { |privacy| PlaylistPrivacy.parse? privacy }
+
+              return if !title
+              return if !description
+              return if !privacy
+
+              playlist = create_playlist(title, privacy, user)
+              Invidious::Database::Playlists.update_description(playlist.id, description)
+
+              videos = item["videos"]?.try &.as_a?.try &.each_with_index do |video_id, idx|
+                raise InfoException.new("Playlist cannot have more than 500 videos") if idx > 500
+
+                video_id = video_id.try &.as_s?
+                return if !video_id
+
+                begin
+                  video = get_video(video_id)
+                rescue ex
+                  return
+                end
+
+                playlist_video = PlaylistVideo.new({
+                  title:          video.title,
+                  id:             video.id,
+                  author:         video.author,
+                  ucid:           video.ucid,
+                  length_seconds: video.length_seconds,
+                  published:      video.published,
+                  plid:           playlist.id,
+                  live_now:       video.live_now,
+                  index:          Random::Secure.rand(0_i64..Int64::MAX),
+                })
+
+                Invidious::Database::PlaylistVideos.insert(playlist_video)
+                Invidious::Database::Playlists.update_video_added(playlist.id, playlist_video.index)
+              end
+            end
+          end
+        when "import_youtube"
+          filename = part.filename || ""
+          extension = filename.split(".").last
+
+          if extension == "xml" || type == "application/xml" || type == "text/xml"
+            subscriptions = XML.parse(body)
+            user.subscriptions += subscriptions.xpath_nodes(%q(//outline[@type="rss"])).map do |channel|
+              channel["xmlUrl"].match(/UC[a-zA-Z0-9_-]{22}/).not_nil![0]
+            end
+          elsif extension == "json" || type == "application/json"
+            subscriptions = JSON.parse(body)
+            user.subscriptions += subscriptions.as_a.compact_map do |entry|
+              entry["snippet"]["resourceId"]["channelId"].as_s
+            end
+          elsif extension == "csv" || type == "text/csv"
+            subscriptions = parse_subscription_export_csv(body)
+            user.subscriptions += subscriptions
+          else
+            haltf(env, status_code: 415,
+              response: error_template(415, "Invalid subscription file uploaded")
+            )
+          end
+
+          user.subscriptions.uniq!
+          user.subscriptions = get_batch_channels(user.subscriptions, false, false)
+
+          Invidious::Database::Users.update_subscriptions(user)
+        when "import_freetube"
+          user.subscriptions += body.scan(/"channelId":"(?<channel_id>[a-zA-Z0-9_-]{24})"/).map do |md|
+            md["channel_id"]
+          end
+          user.subscriptions.uniq!
+
+          user.subscriptions = get_batch_channels(user.subscriptions, false, false)
+
+          Invidious::Database::Users.update_subscriptions(user)
+        when "import_newpipe_subscriptions"
+          body = JSON.parse(body)
+          user.subscriptions += body["subscriptions"].as_a.compact_map do |channel|
+            if match = channel["url"].as_s.match(/\/channel\/(?<channel>UC[a-zA-Z0-9_-]{22})/)
+              return match["channel"]
+            elsif match = channel["url"].as_s.match(/\/user\/(?<user>.+)/)
+              response = YT_POOL.client &.get("/user/#{match["user"]}?disable_polymer=1&hl=en&gl=US")
+              html = XML.parse_html(response.body)
+              ucid = html.xpath_node(%q(//link[@rel="canonical"])).try &.["href"].split("/")[-1]
+              return ucid if ucid
+            end
+
+            nil
+          end
+          user.subscriptions.uniq!
+
+          user.subscriptions = get_batch_channels(user.subscriptions, false, false)
+
+          Invidious::Database::Users.update_subscriptions(user)
+        when "import_newpipe"
+          Compress::Zip::Reader.open(IO::Memory.new(body)) do |file|
+            file.each_entry do |entry|
+              if entry.filename == "newpipe.db"
+                tempfile = File.tempfile(".db")
+                File.write(tempfile.path, entry.io.gets_to_end)
+                db = DB.open("sqlite3://" + tempfile.path)
+
+                user.watched += db.query_all("SELECT url FROM streams", as: String).map(&.lchop("https://www.youtube.com/watch?v="))
+                user.watched.uniq!
