[{"data":1,"prerenderedAt":274},["ShallowReactive",2],{"tool-content-extractPdfImages-zh":3,"editor-messages-extractPdfImages-zh":84},{"metaTitle":4,"metaDescription":5,"h1":6,"intro":7,"howToSteps":8,"howToTitle":18,"faq":19,"faqTitle":41,"benefits":42,"useCases":67,"useCasesTitle":77,"relatedToolsTitle":78,"relatedReasons":79},"PDF提取图片：免费在线PDF图片提取工具 | Visual PDF","从PDF中提取内嵌的图片，并以原始质量保存，免费且无需注册账号。选择需要的图片，逐个下载或打包为ZIP。全部在浏览器中处理，文件不会离开您的设备。","PDF提取图片","从PDF中提取内嵌的图片，并以原始质量保存。工具找到的是文档里真正嵌入的图片，不是页面的截图，并原样交还给您，全部在浏览器中处理。",[9,12,15],{"title":10,"content":11},"打开PDF文件","把PDF拖到上传区域，或者从设备中选择。文件会在浏览器中打开，工具随即查找文档里的图片。文件不会离开您的设备。",{"title":13,"content":14},"选择要保留的图片","找到的每张图片都会以边框标注在页面原来的位置上。点击边框可以去掉不想要的，也可以用“全选”和“取消选择”一次完成。",{"title":16,"content":17},"下载图片","点击“完成”，然后逐张保存，或者用“全部下载（.zip）”一次下载所有图片。","怎么从PDF里提取图片",[20,23,26,29,32,35,38],{"q":21,"a":22},"文件会被传到服务器上吗？","不会。文件不会离开您的设备，全部在浏览器中处理，不会被上传、保存或者扫描。提取时打开浏览器的“网络”面板，您会看到没有任何文件离开这台电脑。",{"q":24,"a":25},"提取图片后质量会变差吗？","不会。PDF里的照片通常本身就是JPEG文件，工具会把它的字节原样交还，不会重新压缩，所以您得到的就是文档里保存的那个文件。唯一的例外是：需要透明背景、调色板或者色彩转换的图片，会解码后保存成PNG。",{"q":27,"a":28},"这和把PDF转成JPG有什么区别？","把PDF转成JPG，是把每一页都渲染成一张图片。这个工具找到的是文档里已经嵌好的图片，并把它们抽成单独的文件。如果您想要整页的图片，请用PDF转图片工具。",{"q":30,"a":31},"能把标志和图画也提取出来吗？","照片、扫描件和位图标志可以。用矢量图形画出来的内容，在PDF里并不是以图片文件的形式保存的，所以没法当成图片提取出来。以位图保存的标志会出现；用矢量画出来的不会。",{"q":33,"a":34},"能把它们保存成PNG吗？","需要透明背景或者调色板的图片，本来就以PNG格式输出。JPEG照片则以JPEG输出，因为把JPEG转成PNG意味着先解码再重新压缩，这正是上面那个问题里说的质量损失。",{"q":36,"a":37},"手机上能用吗？","可以。浏览器里就是同一个工具，iPhone和安卓都能用，不用安装任何东西。打开PDF，点击想要的图片，然后直接下载到手机。",{"q":39,"a":40},"怎么把PDF里的图片导出来？","打开PDF后，每张图片都会以边框显示在页面上。保留想要的图片，去掉不要的，然后点击“完成”，逐张下载或者用“全部下载（.zip）”打包下载。","关于提取PDF图片的常见问题",[43,47,51,55,59,63],{"title":44,"content":45,"icon":46},"原始质量，不是重新渲染","PDF里的照片通常本身就是JPEG文件。工具把它的字节原样交还，不会重新压缩，您得到的和文档里保存的是同一个文件。","i-hugeicons-image-01",{"title":48,"content":49,"icon":50},"真正嵌入的图片，不是页面截图","这个工具提取的是文档里嵌好的图片，不是把页面渲染成JPG。如果您想要整页的图片，请用PDF转图片工具。","i-hugeicons-cursor-01",{"title":52,"content":53,"icon":54},"看清每张图片的位置","每张图片都以边框标注在它所处的那一页上。您看着版面来选择，不用靠猜文件名。","i-hugeicons-view",{"title":56,"content":57,"icon":58},"每张只出现一次，出现多少次都一样","每张图片只出现一次，即使它在很多地方被使用。一个画在四十页上的标志，仍然是一张图片，而不是四十份副本。","i-hugeicons-copy-01",{"title":60,"content":61,"icon":62},"文件留在您的设备上","文档在浏览器中读取，图片也在浏览器中裁剪出来。文件不会离开您的设备，全部在浏览器中处理。","i-hugeicons-security-lock",{"title":64,"content":65,"icon":66},"免费、无需注册、不加水印","想提取多少张就提取多少张，不用注册，下载的文件也不会被添加任何东西。","i-hugeicons-checkmark-square-01",[68,71,74],{"title":69,"content":70},"重复使用手册或报告里的图片","把扫描或导出的文档里的照片取出来重新使用。手册、目录或者报告里常常藏着值得保留的图片。",{"title":72,"content":73},"找回已经没有源文件的原图","设计师发来了PDF，源文件却找不到了。把图片提取出来，就能以原始质量拿回原图，不必再索要工作文件。",{"title":75,"content":76},"从论文或幻灯片里取图","需要论文、幻灯片或者手册里的图表、示意图或照片？只提取想要的图片，其余的都留在原处。","什么时候需要提取PDF图片","接下来可以做什么",{"pdfToImages":80,"cropPdfPages":81,"compressPdf":82,"imagesToPdf":83},"想把整页转成图片，而不是提取页面里的图片？请用PDF转JPG。","需要页面上的某一块区域，而不是内嵌图片？直接裁剪。","图片太大？