[{"data":1,"prerenderedAt":1104},["ShallowReactive",2],{"guide-ppt-to-video":3,"related-ppt-to-video":245},{"id":4,"title":5,"body":6,"category":222,"description":223,"extension":224,"keywords":225,"meta":231,"navigation":232,"path":233,"readingTime":234,"relatedTools":235,"seo":240,"stem":241,"type":242,"updatedAt":243,"__hash__":244},"guides\u002Fhelp\u002Fguides\u002Fppt-to-video.md","PPT转视频使用指南：在线将演示文稿转为MP4视频",{"type":7,"value":8,"toc":208},"minimark",[9,13,17,21,26,29,42,45,49,52,56,59,137,141,144,148,151,154,160,168,173,181,184,189,192,197,200,205],[10,11,5],"h1",{"id":12},"ppt转视频使用指南在线将演示文稿转为mp4视频",[14,15,16],"p",{},"PPT转视频功能将你的 PowerPoint 演示文稿自动转换为带语音配音的 MP4 视频。核心原理是提取每页幻灯片的备注文字，通过 VITS 语音合成技术生成配音，逐页合成视频画面。不需要专业视频编辑技能，就能生成可用于网课、产品演示、会议汇报等场景的演示视频。",[18,19,20],"h2",{"id":20},"如何使用",[22,23,25],"h3",{"id":24},"第一步准备ppt文件","第一步：准备PPT文件",[14,27,28],{},"确保你的 PPT 文件满足以下条件：",[30,31,32,36,39],"ul",{},[33,34,35],"li",{},"格式为 .ppt 或 .pptx",[33,37,38],{},"文件大小不超过 200MB",[33,40,41],{},"如需自动配音，在每页幻灯片的备注栏写入对应台词",[14,43,44],{},"如果某些页面不需要配音，留空备注即可，该页将在设定的停留时长后自动切换。",[22,46,48],{"id":47},"第二步上传文件","第二步：上传文件",[14,50,51],{},"打开 91aitool.cn 的 PPT转视频 工具页面，拖拽或点击上传 PPT 文件。上传前建议关闭 PPT 文件，避免文件被系统占用导致上传失败。",[22,53,55],{"id":54},"第三步设置参数","第三步：设置参数",[14,57,58],{},"上传完成后，在参数面板中配置视频参数：",[60,61,62,78],"table",{},[63,64,65],"thead",{},[66,67,68,72,75],"tr",{},[69,70,71],"th",{},"参数",[69,73,74],{},"选项",[69,76,77],{},"说明",[79,80,81,93,104,115,126],"tbody",{},[66,82,83,87,90],{},[84,85,86],"td",{},"视频分辨率",[84,88,89],{},"1920×1080 \u002F 1280×720",[84,91,92],{},"1080p 画质更清晰，720p 文件更小",[66,94,95,98,101],{},[84,96,97],{},"帧率",[84,99,100],{},"24 fps \u002F 30 fps",[84,102,103],{},"24fps 满足大多数场景，30fps 更流畅",[66,105,106,109,112],{},[84,107,108],{},"发音人",[84,110,111],{},"5 种男女声可选",[84,113,114],{},"不同发音人适合不同风格的视频",[66,116,117,120,123],{},[84,118,119],{},"语速",[84,121,122],{},"0.5x ~ 2.0x",[84,124,125],{},"建议 0.8x-1.2x，太快影响理解",[66,127,128,131,134],{},[84,129,130],{},"无备注停留",[84,132,133],{},"1 ~ 10 秒",[84,135,136],{},"无备注的页面停留多长时间后切换",[22,138,140],{"id":139},"第四步开始转换","第四步：开始转换",[14,142,143],{},"确认参数设置无误后，点击转换按钮。系统将上传文件到服务器进行处理，处理时长取决于 PPT 页数和视频分辨率。一个 20 页左右的 PPT 通常在 1-3 分钟内完成。",[22,145,147],{"id":146},"第五步下载视频","第五步：下载视频",[14,149,150],{},"处理完成后，页面会出现下载按钮。点击下载 MP4 视频文件到本地。服务器上的源文件和中间文件会自动删除。",[18,152,153],{"id":153},"参数说明",[14,155,156],{},[157,158,159],"strong",{},"分辨率选择建议：",[30,161,162,165],{},[33,163,164],{},"1080p：适合正式课程、产品演示、大屏播放",[33,166,167],{},"720p：适合网络传输、邮件分享、移动端观看",[14,169,170],{},[157,171,172],{},"发音人选择建议：",[30,174,175,178],{},[33,176,177],{},"女生发音人：声音亲和力强，适合教育类、培训类内容",[33,179,180],{},"男生发音人：声音沉稳专业，适合汇报类、技术类内容",[18,182,183],{"id":183},"常见问题",[14,185,186],{},[157,187,188],{},"生成的视频有水印吗？",[14,190,191],{},"没有水印。