diff --git a/server/Watcher.js b/server/Watcher.js
index 83c45234c9..0a5867bd65 100644
--- a/server/Watcher.js
+++ b/server/Watcher.js
@@ -301,7 +301,12 @@ class FolderWatcher extends EventEmitter {
         libraryId,
         libraryName: libwatcher.name
       }
-      this.pendingTask = TaskManager.createAndAddTask('watcher-scan', `Scanning file changes in "${libwatcher.name}"`, null, true, taskData)
+      const taskTitleString = {
+        text: `Scanning file changes in "${libwatcher.name}"`,
+        key: 'MessageTaskScanningFileChanges',
+        subs: [libwatcher.name]
+      }
+      this.pendingTask = TaskManager.createAndAddTask('watcher-scan', taskTitleString, null, true, taskData)
     }
     this.pendingFileUpdates.push({
       path,
diff --git a/server/managers/AbMergeManager.js b/server/managers/AbMergeManager.js
index d94e948987..1fed95a18f 100644
--- a/server/managers/AbMergeManager.js
+++ b/server/managers/AbMergeManager.js
@@ -40,7 +40,11 @@ class AbMergeManager {
    * @returns {Promise<void>}
    */
   cancelEncode(task) {
-    task.setFailed('Task canceled by user')
+    const taskFailedString = {
+      text: 'Task canceled by user',
+      key: 'MessageTaskCanceledByUser'
+    }
+    task.setFailed(taskFailedString)
     return this.removeTask(task, true)
   }
 
@@ -76,8 +80,17 @@ class AbMergeManager {
       duration: libraryItem.media.duration,
       encodeOptions: options
     }
-    const taskDescription = `Encoding audiobook "${libraryItem.media.metadata.title}" into a single m4b file.`
-    task.setData('encode-m4b', 'Encoding M4b', taskDescription, false, taskData)
+
+    const taskTitleString = {
+      text: 'Encoding M4b',
+      key: 'MessageTaskEncodingM4b'
+    }
+    const taskDescriptionString = {
+      text: `Encoding audiobook "${libraryItem.media.metadata.title}" into a single m4b file.`,
+      key: 'MessageTaskEncodingM4bDescription',
+      subs: [libraryItem.media.metadata.title]
+    }
+    task.setData('encode-m4b', taskTitleString, taskDescriptionString, false, taskData)
     TaskManager.addTask(task)
     Logger.info(`Start m4b encode for ${libraryItem.id} - TaskId: ${task.id}`)
 
