[{"data":1,"prerenderedAt":423},["ShallowReactive",2],{"blog-search-index":3,"article-set-id-photo-custom-pixel-dimensions":190,"article-navigation-set-id-photo-custom-pixel-dimensions":420},[4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,55,58,61,64,67,70,73,76,79,82,85,88,91,94,97,100,103,106,109,112,115,118,121,124,127,130,133,136,139,142,145,148,151,154,157,160,163,166,169,172,175,178,181,184,187],{"path":5,"title":6},"\u002Fblog\u002Fadd-text-watermark-to-transparent-png","透明PNG怎么加文字水印并保留透明背景？导出格式与检查方法",{"path":8,"title":9},"\u002Fblog\u002Fset-id-photo-custom-pixel-dimensions","证件照怎么改成指定像素？自定义宽高、换红底并保存JPG",{"path":11,"title":12},"\u002Fblog\u002Fmerge-mixed-size-pdfs-into-uniform-a4","不同大小的PDF怎么统一成A4？合并后每个原页面单独占一页",{"path":14,"title":15},"\u002Fblog\u002Fsplit-pdf-by-custom-page-ranges","PDF怎么按指定页码拆分？把不同页面范围分别保存",{"path":17,"title":18},"\u002Fblog\u002Fadd-png-watermark-to-every-pdf-page","PDF每页怎么加PNG图片水印？透明背景、缩放和角落位置设置",{"path":20,"title":21},"\u002Fblog\u002Fsave-embedded-images-from-pdf","PDF里的图片怎么单独保存？提取配图、核对编号与下载结果",{"path":23,"title":24},"\u002Fblog\u002Fput-four-images-on-one-pdf-page","四张图片怎么合成一页PDF？A4四宫格顺序与留白说明",{"path":26,"title":27},"\u002Fblog\u002Fremove-white-borders-from-photo-collage","拼图白边怎么去掉？分清外边框、图片间距和原图留白",{"path":29,"title":30},"\u002Fblog\u002Fsort-images-by-filename-before-pdf","图片转PDF怎么按文件名排序？1、2、10编号与手动调序",{"path":32,"title":33},"\u002Fblog\u002Fsplit-transparent-png-preserve-background","透明PNG图片怎么分割？保留透明背景与检查切片的方法",{"path":35,"title":36},"\u002Fblog\u002Funify-mixed-size-pdf-page-width","PDF页面大小不一致怎么统一宽度？参考页、A4页宽与下载检查",{"path":38,"title":39},"\u002Fblog\u002Fcombine-four-photos-into-one-image","四张照片怎么拼成一张图？在线四宫格拼图与保存方法",{"path":41,"title":42},"\u002Fblog\u002Freduce-pdf-long-image-file-size","PDF转长图文件太大怎么办？按上传限制调整JPG画质和宽度",{"path":44,"title":45},"\u002Fblog\u002Fexport-one-pdf-page-as-jpg-or-png","PDF怎么只导出某一页为图片？保存指定页为JPG或PNG的方法",{"path":47,"title":48},"\u002Fblog\u002Fremove-pdf-image-watermark-without-deleting-content","PDF去水印怎么避免误删正文？先检查图片，再确认“智能选择”",{"path":50,"title":51},"\u002Fblog\u002Finsert-blank-page-into-existing-pdf","PDF中间怎么插入空白页？选好位置和纸张，再检查导出页数",{"path":53,"title":54},"\u002Fblog\u002Fput-two-photos-on-one-a4-pdf-page","两张横向照片怎么放进一页A4 PDF？