91AI 工具生成的视频为纯净内容，不含任何品牌水印或广告。",[14,193,194],{},[157,195,196],{},"备注文字有长度限制吗？",[14,198,199],{},"单页备注建议控制在 500 字以内。过长的备注文字可能导致配音时长过长，影响观看体验。如果内容较多，建议拆分为多页幻灯片。",[14,201,202],{},[157,203,204],{},"能否批量转换多个PPT？",[14,206,207],{},"当前版本单次仅支持转换一个 PPT 文件。如需批量处理，请逐个上传转换。",{"title":209,"searchDepth":210,"depth":210,"links":211},"",2,[212,220,221],{"id":20,"depth":210,"text":20,"children":213},[214,216,217,218,219],{"id":24,"depth":215,"text":25},3,{"id":47,"depth":215,"text":48},{"id":54,"depth":215,"text":55},{"id":139,"depth":215,"text":140},{"id":146,"depth":215,"text":147},{"id":153,"depth":210,"text":153},{"id":183,"depth":210,"text":183},"media-processing","91AI工具PPT转视频功能使用指南：上传PPT\u002FPPTX自动转换为带配音的MP4视频。支持1080p\u002F720p分辨率、24\u002F30fps帧率、5种发音人选择、语速0.5x-2.0x调节，附完整操作步骤和参数说明。","md",[226,227,228,229,230],"PPT转视频教程","演示文稿转MP4","在线PPT转视频方法","PPT配音视频","幻灯片转视频步骤",{},true,"\u002Fhelp\u002Fguides\u002Fppt-to-video",4,[236,237,238,239],"ppt-to-gif","ppt-to-image","video-to-video","ppt-compress",{"title":5,"description":223},"help\u002Fguides\u002Fppt-to-video","guide","2026-07-20","2a50QYG0mF6fXUX6tF6o_4aWS1Ply8KmAPx8f_imgEU",[246,372,522],{"id":247,"title":248,"body":249,"category":222,"description":356,"extension":224,"keywords":357,"meta":363,"navigation":232,"path":364,"readingTime":234,"relatedTools":365,"seo":369,"stem":370,"type":242,"updatedAt":243,"__hash__":371},"guides\u002Fhelp\u002Fguides\u002Fppt-to-gif.md","PPT转GIF使用指南：在线将演示文稿转为动态图片",{"type":7,"value":250,"toc":346},[251,254,257,259,261,264,267,269,272,274,309,312,314,317,321,324,327,332,335,340,343],[10,252,248],{"id":253},"ppt转gif使用指南在线将演示文稿转为动态图片",[14,255,256],{},"PPT转GIF功能将你的 PowerPoint 演示文稿转换为 GIF 动图。与传统截屏拼图的方式不同，该工具能完整保留幻灯片的布局和样式，逐页输出为连续的动图画面，适合用于社交媒体分享、产品功能演示、教学步骤展示等不需要配音的轻量场景。",[18,258,20],{"id":20},[22,260,25],{"id":24},[14,262,263],{},"上传前确保 PPT 文件为 .ppt 或 .pptx 格式，大小在 200MB 以内。不需要在备注中写台词，GIF 是无声格式，只保留幻灯片画面。",[14,265,266],{},"建议在转换前精简 PPT 页数，GIF 文件大小会随页数和分辨率增加而快速增长。通常建议控制在 20 页以内效果最佳。",[22,268,48],{"id":47},[14,270,271],{},"打开 91aitool.cn 的 PPT转GIF 工具页面，将 PPT 文件拖拽到上传区域或点击选择文件。等待上传完成。",[22,273,55],{"id":54},[60,275,276,284],{},[63,277,278],{},[66,279,280,282],{},[69,281,71],{},[69,283,77],{},[79,285,286,294,302],{},[66,287,288,291],{},[84,289,290],{},"页面范围",[84,292,293],{},"可选择全部页面或指定页码范围（如 1-10）",[66,295,296,299],{},[84,297,298],{},"画面尺寸",[84,300,301],{},"支持原始尺寸或等比缩放，建议宽度不超过 800px",[66,303,304,306],{},[84,305,97],{},[84,307,308],{},"控制动画流畅度，推荐 5-10 fps",[14,310,311],{},"GIF 与视频不同，文件大小与帧率和分辨率呈线性关系。