+
+                Invidious::Database::Users.update_watch_history(user)
+
+                user.subscriptions += db.query_all("SELECT url FROM subscriptions", as: String).map(&.lchop("https://www.youtube.com/channel/"))
+                user.subscriptions.uniq!
+
+                user.subscriptions = get_batch_channels(user.subscriptions, false, false)
+
+                Invidious::Database::Users.update_subscriptions(user)
+
+                db.close
+                tempfile.delete
+              end
+            end
+          end
+        else nil # Ignore
+        end
+      end
+    end
+
+    env.redirect referer
+  end
 end
diff --git a/src/invidious/routes/subscriptions.cr b/src/invidious/routes/subscriptions.cr
new file mode 100644
index 00000000..29152afb
--- /dev/null
+++ b/src/invidious/routes/subscriptions.cr
@@ -0,0 +1,168 @@
+module Invidious::Routes::Subscriptions
+  def self.toggle_subscription(env)
+    locale = env.get("preferences").as(Preferences).locale
+
+    user = env.get? "user"
+    sid = env.get? "sid"
+    referer = get_referer(env, "/")
+
+    redirect = env.params.query["redirect"]?
+    redirect ||= "true"
+    redirect = redirect == "true"
+
+    if !user
+      if redirect
+        return env.redirect referer
+      else
+        return error_json(403, "No such user")
+      end
+    end
+
+    user = user.as(User)
+    sid = sid.as(String)
+    token = env.params.body["csrf_token"]?
+
+    begin
+      validate_request(token, sid, env.request, HMAC_KEY, locale)
+    rescue ex
+      if redirect
+        return error_template(400, ex)
+      else
+        return error_json(400, ex)
+      end
+    end
+
+    if env.params.query["action_create_subscription_to_channel"]?.try &.to_i?.try &.== 1
+      action = "action_create_subscription_to_channel"
+    elsif env.params.query["action_remove_subscriptions"]?.try &.to_i?.try &.== 1
+      action = "action_remove_subscriptions"
+    else
+      return env.redirect referer
+    end
+
+    channel_id = env.params.query["c"]?
+    channel_id ||= ""
+
+    if !user.password
+      # Sync subscriptions with YouTube
+      subscribe_ajax(channel_id, action, env.request.headers)
+    end
+
+    case action
+    when "action_create_subscription_to_channel"
+      if !user.subscriptions.includes? channel_id
+        get_channel(channel_id, false, false)
+        Invidious::Database::Users.subscribe_channel(user, channel_id)
+      end
+    when "action_remove_subscriptions"
+      Invidious::Database::Users.unsubscribe_channel(user, channel_id)
+    else
+      return error_json(400, "Unsupported action #{action}")
+    end
+
+    if redirect
+      env.redirect referer
+    else
+      env.response.content_type = "application/json"
+      "{}"
+    end
+  end
+
+  def self.subscription_manager(env)
+    locale = env.get("preferences").as(Preferences).locale
+
+    user = env.get? "user"
+    sid = env.get? "sid"
+    referer = get_referer(env)
+
+    if !user
+      return env.redirect referer
+    end
+
+    user = user.as(User)
+    sid = sid.as(String)
+
+    if !user.password
+      # Refresh account
+      headers = HTTP::Headers.new
+      headers["Cookie"] = env.request.headers["Cookie"]
+
+      user, sid = get_user(sid, headers)
+    end
+
+    action_takeout = env.params.query["action_takeout"]?.try &.to_i?
+    action_takeout ||= 0
+    action_takeout = action_takeout == 1
+
+    format = env.params.query["format"]?
