[{"data":1,"prerenderedAt":440},["ShallowReactive",2],{"blog-image-to-pdf-converter-guide-zh":3},{"id":4,"title":5,"author":6,"body":7,"date":407,"description":408,"extension":409,"faq":410,"meta":426,"navigation":427,"path":428,"seo":429,"stem":430,"tags":431,"__hash__":439},"blog_zh\u002Fimage-to-pdf-converter-guide.md","多张图片合并成一个PDF：在线免费图片转PDF工具指南（不上传，保护隐私）","Pixel Pocket",{"type":8,"value":9,"toc":380},"minimark",[10,14,17,20,25,28,51,54,65,68,72,81,88,91,95,98,106,109,115,118,132,136,139,202,205,211,231,234,242,246,249,252,256,264,270,273,276,281,288,292,295,299,302,306,309,312,316,319,323,326,330,333,337,340,344,347,351,354,357,363,366],[11,12,13],"p",{},"手机拍了十几张合同页，对方只收 PDF。你做 PPT 攒了一堆素材想发给同事，每张单独发太乱，合在一起又不想用那些要上传的在线工具。可能你跟我一样，每次看到\"上传文件\"心里就会咯噔一下——这些图片离开我的电脑之后会被存到哪里？",[11,15,16],{},"这个场景太常见了。把散图合并成一个 PDF — 工作里几乎躲不掉的需求。市面上大部分号称\"免费\"的在线 PDF 工具，上传之后要么限制页数，要么下载时弹出付费墙。更关键的是，你的文件已经传到了别人的服务器上。",[11,18,19],{},"Pixel Pocket 的图片转 PDF 功能就是奔着这个痛点做的。所有操作在浏览器本地完成，从拖进来到下载完成，你的文件不会离开你的电脑。",[21,22,24],"h2",{"id":23},"为什么需要把图片转成-pdf","为什么需要把图片转成 PDF",[11,26,27],{},"把几张散图合成一个 PDF，不只是\"省事\"那么简单。",[29,30,31,39,45],"ul",{},[32,33,34,38],"li",{},[35,36,37],"strong",{},"保持画质"," — PDF 是固定版式文档，无论在哪个设备上打开，排版和画质都不会变化。图片直接插进 Word 或 PPT，换台电脑就可能变形。",[32,40,41,44],{},[35,42,43],{},"方便打印"," — 一个 PDF 文件可以一次性输出所有页面，不用逐张打开图片再打印。",[32,46,47,50],{},[35,48,49],{},"便于归档"," — 一个文件代替一堆散图，合同、票据、笔记扫描件都适合这样整理。",[21,52,53],{"id":53},"准备工作",[29,55,56,59,62],{},[32,57,58],{},"你要合并的 JPG 或 PNG 图片，数量不限",[32,60,61],{},"一个现代浏览器（Chrome、Edge、Firefox、Safari 都行）",[32,63,64],{},"大约 20 秒",[11,66,67],{},"不需要下载任何软件，不需要注册，不需要付费。",[21,69,71],{"id":70},"第一步打开图片转-pdf-工具","第一步：打开图片转 PDF 工具",[11,73,74,75,80],{},"访问 ",[76,77,79],"a",{"href":78},"\u002Fzh\u002Ftools\u002Fpdf-converter","PDF转换器页面","，默认是「PDF 转图片」模式。点击顶部的切换按钮，切换到「图片转 PDF」。",[11,82,83],{},[84,85],"img",{"alt":86,"src":87},"图片转PDF工具界面","\u002Fimages\u002Fblog\u002Fimage-to-pdf-converter-guide\u002Ftool-interface.png",[11,89,90],{},"工具分为左右两栏：左侧是上传区和设置面板，右侧是图片列表和下载区。界面很干净，没有广告，没有诱导点击。",[21,92,94],{"id":93},"第二步上传图片","第二步：上传图片",[11,96,97],{},"点击上传区域或直接把图片拖进去。目前支持两种格式：",[29,99,100,103],{},[32,101,102],{},"JPEG \u002F JPG",[32,104,105],{},"PNG",[11,107,108],{},"支持批量上传，一次拖入几十张图片都没问题。图片会按上传顺序排列，预览图会清晰显示在右侧网格中。",[11,110,111],{},[84,112],{"alt":113,"src":114},"上传图片后的列表","\u002Fimages\u002Fblog\u002Fimage-to-pdf-converter-guide\u002Fimages-uploaded.png",[11,116,117],{},"如果你需要调整顺序，可以移除某张图片重新上传——当前版本按上传顺序排列，所以可以规划好顺序后再转换。",[119,120,121],"blockquote",{},[11,122,123,126,127,131],{},[35,124,125],{},"注意："," 如果需要转换其他格式（如 WebP、BMP、AVIF），可以先去",[76,128,130],{"href":129},"\u002Fzh\u002Ftools\u002Fimage-converter","图片格式转换工具","转成 JPG 或 PNG 后再来。",[21,133,135],{"id":134},"第三步设置页面大小","第三步：设置页面大小",[11,137,138],{},"上传完图片后，在左侧面板选择 PDF 页面的大小。