缩小画面尺寸和降低帧率能显著减小输出文件大小。",[22,313,140],{"id":139},[14,315,316],{},"确认参数后点击转换按钮，等待处理完成。",[22,318,320],{"id":319},"第五步下载gif","第五步：下载GIF",[14,322,323],{},"处理完成后点击下载按钮保存 GIF 文件到本地。",[18,325,326],{"id":326},"注意事项",[14,328,329],{},[157,330,331],{},"GIF 的文件大小问题",[14,333,334],{},"GIF 格式的压缩效率远低于现代视频编码。一个包含 15 页高分辨率图片的 PPT 转成 GIF 后可能达到 10-50MB。如果需要更小的文件和更高的画质，建议使用 PPT转视频（MP4格式）。",[14,336,337],{},[157,338,339],{},"适合与不适合的场景",[14,341,342],{},"适合：社交媒体宣传动图、产品功能介绍轮播、教学步骤演示、邮件签名档动画",[14,344,345],{},"不适合：需要配音讲解的内容、画质要求高的专业演示、长篇幅的完整课程内容",{"title":209,"searchDepth":210,"depth":210,"links":347},[348,355],{"id":20,"depth":210,"text":20,"children":349},[350,351,352,353,354],{"id":24,"depth":215,"text":25},{"id":47,"depth":215,"text":48},{"id":54,"depth":215,"text":55},{"id":139,"depth":215,"text":140},{"id":319,"depth":215,"text":320},{"id":326,"depth":210,"text":326},"91AI工具PPT转GIF功能使用指南：上传PPT\u002FPPTX文件一键转换为GIF动图。支持选择转换页面范围、调整画面尺寸和帧率，适合制作社交媒体宣传动图、产品演示轮播图、教学步骤动图等场景。",[358,359,360,361,362],"PPT转GIF教程","幻灯片转动图","在线PPT转GIF","演示文稿转GIF","PPT动图制作",{},"\u002Fhelp\u002Fguides\u002Fppt-to-gif",[366,237,367,368],"ppt-to-video","gif-compress","video-to-gif",{"title":248,"description":356},"help\u002Fguides\u002Fppt-to-gif","bcisUIW83-tPE9l1jHx6LMj4CeEq8WVHX44SVyNXklk",{"id":4,"title":5,"body":373,"category":222,"description":223,"extension":224,"keywords":518,"meta":519,"navigation":232,"path":233,"readingTime":234,"relatedTools":520,"seo":521,"stem":241,"type":242,"updatedAt":243,"__hash__":244},{"type":7,"value":374,"toc":507},[375,377,379,381,383,385,393,395,397,399,401,403,457,459,461,463,465,467,471,477,481,487,489,493,495,499,501,505],[10,376,5],{"id":12},[14,378,16],{},[18,380,20],{"id":20},[22,382,25],{"id":24},[14,384,28],{},[30,386,387,389,391],{},[33,388,35],{},[33,390,38],{},[33,392,41],{},[14,394,44],{},[22,396,48],{"id":47},[14,398,51],{},[22,400,55],{"id":54},[14,402,58],{},[60,404,405,415],{},[63,406,407],{},[66,408,409,411,413],{},[69,410,71],{},[69,412,74],{},[69,414,77],{},[79,416,417,425,433,441,449],{},[66,418,419,421,423],{},[84,420,86],{},[84,422,89],{},[84,424,92],{},[66,426,427,429,431],{},[84,428,97],{},[84,430,100],{},[84,432,103],{},[66,434,435,437,439],{},[84,436,108],{},[84,438,111],{},[84,440,114],{},[66,442,443,445,447],{},[84,444,119],{},[84,446,122],{},[84,448,125],{},[66,450,451,453,455],{},[84,452,130],{},[84,454,133],{},[84,456,136],{},[22,458,140],{"id":139},[14,460,143],{},[22,462,147],{"id":146},[14,464,150],{},[18,466,153],{"id":153},[14,468,469],{},[157,470,159],{},[30,472,473,475],{},[33,474,164],{},[33,476,167],{},[14,478,479],{},[157,480,172],{},[30,482,483,485],{},[33,484,177