+    format ||= "rss"
+
+    subscriptions = Invidious::Database::Channels.select(user.subscriptions)
+    subscriptions.sort_by!(&.author.downcase)
+
+    if action_takeout
+      if format == "json"
+        env.response.content_type = "application/json"
+        env.response.headers["content-disposition"] = "attachment"
+        playlists = Invidious::Database::Playlists.select_like_iv(user.email)
+
+        return JSON.build do |json|
+          json.object do
+            json.field "subscriptions", user.subscriptions
+            json.field "watch_history", user.watched
+            json.field "preferences", user.preferences
+            json.field "playlists" do
+              json.array do
+                playlists.each do |playlist|
+                  json.object do
+                    json.field "title", playlist.title
+                    json.field "description", html_to_content(playlist.description_html)
+                    json.field "privacy", playlist.privacy.to_s
+                    json.field "videos" do
+                      json.array do
+                        Invidious::Database::PlaylistVideos.select_ids(playlist.id, playlist.index, limit: 500).each do |video_id|
+                          json.string video_id
+                        end
+                      end
+                    end
+                  end
+                end
+              end
+            end
+          end
+        end
+      else
+        env.response.content_type = "application/xml"
+        env.response.headers["content-disposition"] = "attachment"
+        export = XML.build do |xml|
+          xml.element("opml", version: "1.1") do
+            xml.element("body") do
+              if format == "newpipe"
+                title = "YouTube Subscriptions"
+              else
+                title = "Invidious Subscriptions"
+              end
+
+              xml.element("outline", text: title, title: title) do
+                subscriptions.each do |channel|
+                  if format == "newpipe"
+                    xml_url = "https://www.youtube.com/feeds/videos.xml?channel_id=#{channel.id}"
+                  else
+                    xml_url = "#{HOST_URL}/feed/channel/#{channel.id}"
+                  end
+
+                  xml.element("outline", text: channel.author, title: channel.author,
+                    "type": "rss", xmlUrl: xml_url)
+                end
+              end
+            end
+          end
+        end
+
+        return export.gsub(%(<?xml version="1.0"?>\n), "")
+      end
+    end
+
+    templated "subscription_manager"
+  end
+end
diff --git a/src/invidious/routes/watch.cr b/src/invidious/routes/watch.cr
index 1198f48f..7d048ce8 100644
--- a/src/invidious/routes/watch.cr
+++ b/src/invidious/routes/watch.cr
@@ -200,4 +200,70 @@ module Invidious::Routes::Watch
 
     return env.redirect url
   end
+
+  def self.mark_watched(env)
+    locale = env.get("preferences").as(Preferences).locale
+
+    user = env.get? "user"
+    sid = env.get? "sid"
+    referer = get_referer(env, "/feed/subscriptions")
+
+    redirect = env.params.query["redirect"]?
+    redirect ||= "true"
+    redirect = redirect == "true"
+
+    if !user
+      if redirect
+        return env.redirect referer
+      else
+        return error_json(403, "No such user")
+      end
+    end
+
+    user = user.as(User)
+    sid = sid.as(String)
+    token = env.params.body["csrf_token"]?
+
+    id = env.params.query["id"]?
+    if !id
+      env.response.status_code = 400
+      return
+    end
+
+    begin
+      validate_request(token, sid, env.request, HMAC_KEY, locale)
+    rescue ex
+      if redirect
+        return error_template(400, ex)
+      else
+        return error_json(400, ex)
+      end
+    end
+
+    if env.params.query["action_mark_watched"]?
+      action = "action_mark_watched"
+    elsif env.params.query["action_mark_unwatched"]?
+      action = "action_mark_unwatched"
+    else
+      return env.redirect referer
+    end
+
+    case action
+    when "action_mark_watched"
+      if !user.watched.includes? id
+        Invidious::Database::Users.mark_watched(user, id)
+      end
+    when "action_mark_unwatched"
+      Invidious::Database::Users.mark_unwatched(user, id)
+    else
+      return error_json(400, "Unsupported action #{action}")
+    end
+
+    if redirect
+      env.redirect referer
+    else
+      env.response.content_type = "application/json"
+      "{}"
+    end
+  end
 end