“accents” 3

Automatically renames files with accents and special characters during upload for better SEO. / 在上傳過程中自動重新命名含有變音符號和特殊字元的檔案以提升 SEO。

WordPress plugin to remove accents & special characters from media url, for new uploads and existing media

Retroactively replace accented characters in your existing attachment file names.