[{"data":1,"prerenderedAt":703},["ShallowReactive",2],{"guide-batch-processing-guide":3,"faq-batch-processing-guide":4,"related-batch-processing-guide":142},null,{"id":5,"title":6,"body":7,"category":120,"description":121,"extension":122,"keywords":123,"meta":129,"navigation":130,"path":131,"relatedTools":132,"seo":137,"stem":138,"type":139,"updatedAt":140,"__hash__":141},"faq\u002Fhelp\u002Ffaq\u002Fbatch-processing-guide.md","在线工具支持批量处理文件吗？如何批量转换和压缩",{"type":8,"value":9,"toc":113},"minimark",[10,14,18,22,25,66,69,90,93],[11,12,6],"h1",{"id":13},"在线工具支持批量处理文件吗如何批量转换和压缩",[15,16,17],"p",{},"91AI工具支持批量上传和批量处理，可以同时处理多个文件，大幅提高工作效率。",[19,20,21],"h2",{"id":21},"支持批量处理的工具",[15,23,24],{},"以下工具支持批量处理：",[26,27,28,36,42,48,54,60],"ul",{},[29,30,31,35],"li",{},[32,33,34],"strong",{},"PDF压缩","：同时压缩多个PDF文件",[29,37,38,41],{},[32,39,40],{},"PDF转Word","：批量将多个PDF转为Word",[29,43,44,47],{},[32,45,46],{},"PDF转Excel","：批量提取多个PDF中的表格",[29,49,50,53],{},[32,51,52],{},"图片压缩","：同时压缩多张图片",[29,55,56,59],{},[32,57,58],{},"图片转PDF","：将多张图片合并为一个PDF",[29,61,62,65],{},[32,63,64],{},"图片格式转换","：批量转换图片格式",[19,67,68],{"id":68},"批量操作步骤",[70,71,72,75,78,81,84,87],"ol",{},[29,73,74],{},"在文件选择对话框中按住Ctrl（Windows）或Command（Mac）键",[29,76,77],{},"点击选择多个文件",[29,79,80],{},"所有文件上传后将显示在列表中",[29,82,83],{},"可以统一设置转换参数",[29,85,86],{},"点击开始按钮，所有文件依次处理",[29,88,89],{},"完成后分别下载每个文件",[19,91,92],{"id":92},"批量处理建议",[26,94,95,101,107],{},[29,96,97,100],{},[32,98,99],{},"相似文件一起处理","：将类型相近的文件放在同一批处理",[29,102,103,106],{},[32,104,105],{},"注意总文件大小","：多个大文件同时处理可能需要更长时间",[29,108,109,112],{},[32,110,111],{},"逐个检查结果","：批量处理后建议逐一确认转换质量",{"title":114,"searchDepth":115,"depth":115,"links":116},"",2,[117,118,119],{"id":21,"depth":115,"text":21},{"id":68,"depth":115,"text":68},{"id":92,"depth":115,"text":92},"basics","91AI工具支持批量上传和批量处理文件，同时处理多个PDF、图片、音视频文件，大幅提高工作效率。","md",[124,125,126,127,128],"批量处理","批量转换","批量压缩","批量上传","多文件处理",{},true,"\u002Fhelp\u002Ffaq\u002Fbatch-processing-guide",[133,134,135,136],"pdf-compress","img-compress","jpg-to-pdf","pdf-to-word",{"title":6,"description":121},"help\u002Ffaq\u002Fbatch-processing-guide","faq","2026-05-06","4upMs5OlPqokQIMqKno0zEXeAHQBD1iJipaH8IxajHc",[143,513,611],{"id":144,"title":145,"body":146,"category":120,"description":498,"extension":122,"keywords":499,"meta":505,"navigation":130,"path":506,"relatedTools":507,"seo":510,"stem":511,"type":139,"updatedAt":140,"__hash__":512},"faq\u002Fhelp\u002Ffaq\u002F91aitool-introduction.md","91AI工具是什么？