@@ -98,7 +111,11 @@ class AbMergeManager {
     // Make sure the target directory is writable
     if (!(await isWritable(task.data.libraryItemDir))) {
       Logger.error(`[AbMergeManager] Target directory is not writable: ${task.data.libraryItemDir}`)
-      task.setFailed('Target directory is not writable')
+      const taskFailedString = {
+        text: 'Target directory is not writable',
+        key: 'MessageTaskTargetDirectoryNotWritable'
+      }
+      task.setFailed(taskFailedString)
       this.removeTask(task, true)
       return
     }
@@ -106,7 +123,11 @@ class AbMergeManager {
     // Create ffmetadata file
     if (!(await ffmpegHelpers.writeFFMetadataFile(task.data.ffmetadataObject, task.data.chapters, task.data.ffmetadataPath))) {
       Logger.error(`[AudioMetadataManager] Failed to write ffmetadata file for audiobook "${task.data.libraryItemId}"`)
-      task.setFailed('Failed to write metadata file.')
+      const taskFailedString = {
+        text: 'Failed to write metadata file',
+        key: 'MessageTaskFailedToWriteMetadataFile'
+      }
+      task.setFailed(taskFailedString)
       this.removeTask(task, true)
       return
     }
@@ -137,7 +158,11 @@ class AbMergeManager {
         Logger.info(`[AbMergeManager] Task cancelled ${task.id}`)
       } else {
         Logger.error(`[AbMergeManager] mergeAudioFiles failed`, error)
-        task.setFailed('Failed to merge audio files')
+        const taskFailedString = {
+          text: 'Failed to merge audio files',
+          key: 'MessageTaskFailedToMergeAudioFiles'
+        }
+        task.setFailed(taskFailedString)
         this.removeTask(task, true)
       }
       return
@@ -164,7 +189,11 @@ class AbMergeManager {
         Logger.info(`[AbMergeManager] Task cancelled ${task.id}`)
       } else {
         Logger.error(`[AbMergeManager] Failed to write metadata to file "${task.data.tempFilepath}"`)
-        task.setFailed('Failed to write metadata to m4b file')
+        const taskFailedString = {
+          text: 'Failed to write metadata to m4b file',
+          key: 'MessageTaskFailedToWriteMetadataToM4bFile'
+        }
+        task.setFailed(taskFailedString)
         this.removeTask(task, true)
       }
       return
@@ -196,7 +225,11 @@ class AbMergeManager {
       await fs.remove(task.data.tempFilepath)
     } catch (err) {
       Logger.error(`[AbMergeManager] Failed to move m4b from ${task.data.tempFilepath} to ${task.data.targetFilepath}`, err)
-      task.setFailed('Failed to move m4b file')
+      const taskFailedString = {
+        text: 'Failed to move m4b file',
+        key: 'MessageTaskFailedToMoveM4bFile'
+      }
+      task.setFailed(taskFailedString)
       this.removeTask(task, true)
       return
     }
diff --git a/server/managers/AudioMetadataManager.js b/server/managers/AudioMetadataManager.js
index 2dcbb1d445..8cd8039c8a 100644
--- a/server/managers/AudioMetadataManager.js
+++ b/server/managers/AudioMetadataManager.js
@@ -97,8 +97,17 @@ class AudioMetadataMangaer {
       },
       duration: libraryItem.media.duration
     }
-    const taskDescription = `Embedding metadata in audiobook "${libraryItem.media.metadata.title}".`
-    task.setData('embed-metadata', 'Embedding Metadata', taskDescription, false, taskData)
+
+    const taskTitleString = {
+      text: 'Embedding Metadata',
+      key: 'MessageTaskEmbeddingMetadata'
+    }
+    const taskDescriptionString = {
+      text: `Embedding metadata in audiobook "${libraryItem.media.metadata.title}".`,
+      key: 'MessageTaskEmbeddingMetadataDescription',
+      subs: [libraryItem.media.metadata.title]
+    }
+    task.setData('embed-metadata', taskTitleString, taskDescriptionString, false, taskData)
 
     if (this.tasksRunning.length >= this.MAX_CONCURRENT_TASKS) {
       Logger.info(`[AudioMetadataManager] Queueing embed metadata for audiobook "${libraryItem.media.metadata.title}"`)
@@ -123,7 +132,7 @@ class AudioMetadataMangaer {
     Logger.debug(`[AudioMetadataManager] Target directory ${task.data.libraryItemDir} writable: ${targetDirWritable}`)
     if (!targetDirWritable) {
       Logger.error(`[AudioMetadataManager] Target directory is not writable: ${task.data.libraryItemDir}`)
-      task.setFailed('Target directory is not writable')
+      task.setFailedText('Target directory is not writable')
       this.handleTaskFinished(task)
       return
     }
@@ -134,7 +143,7 @@ class AudioMetadataMangaer {
         await fs.access(af.path, fs.constants.W_OK)
       } catch (err) {
         Logger.error(`[AudioMetadataManager] Audio file is not writable: ${af.path}`)
-        task.setFailed(`Audio file "${Path.basename(af.path)}" is not writable`)
+        task.setFailedText(`Audio file "${Path.basename(af.path)}" is not writable`)
         this.handleTaskFinished(task)
         return
       }
@@ -148,7 +157,7 @@ class AudioMetadataMangaer {
         cacheDirCreated = true
       } catch (err) {
         Logger.error(`[AudioMetadataManager] Failed to create cache directory ${task.data.itemCachePath}`, err)
-        task.setFailed('Failed to create cache directory')
+        task.setFailedText('Failed to create cache directory')
         this.handleTaskFinished(task)
         return
       }
@@ -159,7 +168,7 @@ class AudioMetadataMangaer {
     const success = await ffmpegHelpers.writeFFMetadataFile(task.data.metadataObject, task.data.chapters, ffmetadataPath)
     if (!success) {
       Logger.error(`[AudioMetadataManager] Failed to write ffmetadata file for audiobook "${task.data.libraryItemId}"`)
-      task.setFailed('Failed to write metadata file.')
+      task.setFailedText('Failed to write metadata file.')
       this.handleTaskFinished(task)
       return
     }
@@ -181,7 +190,7 @@ class AudioMetadataMangaer {
           Logger.debug(`[AudioMetadataManager] Backed up audio file at "${backupFilePath}"`)
         } catch (err) {
           Logger.error(`[AudioMetadataManager] Failed to backup audio file "${af.path}"`, err)
-          task.setFailed(`Failed to backup audio file "${Path.basename(af.path)}"`)
+          task.setFailedText(`Failed to backup audio file "${Path.basename(af.path)}"`)
           this.handleTaskFinished(task)
           return
         }
@@ -195,7 +204,7 @@ class AudioMetadataMangaer {
         Logger.info(`[AudioMetadataManager] Successfully tagged audio file "${af.path}"`)
       } catch (err) {
         Logger.error(`[AudioMetadataManager] Failed to tag audio file "${af.path}"`, err)
-        task.setFailed(`Failed to tag audio file "${Path.basename(af.path)}"`)
+        task.setFailedText(`Failed to tag audio file "${Path.basename(af.path)}"`)
         this.handleTaskFinished(task)
         return
       }
diff --git a/server/managers/PodcastManager.js b/server/managers/PodcastManager.js
index adec59871c..9e0bdbc2dc 100644
--- a/server/managers/PodcastManager.js
+++ b/server/managers/PodcastManager.js
@@ -71,12 +71,20 @@ class PodcastManager {
       return
     }
 
