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https://ahelpers.com/mp4-converter

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1</head><body><div hidden=""><!--$--><!--/$--></div><!--$--><!--/$--><!--&--><!--&--><div><header class="shadow-sm px-4 md:px-8 sticky top-0 z-50 w-full border-border/40 bg-background/95 backdrop-blursupports-backdrop-filter:bg-background/60"><div class="container mx-auto flex items-center"><a class="flex items-center py-2 lg:mr-6" href="/"><img alt="logo" loading="lazy" width="42" height="42" decoding="async" data-nimg="1" class="rounded w-8 h-8 md:w-[42px] md:h-[42px]" style="color:transparent" srcSet="/_next/image?url=%2Flogo.png&amp;w=48&amp;q=75 1x, /_next/image?url=%2Flogo.png&amp;w=96&amp;q=75 2x" src="/_next/image?url=%2Flogo.png&amp;w=96&amp;q=75"/><h1 class="ml-2 md:ml-4 whitespace-nowrap text-base font-semibold md:text-xl md:font-bold">视频格式转换助手</h1></a><nav aria-label="Main" data-orientation="horizontal" dir="ltr" data-slot="navigation-menu" data-viewport="true" class="group/navigation-menu relative max-w-max flex-1 items-center justify-center hidden md:block"><div style="position:relative"><ul data-orientation="horizontal" data-slot="navigation-menu-list" class="group flex flex-1 list-none items-center justify-center gap-1" dir="ltr"><li data-slot="navigation-menu-item" class="relative"><a data-slot="navigation-menu-link" class="flex-col gap-1 p-2 data-[active=true]:bg-accent/50 data-[active=true]:text-accent-foreground data-[active=true]:hover:bg-accent data-[active=true]:focus:bg-accent [&amp;_svg:not([class*=&#x27;size-&#x27;])]:size-4 [&amp;_svg:not([class*=&#x27;text-&#x27;])]:text-muted-foreground group inline-flex h-9 w-max items-center justify-center rounded-md px-4 py-2 text-sm font-medium transition-[color,box-shadow] outline-none hover:bg-accent hover:text-accent-foreground focus:bg-accent focus:text-accent-foreground focus-visible:ring-[3px] focus-visible:ring-ring/50 focus-visible:outline-1 disabled:pointer-events-none disabled:opacity-50 data-[state=open]:bg-accent/50 data-[state=open]:text-accent-foreground data-[state=open]:hover:bg-accent data-[state=open]:focus:bg-accent bg-transparent !bg-primary-100 !text-primary" data-radix-collection-item="" href="/mp4-converter">MP4转换</a></li><li data-slot="navigation-menu-item" class="relative"><a data-slot="navigation-menu-link" class="flex-col gap-1 p-2 data-[active=true]:bg-accent/50 data-[active=true]:text-accent-foreground data-[active=true]:hover:bg-accent data-[active=true]:focus:bg-accent [&amp;_svg:not([class*=&#x27;size-&#x27;])]:size-4 [&amp;_svg:not([class*=&#x27;text-&#x27;])]:text-muted-foreground group inline-flex h-9 w-max items-center justify-center rounded-md px-4 py-2 text-sm font-medium transition-[color,box-shadow] outline-none hover:bg-accent hover:text-accent-foreground focus:bg-accent focus:text-accent-foreground focus-visible:ring-[3px] focus-visible:ring-ring/50 focus-visible:outline-1 disabled:pointer-events-none disabled:opacity-50 data-[state=open]:bg-accent/50 data-[state=open]:text-accent-foreground data-[state=open]:hover:bg-accent data-[state=open]:focus:bg-accent bg-transparent" data-radix-collection-item="" href="/mp3-converter">MP3转换</a></li><li data-slot="navigation-menu-item" class="relative"><a data-slot="navigation-menu-link" class="flex-col gap-1 p-2 data-[active=true]:bg-accent/50 data-[active=true]:text-accent-foreground data-[active=true]:hover:bg-accent data-[active=true]:focus:bg-accent [&amp;_svg:not([class*=&#x27;size-&#x27;])]:size-4 [&amp;_svg:not([class*=&#x27;text-&#x27;])]:text-muted-foreground group inline-flex h-9 w-max items-center justify-center rounded-md px-4 py-2 text-sm font-medium transition-[color,box-shadow] outline-none hover:bg-accent hover:text-accent-foreground focus:bg-accent focus:text-accent-foreground focus-visible:ring-[3px] focus-visible:ring-ring/50 focus-visible:outline-1 disabled:pointer-events-none disabled:opacity-50 data-[state=open]:bg-accent/50 data-[state=open]:text-accent-foreground data-[state=open]:hover:bg-accent data-[state=open]:focus:bg-accent bg-transparent" data-radix-collection-item="" href="/amv-converter">AMV转换</a></li><li data-slot="navigation-menu-item" class="relative"><a data-slot="navigation-menu-link" class="flex-col gap-1 p-2 data-[active=true]:bg-accent/50 data-[active=true]:text-accent-foreground data-[active=true]:hover:bg-accent data-[active=true]:focus:bg-accent [&amp;_svg:not([class*=&#x27;