提供哪些在线转换功能？",{"type":8,"value":147,"toc":486},[148,151,154,157,162,169,263,267,273,317,321,324,350,353,369,373,403,406,409,441,447,450,476],[11,149,145],{"id":150},"_91ai工具是什么提供哪些在线转换功能",[15,152,153],{},"91AI工具是一个在线文件处理平台，提供纯前端音视频\u002F图片处理、PDF转换与编辑、CAD格式转换、Office文档压缩等40多种功能。所有工具均可在浏览器中直接使用，无需下载安装。",[19,155,156],{"id":156},"核心功能介绍",[158,159,161],"h3",{"id":160},"纯前端工具完全免费-不上传服务器","纯前端工具（完全免费 · 不上传服务器）",[15,163,164,165,168],{},"音视频和图片处理工具在浏览器本地完成，",[32,166,167],{},"不上传服务器，不限文件大小，无使用次数限制","：",[170,171,172,188],"table",{},[173,174,175],"thead",{},[176,177,178,182,185],"tr",{},[179,180,181],"th",{},"功能类别",[179,183,184],{},"具体工具",[179,186,187],{},"特点",[189,190,191,212,234,247],"tbody",{},[176,192,193,197,209],{},[194,195,196],"td",{},"视频处理",[194,198,199,204,205],{},[200,201,203],"a",{"href":202},"\u002Ftools\u002Fvideo-compress-wasm","视频压缩（纯前端）","、",[200,206,208],{"href":207},"\u002Ftools\u002Fvideo-convert-wasm","视频格式转换（纯前端）",[194,210,211],{},"浏览器本地处理，保护隐私",[176,213,214,217,231],{},[194,215,216],{},"音频处理",[194,218,219,204,223,204,227],{},[200,220,222],{"href":221},"\u002Ftools\u002Faudio-compress-wasm","音频压缩（纯前端）",[200,224,226],{"href":225},"\u002Ftools\u002Faudio-convert-wasm","音频格式转换（纯前端）",[200,228,230],{"href":229},"\u002Ftools\u002Faudio-extract-wasm","视频提取音频（纯前端）",[194,232,233],{},"不上传服务器，不限大小",[176,235,236,239,244],{},[194,237,238],{},"屏幕录制",[194,240,241],{},[200,242,238],{"href":243},"\u002Ftools\u002Fscreen-recorder",[194,245,246],{},"纯前端录制，数据不上传",[176,248,249,252,260],{},[194,250,251],{},"图片处理",[194,253,254,204,257],{},[200,255,52],{"href":256},"\u002Ftools\u002Fimg-compress",[200,258,64],{"href":259},"\u002Ftools\u002Fimg-convert",[194,261,262],{},"纯前端处理，即时预览",[158,264,266],{"id":265},"pdf处理工具免费体验","PDF处理工具（免费体验）",[15,268,269,270,168],{},"PDF相关功能为在线服务端处理，",[32,271,272],{},"新用户可免费体验3次，登录后可继续使用",[170,274,275,283],{},[173,276,277],{},[176,278,279,281],{},[179,280,181],{},[179,282,184],{},[189,284,285,293,301,309],{},[176,286,287,290],{},[194,288,289],{},"格式转换",[194,291,292],{},"PDF转Word、PDF转Excel、PDF转PPT、PDF转JPG",[176,294,295,298],{},[194,296,297],{},"创建PDF",[194,299,300],{},"Word转PDF、Excel转PDF、PPT转PDF、JPG转PDF",[176,302,303,306],{},[194,304,305],{},"编辑处理",[194,307,308],{},"PDF压缩、PDF加密、PDF解密、PDF拆分、PDF合并",[176,310,311,314],{},[194,312,313],{},"高级功能",[194,315,316],{},"PDF水印、PDF旋转、PDF删除页面、PDF加页码",[158,318,320],{"id":319},"音视频工具服务端","音视频工具（服务端）",[15,322,323],{},"以下工具为服务端处理，支持300MB以内文件：",[26,325,326,332,338,344],{},[29,327,328,331],{},[200,329,330],{"href":202},"视频压缩"," - 