上下排版和奇数张检查",{"path":56,"title":57},"\u002Fblog\u002Fbatch-merge-invoice-pdfs-for-archive-and-print","批量合并电子发票PDF：保留原页归档，还是拼成A4打印？",{"path":59,"title":60},"\u002Fblog\u002Fchange-id-photo-to-white-background-one-inch","证件照怎么换白底并改成一寸？先选尺寸，再调整人像位置",{"path":62,"title":63},"\u002Fblog\u002Freverse-scanned-pdf-page-order","扫描件PDF倒序怎么改成正序？按页码排序前先分清两种编号",{"path":65,"title":66},"\u002Fblog\u002Frotate-one-pdf-page-and-save","PDF怎么只旋转其中一页并保存？其他页面不变的操作方法",{"path":68,"title":69},"\u002Fblog\u002Fbatch-add-transparent-png-watermark-to-photos","照片怎么批量加透明PNG水印？图片水印的大小、位置和白底问题",{"path":71,"title":72},"\u002Fblog\u002Fpdf-to-long-image-width-and-clarity","PDF转长图怎么设置宽度和清晰度？横竖混排页面合成1000像素长图",{"path":74,"title":75},"\u002Fblog\u002Fbatch-resize-images-to-same-width","多张图片怎么统一宽度不变形？批量设为800像素并检查下载结果",{"path":77,"title":78},"\u002Fblog\u002Fsplit-photo-into-nine-square-tiles","一张图片怎么分割成九宫格？切成9张正方形与排列顺序说明",{"path":80,"title":81},"\u002Fblog\u002Fchange-pdf-title-author-and-check-metadata","PDF标题和作者怎么改？修改元数据后这样检查下载文件",{"path":83,"title":84},"\u002Fblog\u002Fprint-two-pdf-invoices-on-one-a4","两张电子发票怎么合并到一页A4打印？2行1列设置与成品检查",{"path":86,"title":87},"\u002Fblog\u002Fadd-repeating-text-watermark-to-pdf","PDF怎么加满屏文字水印？平铺、透明度和间距设置方法",{"path":89,"title":90},"\u002Fblog\u002Fbatch-add-tiled-text-watermark-to-images","多张图片怎么批量加平铺水印？半透明文字水印设置方法",{"path":92,"title":93},"\u002Fblog\u002Fimage-compression-strength-vs-resize","图片压缩强度和缩放比例怎么选？先看体积与像素再下载",{"path":95,"title":96},"\u002Fblog\u002Fsplit-long-image-into-equal-parts","长图怎么切成多张图片？按行等分并打包下载的方法",{"path":98,"title":99},"\u002Fblog\u002Fcombine-landscape-and-portrait-photos","横图竖图怎么拼成一张图？用宫格模板统一排版的方法",{"path":101,"title":102},"\u002Fblog\u002Fcombine-mixed-size-images-into-long-image","横图竖图尺寸不一样怎么拼成长图？统一宽度、排序和留白方法",{"path":104,"title":105},"\u002Fblog\u002Fmerge-pdf-files-in-filename-order","多个PDF怎么按文件名顺序合并？01、02、03排序后再导出",{"path":107,"title":108},"\u002Fblog\u002Fmerge-pdf-pages-onto-one-a4","PDF多页怎么合并到一张A4？电子发票2×2拼版与打印检查",{"path":110,"title":111},"\u002Fblog\u002Fsplit-pdf-every-few-pages","PDF怎么按固定页数拆分？每3页拆成一个文件的方法",{"path":113,"title":114},"\u002Fblog\u002Fimage-to-pdf-uniform-a4-pages","图片转PDF每页大小不一样？横竖图片统一排成A4的方法",{"path":116,"title":117},"\u002Fblog\u002Freorder-rotate-delete-pdf-pages-in-one-editor","PDF页码顺序乱了怎么办？在线排序、旋转、复制和删除PDF页面",{"path":119,"title":120},"\u002Fblog\u002Fcombine-multiple-images-into-one-pdf","多张图片怎么合并成一个PDF？