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1»´ç "><svg class="fill-primary" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" width="20" height="20"><path d="M732.09 291.91c67.86 67.86 66.15 178.82-2.87 247.84a43.31 43.31 0 0 1-64.61-57.46l8-8.76c31-35.69 30.31-88.3-1.77-120.38-33.61-33.61-89.74-32.74-125.36 2.87-19 19-20.5 61.34 3.37 130.45l3.79 10.53c38.17 103.66 37 182.34-12.89 232.19-69 69-180 70.73-247.84 2.87s-66.15-178.82 2.87-247.84A43.3 43.3 0 0 1 356 545.49c-35.61 35.62-36.48 91.75-2.87 125.36s89.74 32.74 125.36-2.87c19-19 20.5-61.34-3.37-130.45l-8-22.41c-33.77-97.82-30.81-172.41 17.12-220.34 69.03-69.02 179.99-70.73 247.85-2.87zM512 107c-223.68 0-405 181.32-405 405s181.32 405 405 405 405-181.32 405-405-181.32-405-405-405z m0-45c248.53 0 450 201.47 450 450S760.53 962 512 962 62 760.53 62 512 263.47 62 512 62z"></path></svg></button></div><div class="hidden md:block"><button type="button" class="flex items-center text-sm text-slate-700" aria-haspopup="dialog" aria-expanded="false" 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class="min-h-screen"><!--&--><!--&--><!--&--><div class="min-h-screen"><div class="lg:w-1/2 mx-auto px-4"><div class="pt-24 md:pt-32 text-center"><h1 class="text-4xl md:text-5xl font-bold text-transparent bg-clip-text bg-linear-to-r from-green-500 to-teal-500 mb-6">在线MP4视频格式转换器</h1><p class="text-slate-700 text-base md:text-lg max-w-3xl mx-auto leading-relaxed">支持分辨率,比特率/码率,帧率等设置</p></div><div class="mt-16 mb-24"><div class="space-y-6"><div class="border border-slate-200 bg-white rounded-xl shadow-sm overflow-hidden"><div class="p-2"><div class="relative cursor-pointer min-h-52 rounded-2xl border-2 border-dashed flex flex-col justify-center items-center transition-all duration-300 px-6 py-8 border-slate-200 hover:border-primary/50 hover:bg-slate-50"><div class="flex flex-col items-center space-y-4"><div class="w-16 h-16 rounded-full flex items-center justify-center transition-colors bg-slate-100"><svg xmlns="http://www.w3.org/2000/svg" width="32" height="32" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-cloud-upload transition-colors text-slate-400"><path d="M12 13v8"></path><path d="M4 14.899A7 7 0 1 1 15.71 8h1.79a4.5 4.5 0 0 1 2.5 8.242"></path><path d="m8 17 4-4 4 4"></path></svg></div><div class="text-center"><p class="text-lg font-medium mb-1 text-slate-700">拖拽视频文件到此处</p><p class="text-sm text-slate-500">或点击下方按钮选择文件</p></div><div class="flex flex-col sm:flex-row gap-3 relative z-10"><button data-slot="button" data-variant="default" data-size="lg" class="focus-visible:border-ring focus-visible:ring-ring/50 aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive dark:aria-invalid:border-destructive/50 rounded-lg border border-transparent bg-clip-padding text-sm font-medium focus-visible:ring-3 aria-invalid:ring-3 active:translate-y-px [&amp;_svg:not([class*=&#x27;size-&#x27;])]:size-4 group/button inline-flex shrink-0 items-center justify-center whitespace-nowrap transition-all outline-none select-none disabled:pointer-events-none disabled:opacity-50 [&amp;_svg]:pointer-events-none [&amp;_svg]:shrink-0 bg-primary text-primary-foreground [a]:hover:bg-primary/80 h-9 gap-1.5 px-2.5 has-data-[icon=inline-end]:pr-3 has-data-[icon=inline-start]:pl-3 min-w-32"><svg xmlns="http://www.w3.org/2000/svg" width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-file-plus mr-2"><path d="M15 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V7Z"></path><path d="M14 2v4a2 2 0 0 0 2 2h4"></path><path d="M9 15h6"></path><path d="M12 18v-6"></path></svg>选择文件</button></div><p class="text-xs text-slate-400 mt-2">支持 MP4, MOV, AVI, WEBM, FLV, AMV 等格式</p></div><input accept="video/*, video/vnd.dlna.mpeg-tts" type="file" multiple="" class="opacity-0 absolute inset-0 cursor-pointer" name="file"/></div></div></div></div></div></div><div class="max-w-6xl mx-auto px-4 my-20"><div class="text-center mb-12"><h2 class="text-3xl font-bold mb-4">为什么选择MP4格式?