],{},[33,486,180],{},[18,488,183],{"id":183},[14,490,491],{},[157,492,188],{},[14,494,191],{},[14,496,497],{},[157,498,196],{},[14,500,199],{},[14,502,503],{},[157,504,204],{},[14,506,207],{},{"title":209,"searchDepth":210,"depth":210,"links":508},[509,516,517],{"id":20,"depth":210,"text":20,"children":510},[511,512,513,514,515],{"id":24,"depth":215,"text":25},{"id":47,"depth":215,"text":48},{"id":54,"depth":215,"text":55},{"id":139,"depth":215,"text":140},{"id":146,"depth":215,"text":147},{"id":153,"depth":210,"text":153},{"id":183,"depth":210,"text":183},[226,227,228,229,230],{},[236,237,238,239],{"title":5,"description":223},{"id":523,"title":524,"body":525,"category":222,"description":1086,"extension":224,"keywords":1087,"meta":1093,"navigation":232,"path":1094,"readingTime":1095,"relatedTools":1096,"seo":1100,"stem":1101,"type":242,"updatedAt":1102,"__hash__":1103},"guides\u002Fhelp\u002Fguides\u002Fvideo-compress.md","视频压缩使用指南：减小视频文件大小",{"type":7,"value":526,"toc":1062},[527,530,534,537,604,608,612,621,627,638,643,648,652,657,668,673,684,689,700,704,709,720,725,736,740,743,757,762,773,775,778,781,784,845,848,852,863,868,879,883,894,896,900,905,920,924,929,940,944,949,960,964,969,980,984,997,1000,1027,1030,1033,1059],[14,528,529],{},"视频文件过大是常见困扰。根据Cisco年度互联网报告，视频流量占全球互联网流量的82%以上，平均视频文件大小以每年15%的速度增长。无论是发送给朋友、上传到网站，还是存储到移动设备，压缩视频能有效解决这些问题。本指南将介绍如何使用91AI工具压缩视频。",[18,531,533],{"id":532},"为什么需要压缩视频","为什么需要压缩视频？",[22,535,536],{"id":536},"常见需求",[538,539,540,556,572,588],"ol",{},[33,541,542,545],{},[157,543,544],{},"社交分享",[30,546,547,550,553],{},[33,548,549],{},"平台上传限制",[33,551,552],{},"加快上传速度",[33,554,555],{},"节省流量",[33,557,558,561],{},[157,559,560],{},"邮件发送",[30,562,563,566,569],{},[33,564,565],{},"附件大小限制",[33,567,568],{},"快速发送接收",[33,570,571],{},"不占用邮箱空间",[33,573,574,577],{},[157,575,576],{},"存储管理",[30,578,579,582,585],{},[33,580,581],{},"减少硬盘占用",[33,583,584],{},"备份速度更快",[33,586,587],{},"手机存储优化",[33,589,590,593],{},[157,591,592],{},"网络播放",[30,594,595,598,601],{},[33,596,597],{},"减少缓冲时间",[33,599,600],{},"降低带宽需求",[33,602,603],{},"流畅播放体验",[18,605,607],{"id":606},"使用91ai压缩视频","使用91AI压缩视频",[22,609,611],{"id":610},"第一步上传视频","第一步：上传视频",[14,613,614,615,620],{},"打开 ",[616,617,619],"a",{"href":618},"\u002Ftools\u002Fvideo-compress","91AI 