有三种选项：",[140,141,142,158],"table",{},[143,144,145],"thead",{},[146,147,148,152,155],"tr",{},[149,150,151],"th",{},"页面大小",[149,153,154],{},"效果",[149,156,157],{},"适合场景",[159,160,161,176,189],"tbody",{},[146,162,163,170,173],{},[164,165,166,169],"td",{},[35,167,168],{},"适应图片","（默认）",[164,171,172],{},"每页的大小等于图片本身尺寸",[164,174,175],{},"保持原始比例，适合展示类作品集",[146,177,178,183,186],{},[164,179,180],{},[35,181,182],{},"A4",[164,184,185],{},"所有图片嵌入 A4 标准页面",[164,187,188],{},"打印、正式提交、存档",[146,190,191,196,199],{},[164,192,193],{},[35,194,195],{},"信函 (Letter)",[164,197,198],{},"所有图片嵌入 Letter 标准页面",[164,200,201],{},"北美地区常用的文档规格",[11,203,204],{},"选择了 A4 或 Letter 之后，还可以进一步设置页面方向：",[11,206,207],{},[84,208],{"alt":209,"src":210},"页面大小和方向设置","\u002Fimages\u002Fblog\u002Fimage-to-pdf-converter-guide\u002Fpage-size-settings.png",[29,212,213,219,225],{},[32,214,215,218],{},[35,216,217],{},"自动判断"," — 根据图片宽高比自动选择纵向或横向（推荐）",[32,220,221,224],{},[35,222,223],{},"纵向"," — 所有页面统一纵向，适合文档类",[32,226,227,230],{},[35,228,229],{},"横向"," — 所有页面统一横向，适合宽屏展示",[11,232,233],{},"不管选哪种尺寸，图片都会在页面上自动居中并等比缩放，不会被裁剪或者拉伸变形。",[119,235,236],{},[11,237,238,241],{},[35,239,240],{},"提示："," 如果图片比例和页面尺寸差别较大（比如横图放进纵向 A4），图片两侧会出现大片空白区域。此时选择「适应图片」模式可以让每页匹配图片自身的比例。",[21,243,245],{"id":244},"第四步开始转换","第四步：开始转换",[11,247,248],{},"点击「转换」按钮开始处理。进度条会显示每张图片的处理状态。",[11,250,251],{},"所有合并在浏览器本地完成，完全不经过任何服务器。",[21,253,255],{"id":254},"第五步下载-pdf","第五步：下载 PDF",[11,257,258,259,263],{},"转换完成后，点击「下载 PDF」按钮，浏览器会立即保存生成的文件。文件名默认是 ",[260,261,262],"code",{},"images-to-pdf.pdf","，你可以按自己的需要重命名。",[11,265,266],{},[84,267],{"alt":268,"src":269},"转换完成后的下载按钮","\u002Fimages\u002Fblog\u002Fimage-to-pdf-converter-guide\u002Fpdf-ready-download.png",[11,271,272],{},"整个流程从上传到下载，通常只需要几秒钟。",[21,274,275],{"id":275},"实用技巧",[277,278,280],"h3",{"id":279},"_1-正式场景选-a4","1. 正式场景选 A4",[11,282,283,284,287],{},"如果这个 PDF 是用于正式提交——比如申请材料、合同归档、打印输出——",[35,285,286],{},"建议选择 A4 或 Letter 标准尺寸","。适应图片模式下，PDF 页面大小不统一，某些阅读器或打印机可能会出现适配问题。",[277,289,291],{"id":290},"_2-图片格式优选-jpg","2. 图片格式优选 JPG",[11,293,294],{},"对于照片类素材，JPG 格式足够好且文件体积小。对于截图、图表或者需要透明底的素材，用 PNG。如果原始图片是其他格式，先用格式转换工具处理。",[277,296,298],{"id":297},"_3-顺序即最终顺序","3. 顺序即最终顺序",[11,300,301],{},"PDF 中的页面顺序就是图片上传时的顺序。建议在拖入前按文件名或编号排好序，或者分批上传确认顺序。如果顺序错了，移除图片重新上传即可。",[277,303,305],{"id":304},"_4-图片可以跨设备","4. 图片可以跨设备",[11,307,308],{},"因为所有处理在浏览器本地完成，你可以在一台电脑上上传处理，生成的 PDF 下载后直接使用。不需要担心数据留存在哪台机器上。",[21,310,311],{"id":311},"常见问题",[277,313,315],{"id":314},"图片转pdf会损失画质吗","图片转PDF会损失画质吗？",[11,317,318],{},"不会。所有处理在浏览器本地完成，不会对图片进行额外压缩或重编码。输出的 PDF 中图片保留了原始画质。",[277,320,322],{"id":321},"支持哪些图片格式","支持哪些图片格式？",[11,324,325],{},"目前支持 JPG 和 PNG 格式。