</h2><p class="text-gray-600 max-w-2xl mx-auto">MP4是最流行的视频格式,具有出色的兼容性和压缩效率</p></div><div class="grid md:grid-cols-3 gap-8"><div class="text-center p-6 bg-white rounded-xl shadow-sm border hover:shadow-md transition-shadow"><div class="w-16 h-16 bg-blue-100 rounded-full flex items-center justify-center mx-auto mb-4"><span class="text-2xl">📱</span></div><h3 class="text-xl font-semibold mb-3">广泛兼容</h3><p class="text-gray-600 text-sm">支持所有现代设备,从手机到电视,无需担心播放问题</p></div><div class="text-center p-6 bg-white rounded-xl shadow-sm border hover:shadow-md transition-shadow"><div class="w-16 h-16 bg-green-100 rounded-full flex items-center justify-center mx-auto mb-4"><span class="text-2xl">🎯</span></div><h3 class="text-xl font-semibold mb-3">高效压缩</h3><p class="text-gray-600 text-sm">采用先进编码技术,在保持高质量的同时大幅减小文件大小</p></div><div class="text-center p-6 bg-white rounded-xl shadow-sm border hover:shadow-md transition-shadow"><div class="w-16 h-16 bg-purple-100 rounded-full flex items-center justify-center mx-auto mb-4"><span class="text-2xl">⚡</span></div><h3 class="text-xl font-semibold mb-3">快速处理</h3><p class="text-gray-600 text-sm">硬件加速支持,转换速度快,适合批量处理</p></div></div></div><div class="bg-slate-50 py-16"><div class="max-w-6xl mx-auto px-4"><div class="text-center mb-12"><h2 class="text-3xl font-bold mb-4">MP4格式应用场景</h2><p class="text-gray-600">适用于各种视频需求</p></div><div class="grid md:grid-cols-2 lg:grid-cols-4 gap-6"><div class="text-center"><div class="w-12 h-12 bg-blue-500 rounded-lg flex items-center justify-center mx-auto mb-3"><span class="text-white text-lg">🎬</span></div><h4 class="font-semibold mb-2">网络视频</h4><p class="text-sm text-gray-600">YouTube、Netflix等平台</p></div><div class="text-center"><div class="w-12 h-12 bg-green-500 rounded-lg flex items-center justify-center mx-auto mb-3"><span class="text-white text-lg">📱</span></div><h4 class="font-semibold mb-2">移动设备</h4><p class="text-sm text-gray-600">手机、平板默认格式</p></div><div class="text-center"><div class="w-12 h-12 bg-purple-500 rounded-lg flex items-center justify-center mx-auto mb-3"><span class="text-white text-lg">📺</span></div><h4 class="font-semibold mb-2">数字电视</h4><p class="text-sm text-gray-600">IPTV、数字广播</p></div><div class="text-center"><div class="w-12 h-12 bg-orange-500 rounded-lg flex items-center justify-center mx-auto mb-3"><span class="text-white text-lg">🎨</span></div><h4 class="font-semibold mb-2">专业制作</h4><p class="text-sm text-gray-600">视频编辑、后期制作</p></div></div></div></div><div class="max-w-6xl mx-auto px-4 my-20"><div class="text-center mb-12"><h2 class="text-3xl font-bold mb-4">技术优势</h2><p class="text-gray-600">支持多种编码标准</p></div><div class="grid md:grid-cols-3 gap-6"><div class="bg-white p-6 rounded-lg border text-center"><h4 class="font-bold text-lg mb-2">H.264/AVC</h4><p class="text-sm text-gray-600 mb-3">兼容性最佳</p><div class="w-full bg-gray-200 rounded-full h-2"><div class="bg-blue-500 h-2 rounded-full" style="width:95%"></div></div><p class="text-xs text-gray-500 mt-2">兼容性 95%</p></div><div class="bg-white p-6 rounded-lg border text-center"><h4 class="font-bold text-lg mb-2">H.265/HEVC</h4><p class="text-sm text-gray-600 mb-3">压缩效率最高</p><div class="w-full bg-gray-200 rounded-full h-2"><div class="bg-green-500 h-2 rounded-full" style="width:85%"></div></div><p class="text-xs text-gray-500 mt-2">压缩率 85%</p></div><div class="bg-white p-6 rounded-lg border text-center"><h4 class="font-bold text-lg mb-2">AV1</h4><p class="text-sm text-gray-600 mb-3">开源免费</p><div class="w-full bg-gray-200 rounded-full h-2"><div class="bg-purple-500 h-2 rounded-full" style="width:70%"></div></div><p class="text-xs text-gray-500 mt-2">支持度 70%</p></div></div></div><div class="bg-primary/10 text-center p-8 my-20"><h2 class="font-bold text-2xl">MP4</h2><p class="text-sm text-slate-600 mt-6 max-w-2xl mx-auto leading-relaxed">MP4或称MPEG-4是一种视频容器格式,内部封装了视频和音频,同时支持字幕和静态图像,因其良好的压缩效果和兼容性,适用于各种设备和平
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