-    const taskDescription = `Downloading episode "${podcastEpisodeDownload.podcastEpisode.title}".`
     const taskData = {
       libraryId: podcastEpisodeDownload.libraryId,
       libraryItemId: podcastEpisodeDownload.libraryItemId
     }
-    const task = TaskManager.createAndAddTask('download-podcast-episode', 'Downloading Episode', taskDescription, false, taskData)
+    const taskTitleString = {
+      text: 'Downloading episode',
+      key: 'MessageDownloadingEpisode'
+    }
+    const taskDescriptionString = {
+      text: `Downloading episode "${podcastEpisodeDownload.podcastEpisode.title}".`,
+      key: 'MessageTaskDownloadingEpisodeDescription',
+      subs: [podcastEpisodeDownload.podcastEpisode.title]
+    }
+    const task = TaskManager.createAndAddTask('download-podcast-episode', taskTitleString, taskDescriptionString, false, taskData)
 
     SocketAuthority.emitter('episode_download_started', podcastEpisodeDownload.toJSONForClient())
     this.currentDownload = podcastEpisodeDownload
@@ -119,14 +127,14 @@ class PodcastManager {
       if (!success) {
         await fs.remove(this.currentDownload.targetPath)
         this.currentDownload.setFinished(false)
-        task.setFailed('Failed to download episode')
+        task.setFailedText('Failed to download episode')
       } else {
         Logger.info(`[PodcastManager] Successfully downloaded podcast episode "${this.currentDownload.podcastEpisode.title}"`)
         this.currentDownload.setFinished(true)
         task.setFinished()
       }
     } else {
-      task.setFailed('Failed to download episode')
+      task.setFailedText('Failed to download episode')
       this.currentDownload.setFinished(false)
     }
 