在线压缩MP4、AVI等视频文件",[29,333,334,337],{},[200,335,336],{"href":229},"视频转音频"," - 从视频中提取音频",[29,339,340,343],{},[200,341,342],{"href":225},"音频格式转换"," - MP3、WAV、FLAC等互转",[29,345,346,349],{},[200,347,348],{"href":207},"视频格式转换"," - 视频格式互转",[158,351,352],{"id":352},"图片处理工具",[26,354,355,362],{},[29,356,357,361],{},[200,358,360],{"href":359},"\u002Ftools\u002Fimg-to-text","图片转文字"," - OCR识别图片中的文字",[29,363,364,368],{},[200,365,367],{"href":366},"\u002Ftools\u002Fimg-to-excel","图片转Excel"," - 将表格图片转为可编辑Excel",[158,370,372],{"id":371},"cad及office工具","CAD及Office工具",[26,374,375,382,389,396],{},[29,376,377,381],{},[200,378,380],{"href":379},"\u002Ftools\u002Fcad-version-convert","CAD版本转换"," - DWG\u002FDXF版本互转",[29,383,384,388],{},[200,385,387],{"href":386},"\u002Ftools\u002Fcad-to-pdf","CAD转PDF"," - CAD图纸转PDF",[29,390,391,395],{},[200,392,394],{"href":393},"\u002Ftools\u002Fdwg-to-dxf","DWG转DXF"," - AutoCAD格式转换",[29,397,398,402],{},[200,399,401],{"href":400},"\u002Ftools\u002Fword_compress","Word\u002FExcel\u002FPPT压缩"," - 给Office文档瘦身",[19,404,405],{"id":405},"平台优势",[15,407,408],{},"根据市场调研机构G2 2025年报告，在线工具用户最关注的三个因素是：隐私安全（87%）、免费使用（76%）和无需安装（71%）。91AI工具在这三方面均表现出色：",[26,410,411,417,423,429,435],{},[29,412,413,416],{},[32,414,415],{},"纯前端隐私保护","：音视频\u002F图片工具在浏览器本地处理，不上传服务器，文件安全零泄露",[29,418,419,422],{},[32,420,421],{},"零成本无限用","：纯前端工具无任何使用限制，不限文件大小，完全免费",[29,424,425,428],{},[32,426,427],{},"PDF专业转换","：免费体验3次，登录后可继续使用，满足日常办公需求",[29,430,431,434],{},[32,432,433],{},"在线即点即用","：打开浏览器即可使用，支持Windows、Mac、Linux，无需下载安装",[29,436,437,440],{},[32,438,439],{},"无需注册","：上传文件直接处理，注册登录可获取更多使用次数",[15,442,443,446],{},[32,444,445],{},"来源","：G2 Best Software 2025年度报告、Statista在线工具用户行为调查",[19,448,449],{"id":449},"适用人群",[26,451,452,458,464,470],{},[29,453,454,457],{},[32,455,456],{},"职场办公族","：需要频繁处理PDF、Office文档",[29,459,460,463],{},[32,461,462],{},"设计师","：需要压缩和转换图片格式",[29,465,466,469],{},[32,467,468],{},"学生群体","：整理课件、转换文档格式",[29,471,472,475],{},[32,473,474],{},"普通用户","：需要处理音视频或文件格式转换",[477,478,479],"blockquote",{},[15,480,481,482,485],{},"试试我们的",[200,483,484],{"href":202},"纯前端视频压缩工具"," — 不上传服务器，不限文件大小，完全免费",{"title":114,"searchDepth":115,"depth":115,"links":487},[488,496,497],{"id":156,"depth":115,"text":156,"children":489},[490,492,493,494,495],{"id":160,"depth":491,"text":161},3,{"id":265,"depth":491,"text":266},{"id":319,"depth":491,"text":320},{"id":352,"depth":491,"text":352},{"id":371,"depth":491,"text":372},{"id":405,"depth":115,"text":405},{"id":449,"depth":115,"text":449