按顺序排版JPG、PNG的在线方法",{"path":122,"title":123},"\u002Fblog\u002Fedit-pdf-online-without-uploading","不用上传文件的在线PDF编辑器，怎样给PDF添加文字、图片和签名？",{"path":125,"title":126},"\u002Fblog\u002Fannotate-and-sign-pdf-online","怎么给PDF添加电子签名、箭头和文字批注？在线审阅PDF的实用方法",{"path":128,"title":129},"\u002Fblog\u002Fadd-new-tool-pdf-remove-watermark","图文工具箱网站新增【PDF去水印】功能",{"path":131,"title":132},"\u002Fblog\u002Fadd-new-tool-pdf-extract-image","图文工具箱网站新增【PDF提取图片】功能",{"path":134,"title":135},"\u002Fblog\u002Fadd-new-tool-pdf-to-long-image","图文工具箱网站新增【PDF转长图】功能",{"path":137,"title":138},"\u002Fblog\u002Fadd-new-tool-pdf-resize","图文工具箱网站新增【PDF页面调整】功能",{"path":140,"title":141},"\u002Fblog\u002Fhow-to-modify-pdf-metadata","在线PDF元数据修改工具，支持修改PDF文件的标题、作者、修改时间、创建时间等元数据信息。",{"path":143,"title":144},"\u002Fblog\u002Fadd-watermark-to-pdf","在线PDF加水印工具，支持PDF文字水印和PDF图片水印，支持水印平铺效果",{"path":146,"title":147},"\u002Fblog\u002Fhow-to-add-pdf-page-numer","在线PDF加页码工具，一键给PDF文件添加页码，支持多种页码位置和页码样式",{"path":149,"title":150},"\u002Fblog\u002Fsort-pdf-by-pagenumber","在线PDF排序工具优化升级啦，新增一键按页码排序和人工快速排序模式",{"path":152,"title":153},"\u002Fblog\u002Fadd-watermark-to-images-in-bulk","在线图片加水印工具，支持文字水印和图片水印，支持指定位置或平铺效果",{"path":155,"title":156},"\u002Fblog\u002Fsplit-images-in-bulk","免费图片分割工具，可自定义行和列，轻松实现九宫格切图和个性化切图需求",{"path":158,"title":159},"\u002Fblog\u002Fcombine-images-with-grid","功能强大的网格拼图在线工具",{"path":161,"title":162},"\u002Fblog\u002Ffree-online-image-editor","一款功能强大的免费在线图片编辑工具",{"path":164,"title":165},"\u002Fblog\u002Fcombine-images-into-long-image-by-miniprogram","拼长图怎么拼？这个免费拼长图小程序，可一键实现图片垂直拼接和台词拼接",{"path":167,"title":168},"\u002Fblog\u002Fcombine-images-subtitle-into-one-image","如何拼接电影字幕？这款拼字幕工具，可将多张电影截图按照字幕台词顺序拼成一张图",{"path":170,"title":171},"\u002Fblog\u002Fcombine-images-into-long-image","拼长图工具，将多张图片垂直拼成一张长图，可设置边框大小和图片间距",{"path":173,"title":174},"\u002Fblog\u002Fhow-to-compress-pdf-online","PDF文件怎么压缩大小？这个在线工具特别简单，可一键搞定PDF文件压缩",{"path":176,"title":177},"\u002Fblog\u002Fhow-to-compress-image-in-bulk","图片怎么批量压缩大小？这个图片压缩方法，高清不模糊，能减少一半的文件大小，简单实用！",{"path":179,"title":180},"\u002Fblog\u002Fhow-to-sort-pdf-pages","PDF页面排序一个工具轻松搞定，还支持PDF页面旋转、PDF页面删除、页面插入！",{"path":182,"title":183},"\u002Fblog\u002Fhow-to-split-pdf-online","如何把PDF拆分？