压缩它们所在的PDF。","把保留的图片重新合成为新的PDF。",{"current":85,"fallback":179},{"common":86,"tool":170},{"processingTitle":87,"processingFailedTitle":88,"readyTitle":89,"errorTitle":90,"errorDescription":91,"fileUnreadableTitle":92,"fileUnreadableDescription":93,"fileMissingTitle":94,"fileMissingDescription":95,"documentTooLargeTitle":96,"documentTooLargeDescription":97,"redactUnverifiedTitle":98,"redactUnverifiedDescription":99,"fileTooLargeTitle":100,"fileTooLargeDescription":101,"jobTooLargeTitle":102,"jobTooLargeDescription":103,"officeSizeLimits":104,"convertUnsupportedTitle":105,"convertUnsupportedDescription":106,"convertTooLargeTitle":107,"convertTooLargeDescription":108,"convertTooManyFilesTitle":109,"convertTooManyFilesDescription":110,"convertQuotaTitle":111,"convertQuotaDescription":112,"convertRateLimitedTitle":113,"convertRateLimitedDescription":114,"convertVerificationTitle":115,"convertVerificationDescription":116,"convertUnavailableTitle":117,"convertUnavailableDescription":118,"convertNetworkTitle":119,"convertNetworkDescription":120,"selectFileAgain":121,"retry":122,"downloadZip":123,"downloadFileTooltip":124,"finish":125,"download":126,"moreActions":127,"continueEditing":128,"backToEdition":129,"editAnotherFile":130,"restart":131,"feedback":132,"editNewFileWith":133,"renameFile":134,"printFile":135,"archiveFailedTitle":136,"archiveFailedDescription":137,"downloadFailedTitle":138,"downloadFailedDescription":139,"printFailedTitle":140,"printFailedDescription":139,"colorPickerNone":141,"colorPickerCustom":142,"officeConvertButton":143,"rateThisTool":144,"inputFile":145,"inputFiles":145,"zoomIn":146,"zoomOut":147,"reset":148,"resetTooltip":149,"resetConfirmTitle":150,"resetConfirmMessage":151,"moveLeft":152,"moveRight":153,"selectPagesTitle":154,"addPagesRange":155,"addPageSingle":156,"rangeFrom":157,"rangeTo":158,"ratingQuestion":159,"ratingThanksTitle":160,"ratingDoneTitle":161,"ratingBad":162,"ratingMeh":163,"ratingGood":164,"ratingSend":165,"ratingSentDescription":166,"ratingAlreadyRated":167,"ratingErrorExpired":168,"ratingErrorGeneric":169},"正在处理您的文件","处理过程中出错了","文件已经处理好了！","我们这边出了点问题","我们已经收到这条错误报告，给您带来不便，非常抱歉。","我们读不到您的文件了","它可能在打开之后被移动、改名或者编辑过了，请重新选择一次。","您的文件已经不在了","请重新选择一次，好在这里完成操作。","这个文档对您的浏览器来说太大了","文件不会离开您的设备，全部在这个标签页中处理，内存已经不够用了。关掉其他标签页再重新开始，也许就能完成。","我们无法确认内容已经被删除","我们重新读取了生成的文件，某个黑色区域下面仍有内容可以读出来，所以没有交给您。请把标记的范围画大一点，或者告诉我们这份文件的情况。","这个文件太大了","{name} 超过了单个文件 {max} 的上限。","有些文件没有被导入","加上它们，总大小会超过 {max} 的上限。","每个文件最大 {file}，总共最大 {job}。","这个文件我们转换不了","这种格式没法转成 PDF，试试 Word、Excel 或者 PowerPoint 文档。","您的文件太大了","换成小一点的文档再试一次。","一次上传的文件太多了","分成几批来转换吧。","今天的转换额度用完了","这项免费服务已经达到今天的上限，明天再来吧。","尝试次数太多了","请等一分钟再重新转换。","我们没能验证您的浏览器","可能是隐私插件或者广告拦截器挡住了验证。请重试，或者在这个页面上把它关掉。","转换服务暂时用不了","这是我们这边的问题，不是您的。请过几分钟再试。","我们连不上服务器","请检查一下网络再试一次。","重新选择文件","重试","全部下载（.zip）","下载文件","完成","下载","更多操作","继续编辑","返回编辑","编辑其他文件","重新开始","给我们提点建议","用其他工具继续处理","重命名文件","打印文件","压缩包生成失败","无法生成压缩包，请逐个下载文件。","下载失败","链接可能已经失效，请重新转换一次文件。","打印失败","无","自定义","转换","给这个工具评分","源文件","放大","缩小","重置","将文档恢复到初始状态","要重置修改吗？","您在这个工具里做的所有修改都会丢失。","向左移动这一页","向右移动这一页","选择页面","添加第{from}至{to}页","添加第{n}页","从","到","您觉得“{tool}”这个工具好用吗？","谢谢！