},"91AI工具提供纯前端音视频\u002F图片处理（免费无限用）和PDF\u002F文档在线转换（免费体验）等50+种工具，无需安装即点即用。",[500,501,502,503,504],"91AI工具","在线转换","PDF处理","纯前端工具","免费在线工具",{},"\u002Fhelp\u002Ffaq\u002F91aitool-introduction",[508,509,136,134],"video-compress-wasm","audio-convert-wasm",{"title":145,"description":498},"help\u002Ffaq\u002F91aitool-introduction","Ejo_6iR-RYSWiud-3HogyuDuG_H6fphAZFGGlyelNRc",{"id":514,"title":515,"body":516,"category":120,"description":596,"extension":122,"keywords":597,"meta":603,"navigation":130,"path":604,"relatedTools":605,"seo":607,"stem":608,"type":139,"updatedAt":609,"__hash__":610},"faq\u002Fhelp\u002Ffaq\u002Faudio-compress-guide.md","如何在线压缩音频文件大小？",{"type":8,"value":517,"toc":590},[518,521,524,527,530,533,536,539,545,551,557,563,566,569,572],[11,519,515],{"id":520},"如何在线压缩音频文件大小",[15,522,523],{},"打开91AI工具网的音频压缩工具，上传音频文件，选择压缩强度（低\u002F中\u002F高）和输出格式（MP3或WAV），点击压缩即可。系统会自动处理，输出体积更小的音频文件。",[19,525,526],{"id":526},"详细解答",[15,528,529],{},"音频压缩的核心是降低比特率和采用更高效的编码格式。通过降低音频比特率（如从320kbps降到128kbps）、转换声道（立体声转为单声道）和降低采样率（从48000Hz降到22050Hz）来减小文件体积。",[15,531,532],{},"工具提供三级压缩强度：低压缩（约80%原始大小，高音质），中压缩（约50%原始大小，适中音质），高压缩（约25%原始大小，适合语音）。对于音乐文件，中压缩模式可以在音质和大小之间取得良好平衡。",[15,534,535],{},"压缩过程中采用智能编码策略，优先保留人声频段的信息，对不敏感的高频部分适当减少比特分配，使听觉体验的损失最小化。",[19,537,538],{"id":538},"使用场景",[15,540,541,544],{},[32,542,543],{},"邮件发送","：邮箱附件通常限制25MB，大音频文件压缩后可正常发送。录音笔导出的WAV文件经常超过限制，压缩为MP3后可轻松发送。",[15,546,547,550],{},[32,548,549],{},"聊天分享","：微信等即时通讯工具对文件大小有限制，压缩音频文件后可直接分享。长篇语音消息导出后压缩，方便转发。",[15,552,553,556],{},[32,554,555],{},"存储节省","：播客爱好者大量音频存档时，压缩可节省数GB存储空间。将手机录音压缩备份到云盘，减少存储费用。",[15,558,559,562],{},[32,560,561],{},"网站上传","：网页上传音频素材有大小限制时，先压缩再上传可以顺利通过。个人网站音乐文件的压缩可提高页面加载速度。",[19,564,565],{"id":565},"注意事项",[15,567,568],{},"音频压缩是有损过程，过高压缩会导致明显音质劣化（金属声、声音模糊等）。语音内容可以接受更高压缩比，音乐内容建议使用低或中压缩。建议压缩前备份原始高质量文件，以便未来需要时恢复使用。",[19,570,571],{"id":571},"相关推荐",[26,573,574,580,585],{},[29,575,576,579],{},[200,577,578],{"href":221},"音频压缩工具"," - 在线压缩音频文件",[29,581,582,584],{},[200,583,342],{"href":225}," - 转换音频格式",[29,586,587,589],{},[200,588,330],{"href":202}," - 压缩视频文件大小",{"title":114,"searchDepth":115,"depth":115,"links":591},[592,593,594,595],{"id":526,"depth":115,"text":526},{"id":538,"depth":115,"text":538},{"id":565,"depth":115,"text":565},{"id":571,"depth":115,"text":571},"免费在线压缩音频文件大小，支持MP3和WAV格式输出。