[{"data":1,"prerenderedAt":139},["ShallowReactive",2],{"topic-doc-image-format-choice-guide":3},{"id":4,"title":5,"body":6,"canonical":117,"description":118,"draft":119,"extension":120,"faqRefs":121,"h1":5,"meta":123,"navigation":124,"path":125,"published":124,"relatedTools":126,"robots":130,"seo":131,"slug":133,"stem":134,"summary":135,"theme":136,"updatedAt":137,"__hash__":138},"topics\u002Ftopics\u002Fimage-format-choice-guide.md","JPG PNG WEBP怎么选",{"type":7,"value":8,"toc":106},"minimark",[9,13,26,29,40,43,61,64,81,84,98,101],[10,11,12],"h2",{"id":12},"三种格式的基本区别",[14,15,16,20,23],"ul",{},[17,18,19],"li",{},"JPG：兼容性最好，适合照片、报名、打印和普通上传。",[17,21,22],{},"PNG：支持透明背景，适合截图、图标、文字图和需要保留透明区域的图片。",[17,24,25],{},"WEBP：体积通常更小，适合网页展示，但不是所有上传系统都支持。",[10,27,28],{"id":28},"使用场景",[14,30,31,34,37],{},[17,32,33],{},"你在上传渠道中不确定该用 JPG、PNG 还是 WEBP。",[17,35,36],{},"图片需要透明背景，担心转格式后变成白底或黑底。",[17,38,39],{},"同一套素材要兼顾打印与网页展示。",[10,41,42],{"id":42},"推荐处理顺序",[44,45,46,49,52,55,58],"ol",{},[17,47,48],{},"先看目标入口是否声明格式限制（是否支持透明、是否限定后缀）。",[17,50,51],{},"需要透明背景时优先 PNG；不需要透明且追求通用兼容性时优先 JPG。",[17,53,54],{},"如果是网页场景且入口明确支持，才考虑 WEBP，先做小样对比体积与清晰度。",[17,56,57],{},"确认格式后再处理体积：不同格式的文件大小差异很大。",[17,59,60],{},"导出前统一核对文件名和体积，避免因后缀切换导致批量提交误差。",[10,62,63],{"id":63},"重点看哪里",[14,65,66,69,72,75,78],{},[17,67,68],{},"兼容性优先于体积优化：先确保能被上传入口识别，再追求更小文件。",[17,70,71],{},"是否需要透明背景是最先判断项，不是最后才补。",[17,73,74],{},"打印场景优先考虑清晰度和兼容格式，WEBP 通常不作为首选。",[17,76,77],{},"手机拍摄的 HEIC 照片如果上传失败，通常可先转成 JPG。",[17,79,80],{},"导出格式切换后建议先做 1~2 张样图核验。",[10,82,83],{"id":83},"常见错误与修正",[14,85,86,89,92,95],{},[17,87,88],{},"只看本地可预览就直接批量输出：改成实际入口可接受格式再批量。",[17,90,91],{},"把透明需求和无透明需求混在同一批：先分组，再分别导出。",[17,93,94],{},"同时改格式和体积：先确认格式能上传，再做压缩。",[17,96,97],{},"把 PNG 透明图直接转 JPG：透明区域会被填成白底、黑底或其他底色，先确认是否可以接受。",[10,99,100],{"id":100},"进阶建议",[14,102,103],{},[17,104,105],{},"同一平台经常上传图片时，可以记录它接受的格式、体积上限和常见失败提示，减少反复试错。",{"title":107,"searchDepth":108,"depth":108,"links":109},"",3,[110,112,113,114,115,116],{"id":12,"depth":111,"text":12},2,{"id":28,"depth":111,"text":28},{"id":42,"depth":111,"text":42},{"id":63,"depth":111,"text":63},{"id":83,"depth":111,"text":83},{"id":100,"depth":111,"text":100},null,"上传、打印、透明背景和网页展示对图片格式要求不同，先判断是否需要透明，再选择 JPG、PNG 或 WEBP。",false,"md",[122],"choose-between-jpg-png-webp",{},true,"\u002Ftopics\u002Fimage-format-choice-guide",[127,128,129],"format-convert","compression","matting","index,follow",{"title":5,"description":132,"robots":130},"JPG、PNG、WEBP 图片格式选择指南，覆盖上传、打印、透明背景、截图、网页展示、体积压缩和兼容性判断。","image-format-choice-guide","topics\u002Fimage-format-choice-guide","JPG 最通用，PNG 适合透明和截图，WEBP 体积通常更小但兼容性要确认；格式选对后再压缩。","format","2026-06-18","D_TN6-308IjC6mZ7k-3_MBVCVu5JK51uPxv_L7zDHRw",1781797967996]