@@ -407,13 +415,35 @@ class PodcastManager {
    * @param {import('../managers/CronManager')} cronManager
    */
   async createPodcastsFromFeedUrls(rssFeedUrls, folder, autoDownloadEpisodes, cronManager) {
-    const task = TaskManager.createAndAddTask('opml-import', 'OPML import', `Creating podcasts from ${rssFeedUrls.length} RSS feeds`, true, null)
+    const taskTitleString = {
+      text: 'OPML import',
+      key: 'MessageTaskOpmlImport'
+    }
+    const taskDescriptionString = {
+      text: `Creating podcasts from ${rssFeedUrls.length} RSS feeds`,
+      key: 'MessageTaskOpmlImportDescription',
+      subs: [rssFeedUrls.length]
+    }
+    const task = TaskManager.createAndAddTask('opml-import', taskTitleString, taskDescriptionString, true, null)
     let numPodcastsAdded = 0
     Logger.info(`[PodcastManager] createPodcastsFromFeedUrls: Importing ${rssFeedUrls.length} RSS feeds to folder "${folder.path}"`)
     for (const feedUrl of rssFeedUrls) {
       const feed = await getPodcastFeed(feedUrl).catch(() => null)
       if (!feed?.episodes) {
-        TaskManager.createAndEmitFailedTask('opml-import-feed', 'OPML import feed', `Importing RSS feed "${feedUrl}"`, 'Failed to get podcast feed')
+        const taskTitleStringFeed = {
+          text: 'OPML import feed',
+          key: 'MessageTaskOpmlImportFeed'
+        }
+        const taskDescriptionStringFeed = {
+          text: `Importing RSS feed "${feedUrl}"`,
+          key: 'MessageTaskOpmlImportFeedDescription',
+          subs: [feedUrl]
+        }
+        const taskErrorString = {
+          text: 'Failed to get podcast feed',
+          key: 'MessageTaskOpmlImportFeedFailed'
+        }
+        TaskManager.createAndEmitFailedTask('opml-import-feed', taskTitleStringFeed, taskDescriptionStringFeed, taskErrorString)
         Logger.error(`[PodcastManager] createPodcastsFromFeedUrls: Failed to get podcast feed for "${feedUrl}"`)
         continue
       }
@@ -429,7 +459,20 @@ class PodcastManager {
         })) > 0
       if (existingLibraryItem) {
         Logger.error(`[PodcastManager] createPodcastsFromFeedUrls: Podcast already exists at path "${podcastPath}"`)
-        TaskManager.createAndEmitFailedTask('opml-import-feed', 'OPML import feed', `Creating podcast "${feed.metadata.title}"`, 'Podcast already exists at path')
+        const taskTitleStringFeed = {
+          text: 'OPML import feed',
+          key: 'MessageTaskOpmlImportFeed'
+        }
+        const taskDescriptionStringPodcast = {
+          text: `Creating podcast "${feed.metadata.title}"`,
+          key: 'MessageTaskOpmlImportFeedPodcastDescription',
+          subs: [feed.metadata.title]
+        }
+        const taskErrorString = {
+          text: 'Podcast already exists at path',
+          key: 'MessageTaskOpmlImportFeedPodcastExists'
+        }
+        TaskManager.createAndEmitFailedTask('opml-import-feed', taskTitleStringFeed, taskDescriptionStringPodcast, taskErrorString)
         continue
       }
 
@@ -442,7 +485,20 @@ class PodcastManager {
         })
       if (!successCreatingPath) {
         Logger.error(`[PodcastManager] createPodcastsFromFeedUrls: Failed to create podcast folder at "${podcastPath}"`)
-        TaskManager.createAndEmitFailedTask('opml-import-feed', 'OPML import feed', `Creating podcast "${feed.metadata.title}"`, 'Failed to create podcast folder')
+        const taskTitleStringFeed = {
+          text: 'OPML import feed',
+          key: 'MessageTaskOpmlImportFeed'
+        }
+        const taskDescriptionStringPodcast = {
+          text: `Creating podcast "${feed.metadata.title}"`,
+          key: 'MessageTaskOpmlImportFeedPodcastDescription',
+          subs: [feed.metadata.title]
+        }
+        const taskErrorString = {
+          text: 'Failed to create podcast folder',
+          key: 'MessageTaskOpmlImportFeedPodcastFailed'
+        }
+        TaskManager.createAndEmitFailedTask('opml-import-feed', taskTitleStringFeed, taskDescriptionStringPodcast, taskErrorString)
         continue
       }
 
diff --git a/server/managers/TaskManager.js b/server/managers/TaskManager.js
index 1a8b6c85b0..52c093a92b 100644
--- a/server/managers/TaskManager.js
+++ b/server/managers/TaskManager.js
@@ -1,6 +1,13 @@
 const SocketAuthority = require('../SocketAuthority')
 const Task = require('../objects/Task')
 