如果你有 WebP、BMP、AVIF 等其他格式的图片，可以使用站内的图片格式转换工具先转成 JPG 或 PNG。",[277,327,329],{"id":328},"最多可以合并多少张图片","最多可以合并多少张图片？",[11,331,332],{},"没有数量限制。你可以一次拖入几张，也可以一次拖入上百张。图片越多处理时间会相应增加，但工具本身不会限制。",[277,334,336],{"id":335},"图片转pdf安全吗文件会被上传吗","图片转PDF安全吗？文件会被上传吗？",[11,338,339],{},"安全。所有处理都在你的浏览器本地完成，图片和生成的 PDF 不会上传到任何服务器。关掉页面后，所有数据自动清除。",[277,341,343],{"id":342},"转换后的pdf文件太大怎么办","转换后的PDF文件太大怎么办？",[11,345,346],{},"如果输出的 PDF 文件偏大，可以先用图片压缩工具压缩图片再转 PDF，或者在页面大小中选择「适应图片」模式，避免高清大图被嵌入标准尺寸页面。",[277,348,350],{"id":349},"图片顺序怎么调整","图片顺序怎么调整？",[11,352,353],{},"目前图片按上传顺序排列。如果需要调整顺序，移除图片后按正确的顺序重新上传即可。",[21,355,356],{"id":356},"现在试试",[11,358,359,362],{},[76,360,361],{"href":78},"图片转 PDF 工具","完全免费，不用注册，文件从始至终留在你的电脑上。",[11,364,365],{},"也推荐你看看：",[29,367,368,374],{},[32,369,370,373],{},[76,371,372],{"href":78},"PDF 转图片"," — 反过来，从 PDF 中提取每一页为独立图片",[32,375,376,379],{},[76,377,378],{"href":129},"图片格式转换"," — JPEG、PNG、WebP、AVIF、BMP 互转",{"title":381,"searchDepth":382,"depth":382,"links":383},"",2,[384,385,386,387,388,389,390,391,398,406],{"id":23,"depth":382,"text":24},{"id":53,"depth":382,"text":53},{"id":70,"depth":382,"text":71},{"id":93,"depth":382,"text":94},{"id":134,"depth":382,"text":135},{"id":244,"depth":382,"text":245},{"id":254,"depth":382,"text":255},{"id":275,"depth":382,"text":275,"children":392},[393,395,396,397],{"id":279,"depth":394,"text":280},3,{"id":290,"depth":394,"text":291},{"id":297,"depth":394,"text":298},{"id":304,"depth":394,"text":305},{"id":311,"depth":382,"text":311,"children":399},[400,401,402,403,404,405],{"id":314,"depth":394,"text":315},{"id":321,"depth":394,"text":322},{"id":328,"depth":394,"text":329},{"id":335,"depth":394,"text":336},{"id":342,"depth":394,"text":343},{"id":349,"depth":394,"text":350},{"id":356,"depth":382,"text":356},"2026-06-04","免费的在线图片转PDF工具，支持 JPG 和 PNG 图片合并为一个 PDF 文件。可选 A4\u002F信函\u002F适应图片三种页面大小，支持自动判断或手动设置页面方向。所有处理在浏览器本地完成，不上传服务器，保护隐私安全。","md",[411,413,415,417,420,422,424],{"q":315,"a":412},"不会。所有处理在浏览器本地完成，不会对图片进行额外压缩或重编码，输出的PDF保留了原始画质。",{"q":322,"a":414},"目前支持 JPG 和 PNG 格式。其他格式（如 WebP、BMP、AVIF）可先用站内的图片格式转换工具处理。",{"q":329,"a":416},"没有数量限制，一次拖入几张或上百张都可以，处理时间会随数量增加而延长。",{"q":418,"a":419},"可以在手机上使用吗？","可以。手机浏览器打开即可使用，上传、设置、下载流程与电脑一致。",{"q":336,"a":421},"安全。所有处理在浏览器本地完成，图片和生成的PDF不会上传到任何服务器。",{"q":343,"a":423},"可先用图片压缩工具压缩图片再转PDF，或选择适配图片页面大小避免嵌入大尺寸页面。",{"q":350,"a":425},"目前图片按上传顺序排列。如需调整顺序，可移除图片后按正确顺序重新上传。",{},true,"\u002Fimage-to-pdf-converter-guide",{"title":5,"description":408},"image-to-pdf-converter-guide",[432,433,434,435,436,437,438],"图片转PDF","JPG转PDF","PNG转PDF","图片合并PDF","在线工具","免费","隐私保护","WGTx6G6IbrUoUN_4vE9mpvqISairQPV0QUR-E0p3-2s",1780569521992]