这个简单方法一学就会，可在线将PDF分割成多个文件",{"path":185,"title":186},"\u002Fblog\u002Ffree-pdf-merge-tool","免费PDF合并工具",{"path":188,"title":189},"\u002Fblog\u002Fgradient-blue-background-idphoto-make","蓝底渐变色证件照制作",{"id":191,"title":9,"body":192,"category":411,"description":412,"extension":413,"meta":414,"navigation":415,"path":8,"published":416,"seo":417,"stem":418,"__hash__":419},"content\u002Fblog\u002Fset-id-photo-custom-pixel-dimensions.md",{"type":193,"value":194,"toc":403},"minimark",[195,199,213,218,221,273,276,279,282,306,317,324,327,330,334,341,348,357,360,363,367,370,373,400],[196,197,198],"p",{},"收集照片的页面写着“宽 358 像素、高 441 像素”，手里的照片却是另一种比例。这时只选“一寸”或“二寸”，未必能得到要求的宽高；把扩展名改成 JPG，也不会改变像素尺寸。",[196,200,201,202,207,208,212],{},"图文工具箱的",[203,204,206],"a",{"href":205},"https:\u002F\u002Fimgtool.net\u002Fidphoto\u002F","证件照换底色工具","提供“自定义尺寸”，可以填写输出宽高，同时更换背景色。下面以 ",[209,210,211],"strong",{},"358×441 px、红底、JPG"," 为操作示例。这组数字只用于演示，不代表某项考试或证件的统一要求；实际使用时，请填接收方明确写出的数值。",[214,215,217],"h2",{"id":216},"先分清像素底色和文件大小","先分清像素、底色和文件大小",[196,219,220],{},"提交要求里常见的几项条件，需要分别核对：",[222,223,224,237],"table",{},[225,226,227],"thead",{},[228,229,230,234],"tr",{},[231,232,233],"th",{},"要求写法",[231,235,236],{},"在这个页面怎样处理",[238,239,240,249,257,265],"tbody",{},[228,241,242,246],{},[243,244,245],"td",{},"宽358像素、高441像素",[243,247,248],{},"选择“自定义尺寸”，分别填写宽度和高度",[228,250,251,254],{},[243,252,253],{},"红色背景",[243,255,256],{},"点击“背景色”一行里的红底色块",[228,258,259,262],{},[243,260,261],{},"JPG格式",[243,263,264],{},"当前保存功能导出JPG",[228,266,267,270],{},[243,268,269],{},"文件不超过某个KB数",[243,271,272],{},"本页没有目标KB或画质设置，下载后另行检查",[196,274,275],{},"工具的一寸预设为 295×413 px，二寸预设为 413×579 px。要求中有明确像素时，按数字选择，别把相近的预设当成同一个尺寸。“358×441 px”表示宽高，不表示文件体积，也不能单独说明打印出来是多少厘米。",[214,277,278],{"id":278},"证件照自定义像素尺寸在哪里设置",[196,280,281],{},"刚打开页面时，尺寸设置尚未显示。先点击“添加图片”，选择一张照片，等待人像抠图完成，再进行下面的操作。",[283,284,285,289,300,303],"ol",{},[286,287,288],"li",{},"打开“尺寸”下拉框，选择“自定义尺寸”。",[286,290,291,292,295,296,299],{},"在“宽度”中填入 ",[209,293,294],{},"358","，在“高度”中填入 ",[209,297,298],{},"441","。输入后点击空白处，让数值和预览更新。",[286,301,302],{},"点击“背景色”一行中“红底”上方的红色色块。",[286,304,305],{},"再核对一次宽高，避免把两个数字填反。固定尺寸预设下输入框不可编辑，需要先切换到自定义。",[196,307,311,312],{"className":308},[309,310],"flex","justify-center","\n  ",[313,314],"img",{"src":315,"alt":316},"\u002Fimage\u002F2026\u002Fidphoto-custom-358x441-settings.webp","证件照换底色工具选择自定义尺寸，宽度358像素、高度441像素，背景色提供红底等选项",[196,318,319,320,323],{},"当前自定义宽度、高度各允许填写 ",[209,321,322],{},"100～2000 px","。