+/**
+ * @typedef TaskString
+ * @property {string} text
+ * @property {string} key
+ * @property {string[]} [subs]
+ */
+
 class TaskManager {
   constructor() {
     /** @type {Task[]} */
@@ -33,14 +40,14 @@ class TaskManager {
    * Create new task and add
    *
    * @param {string} action
-   * @param {string} title
-   * @param {string} description
+   * @param {TaskString} titleString
+   * @param {TaskString|null} descriptionString
    * @param {boolean} showSuccess
    * @param {Object} [data]
    */
-  createAndAddTask(action, title, description, showSuccess, data = {}) {
+  createAndAddTask(action, titleString, descriptionString, showSuccess, data = {}) {
     const task = new Task()
-    task.setData(action, title, description, showSuccess, data)
+    task.setData(action, titleString, descriptionString, showSuccess, data)
     this.addTask(task)
     return task
   }
@@ -49,14 +56,14 @@ class TaskManager {
    * Create new failed task and add
    *
    * @param {string} action
-   * @param {string} title
-   * @param {string} description
-   * @param {string} errorMessage
+   * @param {TaskString} titleString
+   * @param {TaskString|null} descriptionString
+   * @param {TaskString} errorMessageString
    */
-  createAndEmitFailedTask(action, title, description, errorMessage) {
+  createAndEmitFailedTask(action, titleString, descriptionString, errorMessageString) {
     const task = new Task()
-    task.setData(action, title, description, false)
-    task.setFailed(errorMessage)
+    task.setData(action, titleString, descriptionString, false)
+    task.setFailedText(errorMessageString)
     SocketAuthority.emitter('task_started', task.toJSON())
     return task
   }
diff --git a/server/objects/Task.js b/server/objects/Task.js
index db7e490e66..0409cad62c 100644
--- a/server/objects/Task.js
+++ b/server/objects/Task.js
@@ -1,4 +1,11 @@
-const uuidv4 = require("uuid").v4
+const uuidv4 = require('uuid').v4
+
+/**
+ * @typedef TaskString
+ * @property {string} text
+ * @property {string} key
+ * @property {string[]} [subs]
+ */
 
 class Task {
   constructor() {
@@ -11,10 +18,25 @@ class Task {
 
     /** @type {string} */
     this.title = null
+    /** @type {string} - Used for translation */
+    this.titleKey = null
+    /** @type {string[]} - Used for translation */
+    this.titleSubs = null
+
     /** @type {string} */
     this.description = null
+    /** @type {string} - Used for translation */
+    this.descriptionKey = null
+    /** @type {string[]} - Used for translation */
+    this.descriptionSubs = null
+
     /** @type {string} */
     this.error = null
+    /** @type {string} - Used for translation */
+    this.errorKey = null
+    /** @type {string[]} - Used for translation */
+    this.errorSubs = null
+
     /** @type {boolean} client should keep the task visible after success */
     this.showSuccess = false
 
@@ -47,30 +69,51 @@ class Task {
 
   /**
    * Set initial task data
-   * 
-   * @param {string} action 
-   * @param {string} title 
-   * @param {string} description 
-   * @param {boolean} showSuccess 
-   * @param {Object} [data] 
+   *
+   * @param {string} action
+   * @param {TaskString} titleString
+   * @param {TaskString|null} descriptionString
+   * @param {boolean} showSuccess
+   * @param {Object} [data]
    */
-  setData(action, title, description, showSuccess, data = {}) {
+  setData(action, titleString, descriptionString, showSuccess, data = {}) {
     this.id = uuidv4()
     this.action = action
     this.data = { ...data }
-    this.title = title
-    this.description = description
+    this.title = titleString.text
+    this.titleKey = titleString.key || null
+    this.titleSubs = titleString.subs || null
+    this.description = descriptionString?.text || null
+    this.descriptionKey = descriptionString?.key || null
+    this.descriptionSubs = descriptionString?.subs || null
     this.showSuccess = showSuccess
     this.startedAt = Date.now()
   }
 