还想多说几句吗？","谢谢您！","不好用","一般","好用！","发送","我们已经收到您的留言，非常感谢您的帮助。","您已经给这个工具评过分了，再次感谢您的帮助！","评分已保存，但现在补充留言已经太晚了。","留言没能保存，请再试一次。",{"scanning":171,"scanFailed":172,"noneFound":173,"title":174,"selectedCount":175,"someFailed":176,"selectAll":177,"selectNone":178},"正在查找图片…","无法扫描这个文档里的图片。","这个文档里没有找到图片。","图片提取","已选择图片：{selected}/{total}","有{count}张图片无法提取。","全选","取消选择",{"common":180,"tool":265},{"processingTitle":181,"processingFailedTitle":182,"readyTitle":183,"errorTitle":184,"errorDescription":185,"fileUnreadableTitle":186,"fileUnreadableDescription":187,"fileMissingTitle":188,"fileMissingDescription":189,"documentTooLargeTitle":190,"documentTooLargeDescription":191,"redactUnverifiedTitle":192,"redactUnverifiedDescription":193,"fileTooLargeTitle":194,"fileTooLargeDescription":195,"jobTooLargeTitle":196,"jobTooLargeDescription":197,"officeSizeLimits":198,"convertUnsupportedTitle":199,"convertUnsupportedDescription":200,"convertTooLargeTitle":201,"convertTooLargeDescription":202,"convertTooManyFilesTitle":203,"convertTooManyFilesDescription":204,"convertQuotaTitle":205,"convertQuotaDescription":206,"convertRateLimitedTitle":207,"convertRateLimitedDescription":208,"convertVerificationTitle":209,"convertVerificationDescription":210,"convertUnavailableTitle":211,"convertUnavailableDescription":212,"convertNetworkTitle":213,"convertNetworkDescription":214,"selectFileAgain":215,"retry":216,"downloadZip":217,"downloadFileTooltip":218,"finish":219,"download":220,"moreActions":221,"continueEditing":222,"backToEdition":223,"editAnotherFile":224,"restart":225,"feedback":226,"editNewFileWith":227,"renameFile":228,"printFile":229,"archiveFailedTitle":230,"archiveFailedDescription":231,"downloadFailedTitle":232,"downloadFailedDescription":233,"printFailedTitle":234,"printFailedDescription":233,"colorPickerNone":235,"colorPickerCustom":236,"officeConvertButton":237,"rateThisTool":238,"inputFile":239,"inputFiles":240,"zoomIn":241,"zoomOut":242,"reset":243,"resetTooltip":244,"resetConfirmTitle":245,"resetConfirmMessage":246,"moveLeft":247,"moveRight":248,"selectPagesTitle":249,"addPagesRange":250,"addPageSingle":251,"rangeFrom":252,"rangeTo":253,"ratingQuestion":254,"ratingThanksTitle":255,"ratingDoneTitle":256,"ratingBad":257,"ratingMeh":258,"ratingGood":259,"ratingSend":260,"ratingSentDescription":261,"ratingAlreadyRated":262,"ratingErrorExpired":263,"ratingErrorGeneric":264},"Your files are being processed","An error occurred during processing","Your files are ready!","Something went wrong on our side","We have been informed of this error. We apologize for any inconvenience caused.","We can no longer read your file","It may have been moved, renamed or edited since you opened it. Please select it again.","Your file is no longer loaded","Please select it again to finish here.","This document is too large for your