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["docx","pptx","xlsx"] {"pdf":"application\/pdf","docx":"application\/vnd.openxmlformats-officedocument.wordprocessingml.document","pptx":"application\/vnd.openxmlformats-officedocument.presentationml.presentation","xlsx":"application\/vnd.openxmlformats-officedocument.spreadsheetml.sheet","aac":"audio\/aac","aif":"audio\/x-aiff","aifc":"audio\/x-aiff","aiff":"audio\/x-aiff","au":"audio\/basic","m3u":"audio\/x-mpegurl","m4a":"audio\/mp4a-latm","mid":"audio\/mid","mp3":"audio\/mpeg","ogg":"audio\/ogg","ra":"audio\/x-pn-realaudio","ram":"audio\/x-pn-realaudio","rmi":"audio\/mid","snd":"audio\/basic","wav":"audio\/x-wav","wma":"audio\/x-ms-wma","flac":"application\/x-flac","avi":"video\/avi","flv":"video\/x-flv","m4v":"video\/x-m4v","mkv":"video\/x-matroska","mov":"video\/quicktime","mp4":"video\/mp4","wmv":"video\/x-ms-wmv","ogv":"video\/ogg","webm":"video\/webm","jpg":"image\/jpeg","jpeg":"image\/jpeg","jfif":"image\/jpeg","png":"image\/png","gif":"image\/gif","webp":"image\/webp","tif":"image\/tiff","emf":"image\/x-emf","zip":"application\/zip","rar":"application\/x-rar","7z":"application\/x-7z-compressed","octet-stream":"application\/octet-stream"} 可以购买单个pdf文件，也可以购买时间不限量压缩， <a href="/plan?from=tools" target="_blank">购买</a>。 请先 <a href="/sign?backUrl=%2Fcompress%2Fpdf">登录</a>.