提供多档压缩强度选择，在保持可接受音质的同时显著减小文件体积。",[598,599,600,601,602],"音频压缩","压缩MP3","减小音频大小","音频文件压缩","在线压缩音频",{},"\u002Fhelp\u002Ffaq\u002Faudio-compress-guide",[606,509,508],"audio-compress-wasm",{"title":515,"description":596},"help\u002Ffaq\u002Faudio-compress-guide","2026-05-05","vfdSq2X4V__y-fLm_dM8ab1fuzGD8ORFoIQYdjxhsNQ",{"id":612,"title":613,"body":614,"category":120,"description":690,"extension":122,"keywords":691,"meta":696,"navigation":130,"path":697,"relatedTools":698,"seo":700,"stem":701,"type":139,"updatedAt":609,"__hash__":702},"faq\u002Fhelp\u002Ffaq\u002Faudio-to-audio-guide.md","如何在线转换音频文件格式？",{"type":8,"value":615,"toc":684},[616,619,622,624,627,630,633,635,641,647,653,659,661,664,666],[11,617,613],{"id":618},"如何在线转换音频文件格式",[15,620,621],{},"打开91AI工具网的音频格式转换工具，上传音频文件，选择目标格式（MP3、WAV、AAC、FLAC、OGG、WMA等），点击转换即可。无需注册，完全免费。",[19,623,526],{"id":526},[15,625,626],{},"音频格式转换是指在不同音频编码格式之间进行转换。常见格式中，MP3是通用性最强的有损格式，兼容几乎所有设备。WAV是无损格式，音质最佳但文件较大。FLAC是无损压缩格式，兼顾音质和文件大小。AAC是高效有损格式，同等码率下音质优于MP3。OGG是开源格式，常用于游戏和网络应用。WMA是微软旧格式，现已较少使用。",[15,628,629],{},"转换时可以调整音频参数：采样率（44100Hz为标准CD音质，48000Hz为DVD\u002F视频标准），比特率（128kbps为中等音质，320kbps为高音质），声道数（单声道\u002FMono适合语音，立体声\u002FStereo适合音乐）。",[15,631,632],{},"无损格式转有损格式（如WAV转MP3）会永久丢失部分音频信息，建议保留一份原始无损文件存档。有损格式转有损格式（如MP3转AAC）会进一步降低音质，应尽量避免。",[19,634,538],{"id":538},[15,636,637,640],{},[32,638,639],{},"设备兼容","：FLAC格式在苹果设备上不支持播放时转为AAC或MP3。WAV文件在车载系统上无法识别时转为MP3。",[15,642,643,646],{},[32,644,645],{},"存储优化","：将无损音频（WAV\u002FFLAC）转为MP3或AAC可节省大量存储空间。一个500MB的WAV文件转320kbps MP3后约为50MB。",[15,648,649,652],{},[32,650,651],{},"编辑需要","：某些音频编辑软件不支持特定格式时，先转换后再导入处理。将高采样率文件转为标准44100Hz以便于多轨道混音。",[15,654,655,658],{},[32,656,657],{},"分享传输","：OGG或FLAC格式分享给他人无法播放时转为通用MP3格式。微信等平台对大文件有限制时转为低码率MP3。",[19,660,565],{"id":565},[15,662,663],{},"有损格式间的转换会累积音质损失，推荐的做法是从原始无损文件直接转出目标格式。比特率不是越高越好，128kbps对于语音内容已足够，音乐推荐256kbps以上。某些罕见的编码变体可能不支持转换。",[19,665,571],{"id":571},[26,667,668,674,679],{},[29,669,670,673],{},[200,671,672],{"href":225},"音频格式转换工具"," - 在线格式互转",[29,675,676,678],{},[200,677,336],{"href":229}," - 从视频提取音频",[29,680,681,683],{},[200,682,598],{"href":221}," - 压缩音频文件大小",{"title":114,"searchDepth":115,"depth":115,"links":685},[686,687,688,689],{"id":526,"depth":115,"text":526},{"id":538,"depth":115,"text":538},{"id":565,"depth":115,"text":565},{"id":571,"depth":115,"text":571},"免费在线转换音频格式，支持MP3\u002FWAV\u002FAAC\u002FFLAC\u002FOGG\u002FWMA等格式互转。调整音频编码参数，满足不同设备和场景的需求。",[342,692,693,694,695],"音频转换","MP3转换","音频格式互转","在线音频转换",{},"\u002Fhelp\u002Ffaq\u002Faudio-to-audio-guide",[509,699,606],"audio-extract-wasm",{"title":613,"description":690},"help\u002Ffaq\u002Faudio-to-audio-guide","3Ll1cCGkmwGzyaa_hX_t8NLi9OlPbuqSUkP695JHWo4",1778128336036]