   /**
    * Set task as failed
-   * 
-   * @param {string} message error message
+   *
+   * @param {TaskString} messageString
+   */
+  setFailed(messageString) {
+    this.error = messageString.text
+    this.errorKey = messageString.key || null
+    this.errorSubs = messageString.subs || null
+    this.isFailed = true
+    this.failedAt = Date.now()
+    this.setFinished()
+  }
+
+  /**
+   * Set task as failed without translation key
+   * TODO: Remove this method after all tasks are using translation keys
+   *
+   * @param {string} message
    */
-  setFailed(message) {
+  setFailedText(message) {
     this.error = message
+    this.errorKey = null
+    this.errorSubs = null
     this.isFailed = true
     this.failedAt = Date.now()
     this.setFinished()
@@ -78,15 +121,18 @@ class Task {
 
   /**
    * Set task as finished
-   * 
+   * TODO: Update to use translation keys
+   *
    * @param {string} [newDescription] update description
    */
   setFinished(newDescription = null) {
     if (newDescription) {
       this.description = newDescription
+      this.descriptionKey = null
+      this.descriptionSubs = null
     }
     this.isFinished = true
     this.finishedAt = Date.now()
   }
 }
-module.exports = Task
\ No newline at end of file
+module.exports = Task
diff --git a/server/scanner/LibraryScanner.js b/server/scanner/LibraryScanner.js
index 5cd8b5c62d..6b9f7893e1 100644
--- a/server/scanner/LibraryScanner.js
+++ b/server/scanner/LibraryScanner.js
@@ -76,7 +76,12 @@ class LibraryScanner {
       libraryName: library.name,
       libraryMediaType: library.mediaType
     }
-    const task = TaskManager.createAndAddTask('library-scan', `Scanning "${library.name}" library`, null, true, taskData)
+    const taskTitleString = {
+      text: `Scanning "${library.name}" library`,
+      key: 'MessageTaskScanningLibrary',
+      subs: [library.name]
+    }
+    const task = TaskManager.createAndAddTask('library-scan', taskTitleString, null, true, taskData)
 
     Logger.info(`[LibraryScanner] Starting${forceRescan ? ' (forced)' : ''} library scan ${libraryScan.id} for ${libraryScan.libraryName}`)
 
@@ -104,7 +109,7 @@ class LibraryScanner {
 
       Logger.error(`[LibraryScanner] Library scan ${libraryScan.id} failed after ${libraryScan.elapsedTimestamp} | ${libraryScan.resultStats}.`, err)
 
-      task.setFailed(`Failed. ${libraryScan.scanResultsString}`)
+      task.setFailedText(`Failed. ${libraryScan.scanResultsString}`)
     }
 
     if (this.cancelLibraryScan[libraryScan.libraryId]) delete this.cancelLibraryScan[libraryScan.libraryId]
diff --git a/server/scanner/Scanner.js b/server/scanner/Scanner.js
index 06657de228..6bb62706d7 100644
--- a/server/scanner/Scanner.js
+++ b/server/scanner/Scanner.js
@@ -368,7 +368,12 @@ class Scanner {
     const taskData = {
       libraryId: library.id
     }
-    const task = TaskManager.createAndAddTask('library-match-all', `Matching books in "${library.name}"`, null, true, taskData)
+    const taskTitleString = {
+      text: `Matching books in "${library.name}"`,
+      key: 'MessageTaskMatchingBooksInLibrary',
+      subs: [library.name]
+    }
+    const task = TaskManager.createAndAddTask('library-match-all', taskTitleString, null, true, taskData)
     Logger.info(`[Scanner] matchLibraryItems: Starting library match scan ${libraryScan.id} for ${libraryScan.libraryName}`)
 
     let hasMoreChunks = true
@@ -393,7 +398,7 @@ class Scanner {
     if (offset === 0) {
       Logger.error(`[Scanner] matchLibraryItems: Library has no items ${library.id}`)
       libraryScan.setComplete('Library has no items')
-      task.setFailed(libraryScan.error)
+      task.setFailedText(libraryScan.error)
     } else {
       libraryScan.setComplete()
       task.setFinished(isCanceled ? 'Canceled' : libraryScan.scanResultsString)