视频压缩工具","。",[14,622,623,626],{},[157,624,625],{},"支持格式","：",[30,628,629,632,635],{},[33,630,631],{},"MP4、MOV、AVI",[33,633,634],{},"MKV、WMV、FLV",[33,636,637],{},"WebM、M4V等",[14,639,640,626],{},[157,641,642],{},"文件大小",[30,644,645],{},[33,646,647],{},"最大支持300MB",[22,649,651],{"id":650},"第二步选择压缩强度","第二步：选择压缩强度",[14,653,654,626],{},[157,655,656],{},"弱压缩（75%）",[30,658,659,662,665],{},[33,660,661],{},"轻微减小大小",[33,663,664],{},"画质几乎无损",[33,666,667],{},"适合高质量需求",[14,669,670,626],{},[157,671,672],{},"一般压缩（50%推荐）",[30,674,675,678,681],{},[33,676,677],{},"平衡大小和质量",[33,679,680],{},"适合大多数场景",[33,682,683],{},"推荐首选",[14,685,686,626],{},[157,687,688],{},"强压缩（30%）",[30,690,691,694,697],{},[33,692,693],{},"大幅减小大小",[33,695,696],{},"画质有所下降",[33,698,699],{},"适合网络分享",[22,701,703],{"id":702},"第三步选择输出格式","第三步：选择输出格式",[14,705,706,626],{},[157,707,708],{},"MP4（推荐）",[30,710,711,714,717],{},[33,712,713],{},"兼容性好",[33,715,716],{},"压缩率高",[33,718,719],{},"通用选择",[14,721,722,626],{},[157,723,724],{},"其他格式",[30,726,727,730,733],{},[33,728,729],{},"MOV：苹果设备",[33,731,732],{},"AVI：Windows兼容",[33,734,735],{},"FLV：网页播放",[22,737,739],{"id":738},"第四步开始压缩","第四步：开始压缩",[14,741,742],{},"点击\"开始压缩\"，系统会：",[538,744,745,748,751,754],{},[33,746,747],{},"分析视频内容",[33,749,750],{},"应用压缩算法",[33,752,753],{},"调整分辨率码率",[33,755,756],{},"生成压缩文件",[14,758,759,626],{},[157,760,761],{},"处理时间",[30,763,764,767,770],{},[33,765,766],{},"1分钟视频：1-3分钟",[33,768,769],{},"5分钟视频：5-10分钟",[33,771,772],{},"与视频长度相关",[22,774,147],{"id":146},[14,776,777],{},"查看压缩前后对比，下载压缩后的视频。",[18,779,780],{"id":780},"压缩效果参考",[22,782,783],{"id":783},"典型压缩率",[60,785,786,802],{},[63,787,788],{},[66,789,790,793,796,799],{},[69,791,792],{},"原文件",[69,794,795],{},"弱压缩",[69,797,798],{},"一般",[69,800,801],{},"强压缩",[79,803,804,818,832],{},[66,805,806,809,812,815],{},[84,807,808],{},"100MB",[84,810,811],{},"75MB",[84,813,814],{},"50MB",[84,816,817],{},"30MB",[66,819,820,823,826,829],{},[84,821,822],{},"500MB",[84,824,825],{},"375MB",[84,827,828],{},"250MB",[84,830,831],{},"150MB",[66,833,834,837,840,842],{},[84,835,836],{},"1GB",[84,838,839],{},"750MB",[84,841,822],{},[84,843,844],{},"300MB",[22,846,847],{"id":847},"画质对比",[14,849,850,626],{},[157,851,795],{},[30,853,854,857,860],{},[33,855,856],{},"肉眼难辨差异",[33,858,859],{},"适合专业用途",[33,861,862],{},"文件减小有限",[14,864,865,626],{},[157,866,867],{},"一般压缩",[30,869,870,873,876],{},[33,871,872],{},"轻微画质下降",[33,874,875],{},"日常观看可接受",[33,877,878],{},"推荐平衡点",[14,880,881,626],{},[157,882,801],{},[30,884,885,888,891],{},[33,886,887],{},"明显画质下降",[33,889,890],{},"适合小屏幕观看",[33,892,893],{},"文件大幅减小",[18,895,183],{"id":183},[22,897,899],{"id":898},"q1-压缩后画质太差","Q1: 压缩后画质太差？",[14,901,902,626],{},[157,903,904],{},"解决",[30,906,907,910,917],{},[33,908,909],{},"选择弱压缩强度",[33,911,912,913],{},"或",[616,914,916],{"href":915},"\u002Ftools\u002Fvideo-convert","视频格式转换",[33,918,919],{},"提高输出分辨率",[22,921,923],{"id":922},"q2-压缩后文件还是太大","Q2: 