页面也有“原图尺寸”，但要输出指定的 358×441 像素，应使用“自定义尺寸”，不能用“原图尺寸”代替。",[196,325,326],{},"一次只处理一张照片，选择入口接受 JPG、JPEG、PNG、BMP；前端会拦截达到或超过 4 MB 的文件。若收到“最短边至少50px，最长边最大4096px”的提示，应先调整输入图片。这里的上传限制与自定义输出范围是两回事。",[196,328,329],{},"人像抠图需要把照片上传到服务器，随后在浏览器中合成背景和人像。因此，这个操作并非全程本地处理，不能将它作为照片不出设备的方案。",[214,331,333],{"id":332},"宽高改好后再调整人物位置","宽高改好后，再调整人物位置",[196,335,336,337,340],{},"自定义宽高改变的是成品画布。工具会按照新画布重新适配人像，原来合适的头顶留白和肩部位置可能随之变化。",[209,338,339],{},"先定尺寸，再调整构图","，可以少做一次重复操作。",[196,342,343,344,347],{},"在电脑上，鼠标左键按住人像可以拖动；把指针放在人像上，滚动滚轮可以放大或缩小。下面是通过工具处理后实际下载的红底 JPG，尺寸为 ",[209,345,346],{},"358×441 px","。示例使用项目已有的 AI 生成演示人像，不是真人证件材料。",[196,349,311,351],{"className":350},[309,310],[313,352],{"src":353,"width":354,"height":355,"alt":356},"\u002Fimage\u002F2026\u002Fidphoto-custom-red-result.jpg",358,441,"证件照工具实际下载的红底JPG成品，358×441像素，使用AI生成的非敏感演示人像",[196,358,359],{},"宽高填对后，还应看看头顶是否被裁掉、脸部是否居中、肩部是否自然，以及衣服底部有没有离开画布，露出额外的红色横条。网页预览会缩放显示，不要用屏幕上看到的大小判断导出像素。",[196,361,362],{},"换成红底后，发丝和耳侧的原底色残留也可能更明显。反复点击同一个颜色不会修复抠图边缘；本页没有手动涂抹修边入口。若边缘缺损或残色明显，应换一张轮廓更清楚的原照，或另用能细修边缘的工具。",[214,364,366],{"id":365},"保存jpg后核对下载文件","保存JPG后，核对下载文件",[196,368,369],{},"确认预览后，点击上方“保存图片”。若出现验证提示，按提示完成后再次点击保存；文件位置以浏览器下载设置为准。当前导出格式是 JPG，上传 PNG 不会让成品自动保留 PNG 格式或透明背景。",[196,371,372],{},"下载后打开新文件，依次检查：",[374,375,376,382,388,394],"ul",{},[286,377,378,381],{},[209,379,380],{},"像素宽高","：本例应为宽358、高441，不要把网页预览尺寸当作成品尺寸。",[286,383,384,387],{},[209,385,386],{},"格式和体积","：确认是能正常打开的JPG，再看是否满足接收方的KB上限。像素相同的照片，文件体积也可能不同。",[286,389,390,393],{},[209,391,392],{},"背景与边缘","：核对红底是否符合用途，再放大看发丝、耳侧和衣领。",[286,395,396,399],{},[209,397,398],{},"提交对象","：确认选中的是刚保存的文件，避免上传下载文件夹里同名相近的旧照片。",[196,401,402],{},"本页可以完成指定像素和换底色的整理，但不会自动检查某项业务要求的头部比例、姿态或审核规则，也没有按目标 KB 输出、设置打印 DPI 和整版冲印排版的入口。提交前仍要对照接收方的照片说明逐项核对。",{"title":404,"searchDepth":405,"depth":405,"links":406},"",2,[407,408,409,410],{"id":216,"depth":405,"text":217},{"id":278,"depth":405,"text":278},{"id":332,"depth":405,"text":333},{"id":365,"depth":405,"text":366},"idphoto","照片要求写着358×441像素，一寸预设却对不上？本文用证件照换底色工具演示自定义宽高、换红底和保存JPG，说明尺寸设置顺序、人物构图与文件KB大小的区别，以及下载后要核对的项目。","md",{},true,"2026-10-16",{"title":9,"description":412},"blog\u002Fset-id-photo-custom-pixel-dimensions","KLzwY6OsV2NtLXqoARGBlqlyMDkxDieAMXEYmgJrYno",{"previous":421,"next":422},{"path":5,"title":6,"published":416},null,1792134126227]