Mp3tag是一款用於編輯音訊檔案中中繼資料的熱門應用程式。它允許使用者修改如藝術家、專輯、標題、類型和封面等資訊。透過保持音樂資料庫的整齊，它讓尋找歌曲更容易，並提升聆聽體驗。

Mp3tag支援多種音訊格式，包括 MP3、FLAC、AAC 等。使用者可以單獨或批次編輯標籤，這在處理大型收藏時能節省時間。Mp3tag 也能讀取線上資料庫，自動填入遺漏的資訊。

Mp3tag提供自訂動作和批次處理。例如，使用者可以根據標籤資訊重新命名檔案，或將標籤詳細資料匯出為文字檔。這些選項讓使用者能控制音樂檔案的排列與顯示方式。

許多音樂愛好者欣賞Mp3tag由於其簡潔的設計。介面簡單，即使是初學者也能輕鬆上手。定期更新可確保其與新的音訊格式相容，讓使用者能長期高效地管理音樂。

主要功能：

• 批次編輯－同時編輯多個音訊檔案的標籤。
• 支援多種格式－可處理 MP3、FLAC、AAC、M4A、WMA、OGG 等等。
• ID3 標籤編輯 – 可編輯 ID3v1、ID3v2、APEv2 及其他標籤。
• 從線上資料庫匯入標籤——從 Discogs、MusicBrainz 和 Amazon 等來源擷取中繼資料。
• 匯出中繼資料 ─ 以 CSV、HTML 或 TXT 等格式建立報告或匯出標籤資訊。
• 根據標籤重新命名檔案－使用標籤資訊自動重新命名檔案。
• 播放清單支援－建立並管理如 M3U 的播放清單。
• 封面藝術管理－新增、更改或移除專輯封面圖片。
• 腳本與動作——使用動作腳本自動化重複性任務。

• added MP4 column to tag-field mappings overview table in documentation
• added Discogs Release ID tag source to directly search by Discogs Release ID
• added support for ISRC field in cue sheets
• added option to restrict action-based cover export to certain cover type
• added support for stripping Nero-style chapter information from MP4 files via context-menu in the file list
• added support for detecting Nero-style MP4 tags and reporting via %_tag% if present

• removed Amazon tag sources after Amazon.com invalidated Mp3tag's web services account
• Discogs tag source name is now correctly capitalized
• main performer from cue sheet is now mapped to ALBUMARTIST (instead of ALBUM ARTIST)

• special characters in main performer from cue sheet were not correctly converted when writing
• cue sheets that started with a different track number than 1 were not read
• checkboxes at dialog for cover export were not labeled correctly (since 2.82b)
• tags saved to wrong file when auto-save was enabled and column-click in file list changed the file order
• Discogs Web Source had problems with certain artists which resulted in obsolete comma after artist name
• sort arrow was incorrectly shown for next column after adding or removing a column left from the sort column
• added detection of non-iTunes custom tags which are now kept unmodified during rewrites
• encoding of cover art for Opus did not always include Base64 padding (which was problematic for some players)
• runtime error at Export if loop limit exceeded actual export result set size
• possible index overflow at $substr() scripting function