压缩后文件还是太大？",[14,925,926,626],{},[157,927,928],{},"建议",[30,930,931,934,937],{},[33,932,933],{},"选择强压缩",[33,935,936],{},"分段压缩后上传",[33,938,939],{},"使用网盘分享链接",[22,941,943],{"id":942},"q3-可以压缩特定片段吗","Q3: 可以压缩特定片段吗？",[14,945,946,626],{},[157,947,948],{},"回答",[30,950,951,954,957],{},[33,952,953],{},"本工具压缩完整视频",[33,955,956],{},"如需片段，先用剪辑软件",[33,958,959],{},"再使用本工具压缩",[22,961,963],{"id":962},"q4-压缩失败怎么办","Q4: 压缩失败怎么办？",[14,965,966,626],{},[157,967,968],{},"可能原因",[30,970,971,974,977],{},[33,972,973],{},"视频文件损坏",[33,975,976],{},"格式不支持",[33,978,979],{},"文件过大",[14,981,982,626],{},[157,983,904],{},[30,985,986,989,994],{},[33,987,988],{},"检查视频能否正常播放",[33,990,991,992],{},"尝试",[616,993,916],{"href":915},[33,995,996],{},"分割视频后处理",[18,998,999],{"id":999},"相关工具",[30,1001,1002,1009,1018],{},[33,1003,1004,1008],{},[157,1005,1006],{},[616,1007,916],{"href":915}," - 转换视频格式",[33,1010,1011,1017],{},[157,1012,1013],{},[616,1014,1016],{"href":1015},"\u002Ftools\u002Faudio-extract","视频转音频"," - 提取音频",[33,1019,1020,1026],{},[157,1021,1022],{},[616,1023,1025],{"href":1024},"\u002Ftools\u002Faudio-compress","音频压缩"," - 压缩音频文件",[18,1028,1029],{"id":1029},"总结",[14,1031,1032],{},"视频压缩是管理视频文件的有效方式：",[538,1034,1035,1041,1047,1053],{},[33,1036,1037,1040],{},[157,1038,1039],{},"选择强度","：平衡大小和质量",[33,1042,1043,1046],{},[157,1044,1045],{},"选择格式","：MP4通用推荐",[33,1048,1049,1052],{},[157,1050,1051],{},"执行压缩","：一键完成处理",[33,1054,1055,1058],{},[157,1056,1057],{},"检查结果","：确认满足需求",[14,1060,1061],{},"合理压缩视频，轻松分享和存储您的视频内容。",{"title":209,"searchDepth":210,"depth":210,"links":1063},[1064,1067,1074,1078,1084,1085],{"id":532,"depth":210,"text":533,"children":1065},[1066],{"id":536,"depth":215,"text":536},{"id":606,"depth":210,"text":607,"children":1068},[1069,1070,1071,1072,1073],{"id":610,"depth":215,"text":611},{"id":650,"depth":215,"text":651},{"id":702,"depth":215,"text":703},{"id":738,"depth":215,"text":739},{"id":146,"depth":215,"text":147},{"id":780,"depth":210,"text":780,"children":1075},[1076,1077],{"id":783,"depth":215,"text":783},{"id":847,"depth":215,"text":847},{"id":183,"depth":210,"text":183,"children":1079},[1080,1081,1082,1083],{"id":898,"depth":215,"text":899},{"id":922,"depth":215,"text":923},{"id":942,"depth":215,"text":943},{"id":962,"depth":215,"text":963},{"id":999,"depth":210,"text":999},{"id":1029,"depth":210,"text":1029},"学习如何压缩视频文件，调整压缩强度和输出格式，在保持可接受画质的同时大幅减小文件大小。",[1088,1089,1090,1091,1092],"视频压缩","视频瘦身","减小视频","视频优化","在线压缩",{},"\u002Fhelp\u002Fguides\u002Fvideo-compress",5,[1097,1098,1099],"video-compress","video-convert","audio-extract",{"title":524,"description":1086},"help\u002Fguides\u002Fvideo-compress","2026-05-03","Gm-y7wbv_29_Ug5nqXbn9RepWhjKh3QOzgyCRSY2ykk",1784616583992]