[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"page:\u002Fimage-stitch":3},{"id":4,"slug":5,"kind":6,"componentKey":7,"title":8,"keywords":9,"description":10,"robots":11,"cateId":12,"orderIdx":13,"logo":14,"updatedTime":15,"guide":16,"faq":17,"status":18,"tool":19,"related":26,"platform":51,"shortDesc":51,"longDesc":51,"images":52,"downloadUrl":51,"samePlatform":51,"onlineAlternatives":51,"shareRecommend":53},60,"\u002Fimage-stitch","tool","ImageStitch\u002FImageStitch","在线图片拼接长图合成工具","图片拼接,图片拼接在线,图片拼接工具,图片拼成长图,长图拼接,截图拼接,多图拼接,九宫格拼图,图片合成一张,手机截图长图","把多张截图或照片按顺序拼成一张长图，支持竖排、横排与宫格，水平垂直间距与背景色分开调，成品可调质输出 PNG、JPG 或 WebP，浏览器本地合成不上传，分享聊天截图、对比图和长幅作品都省事。","index,follow",5,0,"\u002Ftool-icons\u002Fimage-stitch.svg","2026-10-18 20:47:29","图片拼接把多张图按顺序合成一张：竖排把截图排成长图，横排把图片并列成对比图，宫格把多张图排成整齐方阵，间距、背景色与先后顺序都能调，最后一次性输出成单张图片，全程在浏览器本地绘制，不上传。\r\n怎么用：① 拖入两到十张图片；② 用左右按钮调整顺序（拼接严格按列表从左到右执行），选竖排、横排或宫格（可设每行列数与格子填充），分别设水平与垂直间距、背景色；③ 点生成拼接图，在预览里确认成品尺寸与体积（点预览图可放大细看），下载 PNG、JPG 或 WebP。\r\n参数与边界：竖排时所有图按较窄的一张对齐缩放，横排按较矮的一张对齐，宫格按最窄与最矮的一张定统一格子、默认每张拉伸填满不裁剪（比例差异大的图会被拉变形，可改选等比留白保持比例、空处露背景色），比基准小的图放大后略糊，尺寸差异悬殊的图建议先裁到接近；水平与垂直间距分开设置，竖排横排默认不留缝，切到宫格自动各留 12 像素；一次最多十张、单张不超过五十兆；成品受浏览器画布上限约束（单边约三万两千像素、总面积约一亿五千万像素），超限会提示失败而不是输出半张；输出 JPG 时透明背景自动铺白底，需要透明请用 PNG 或 WebP；JPG 与 WebP 可拖质量滑杆压体积，WebP 同画质更小，长图发网页推荐它；gif 动图取第一帧参与拼接。\r\n典型场景：把聊天记录的多张截图拼成一张发群里、做方案前后对比的并列图、分屏截图合成完整页面、多张作品图拼成长图、活动照片横向连排、九张作品图排成宫格发朋友圈。\r\n注意事项：合成完全在浏览器本地完成，图片不会上传服务器，也不保存任何历史；成品是静态位图，事后改顺序或间距需要重新生成；把纯文字排成长图请用文本转图片页。","[{\"question\":\"能拼几张、有什么限制？\",\"answer\":\"一次两到十张，单张不超过五十兆；拼接结果受浏览器画布上限约束，超出会直接提示失败，可减少张数、缩小图片后再拼。\"},{\"question\":\"三步怎么用？\",\"answer\":\"第一步拖入多张图片；第二步排好顺序，选竖排、横排或宫格并调好间距与背景；第三步点生成拼接图，放大检查成品后按需下载或调质量重新生成。\"},{\"question\":\"图片会上传到服务器吗？\",\"answer\":\"不会。读取、缩放、合成与导出都在浏览器本地完成，页面不发任何上传请求，刷新即清空。\"},{\"question\":\"宫格模式怎么排列？\",\"answer\":\"选宫格后每张图放进大小一致的格子里，行优先从左到右排列：默认按张数取接近正方形的列数，也可手动指定 2 到 5 列。格子的宽高按最窄与最矮的一张定，默认每张拉伸填满格子、不裁掉任何内容，代价是比例差异大的图会被拉变形；改选等比留白可保持比例居中，空处为背景色。间距分水平与垂直两栏，竖排横排默认无缝，切到宫格自动各留 12 像素。\"},{\"question\":\"为什么对齐后有点糊？\",\"answer\":\"拼接会把各图统一到同一基准（竖排取最窄宽度、横排取最矮高度），比基准小的图需要放大，原图分辨率不够就会发糊；尽量用尺寸接近的图，或先裁掉多余边距。\"}]",1,{"id":20,"title":21,"desc":22,"logo":14,"url":5,"cateId":12,"cate":23,"cateSlug":24,"type":25,"orderIdx":13},48,"图片拼接","把多张截图或照片按顺序拼成一张长图，竖排横排宫格、水平垂直间距与背景可调，浏览器本地合成，图片不上传服务器。","图片与设计","image-design","router",[27,33,39,45],{"id":28,"title":29,"desc":30,"logo":31,"url":32,"cateId":12,"cate":23,"cateSlug":24,"type":25,"orderIdx":13},8,"在线图片处理","在线图片裁剪，标注，滤镜，画等操作","https:\u002F\u002Fwww.qiguangit.com\u002Ftools-admin\u002Ffile\u002Ffile\u002Fimg.png","\u002Fsignimage",{"id":34,"title":35,"desc":36,"logo":37,"url":38,"cateId":12,"cate":23,"cateSlug":24,"type":25,"orderIdx":13},16,"色板","包含纯色、渐变与阶梯色和常用色彩组合","https:\u002F\u002Fwww.qiguangit.com\u002Ftools-admin\u002Ffile\u002Ffile\u002F%E8%B0%83%E8%89%B2%E6%9D%BF.png","\u002Fpalettes",{"id":40,"title":41,"desc":42,"logo":43,"url":44,"cateId":12,"cate":23,"cateSlug":24,"type":25,"orderIdx":13},17,"二维码生成","在线生成带logo、透明、艺术的二维码","https:\u002F\u002Fwww.qiguangit.com\u002Ftools-admin\u002Ffile\u002Ffile\u002F%E4%BA%8C%E7%BB%B4%E7%A0%81.png","\u002Fqrcode",{"id":46,"title":47,"desc":48,"logo":49,"url":50,"cateId":12,"cate":23,"cateSlug":24,"type":25,"orderIdx":13},24,"文本转图片","在线文字转图片工具，可以快速将文本文字转换成图片，支持自定义文档大小，字体大小以及前背景色，所见即所得，图片实时生成更新，一键下载图片。","https:\u002F\u002Fwww.qiguangit.com\u002Ftools-admin\u002Ffile\u002Ffile\u002Ftext_to_img.png","\u002FtextToImg",null,"",[]]