browser","Your files never leave your device, so all the work happens in this tab and it ran out of memory. Closing other tabs and starting again may free enough to finish.","We could not confirm this redaction","We read the finished file back and something was still readable under one of the black areas, so we did not hand it over. Try marking a slightly larger area, or tell us about this document.","That file is too big","{name} is over the {max} limit for a single file.","Some files were not imported","They would have taken the total over the {max} limit.","Up to {file} per file, {job} in total.","We cannot convert this file","The format is not one we can turn into a PDF. Please try a Word, Excel or PowerPoint document.","Your files are too large","Please try again with smaller documents.","Too many files at once","Please convert them in smaller batches.","Conversions are paused for today","We have reached the daily limit for this free service. Please come back tomorrow.","Too many attempts","Please wait a minute before converting again.","We could not verify your browser","A privacy extension or an ad blocker may be blocking the check. Please retry, or disable it for this page.","The conversion service is unavailable","This is on our side, not yours. Please try again in a few minutes.","We could not reach our servers","Please check your connection and try again.","Select the file again","Retry","Download all (.zip)","Download file","Finish","Download","More actions","Continue editing","Back to edition","Edit another file","Restart","Give us your feedback","Continue editing with another tool","Rename file","Print file","Archive failed","We could not build the archive. Please download the files one by one.","Download failed","This link may have expired. Please convert the file again.","Print failed","None","Custom","Convert","Rate this tool","Input file","Input files","Zoom in","Zoom out","Reset","Reset the document to its initial state","Reset your changes?","All the changes you have made in this tool will be lost.","Move page to the left","Move page to the right","Select pages","Add pages {from}...{to}","Add page {n}","From","To","Did you enjoy our \"{tool}\" tool?","Thanks! Want to tell us more?","Thank you!","No","So-so","Yes!","Send","We have received your message. Thank you for your valuable help.","You have already rated this tool. Thanks again for your help!","Your rating was saved, but it is too late to add a message.","We could not save your message. Please try again.",{"scanning":266,"scanFailed":267,"noneFound":268,"title":269,"selectedCount":270,"someFailed":271,"selectAll":272,"selectNone":273},"Looking for images…","This document could not be scanned for images.","No images found in this document.","Image extraction","Selected images: {selected} of {total}","1 image could not be extracted | {count} images could not be extracted","Select all","Clear selection",1789625149959]