[{"data":1,"prerenderedAt":284},["ShallowReactive",2],{"blog-img-convert-complete-guide":3},{"id":4,"title":5,"author":6,"body":7,"category":265,"description":266,"extension":267,"image":268,"keywords":269,"meta":276,"navigation":277,"path":278,"publishedAt":279,"readingTime":280,"seo":281,"stem":282,"updatedAt":279,"__hash__":283},"blog\u002Fblog\u002Fimg-convert-complete-guide.md","图片格式转换完全指南：HEIC打不开、WebP不兼容？一篇文章讲透","91AI工具团队",{"type":8,"value":9,"toc":249},"minimark",[10,19,22,29,33,36,64,69,72,75,80,83,87,90,94,97,101,104,107,174,177,192,195,201,207,213,219,225,228],[11,12,13,14,18],"p",{},"你有没有遇到过这样的瞬间：用iPhone拍的照片在安卓微信里显示空白？从网页保存的图片发给同事，对方说\"打不开\"？做公众号封面时PNG太大传不上去？这些90%都不是图片坏了，而是",[15,16,17],"strong",{},"格式不对","。不同设备、不同平台、不同用途，对图片格式的支持完全不一样。",[11,20,21],{},"这篇图片格式转换完全指南，围绕这些真实痛点展开：怎么把HEIC转成JPG、WebP转成PNG、PNG压成JPG，以及什么时候该用什么格式。全程在线操作，手机电脑都能用，不装任何软件。",[11,23,24],{},[25,26],"img",{"alt":27,"src":28},"图片格式转换在线工具界面","\u002Fimages\u002Ftools\u002Fimg-convert.png",[30,31,32],"h2",{"id":32},"在线图片格式转换工具",[11,34,35],{},"91AI工具的图片格式转换功能，核心就四步：",[37,38,39,46,52,58],"ol",{},[40,41,42,45],"li",{},[15,43,44],{},"上传图片","：拖拽或点击上传需要转换的图片，支持批量多张",[40,47,48,51],{},[15,49,50],{},"选择目标格式","：JPG、PNG、WebP、BMP、GIF、TIFF等格式互转",[40,53,54,57],{},[15,55,56],{},"调整质量与尺寸","：可自定义输出质量（1-100），转换同时调整尺寸",[40,59,60,63],{},[15,61,62],{},"下载结果","：点击开始转换，完成后一键下载",[11,65,66],{},[25,67],{"alt":68,"src":28},"图片格式转换步骤",[11,70,71],{},"整个处理在浏览器本地完成，图片不上传服务器，隐私更安全。",[30,73,74],{"id":74},"应用场景与痛点解决",[76,77,79],"h3",{"id":78},"_1-苹果手机heic照片打不开","1. 苹果手机HEIC照片打不开",[11,81,82],{},"iPhone默认照片格式是HEIC，安卓手机、老版本电脑和很多网页后台都不认。把HEIC批量转成JPG，微信、邮箱、网上报名系统就都能正常显示了。",[76,84,86],{"id":85},"_2-webp图片发给别人不兼容","2. WebP图片发给别人不兼容",[11,88,89],{},"现在很多网站下载的图片是WebP格式，方便是方便，但发到群里、插入文档、上传部分系统时会出现\"无法识别\"。转成PNG或JPG再分享，兼容性立刻拉满。",[76,91,93],{"id":92},"_3-png照片太大传不上去","3. PNG照片太大传不上去",[11,95,96],{},"PNG是无损格式，同样画面的文件体积通常是JPG的好几倍。报名表、工作群、后台要求上传小于1MB的图？把PNG转成JPG（质量80-85%）即可，肉眼几乎看不出区别。",[76,98,100],{"id":99},"_4-透明背景被压成白底","4. 透明背景被压成白底",[11,102,103],{},"抠好的透明背景PNG，一旦转成JPG透明区域会变成白色。需要透明背景时必须输出PNG或WebP，这也是很多人\"PNG转WebP让网页加载更快\"的原因。",[30,105,106],{"id":106},"格式怎么选",[108,109,110,126],"table",{},[111,112,113],"thead",{},[114,115,116,120,123],"tr",{},[117,118,119],"th",{},"用途",[117,121,122],{},"推荐格式",[117,124,125],{},"说明",[127,128,129,141,152,163],"tbody",{},[114,130,131,135,138],{},[132,133,134],"td",{},"微信\u002F邮件\u002F报名上传",[132,136,137],{},"JPG（质量80-90%）",[132,139,140],{},"兼容性最好，体积小",[114,142,143,146,149],{},[132,144,145],{},"透明背景图片",[132,147,148],{},"PNG 或 WebP",[132,150,151],{},"保留透明通道",[114,153,154,157,160],{},[132,155,156],{},"网页图片优化",[132,158,159],{},"WebP",[132,161,162],{},"同等画质体积更小",[114,164,165,168,171],{},[132,166,167],{},"原始数据存档",[132,169,170],{},"BMP\u002FTIFF",[132,172,173],{},"无压缩，专业场景",[30,175,176],{"id":176},"注意事项",[178,179,180,183,186,189],"ul",{},[40,181,182],{},"JPG不支持透明背景，转之前想清楚是否需要透明",[40,184,185],{},"照片类建议JPG，截图\u002F图标\u002F文字类建议PNG",[40,187,188],{},"WebP在部分老旧软件里不兼容，跨平台分享优先JPG",[40,190,191],{},"批量转换建议单次不超过30张，避免浏览器卡顿",[30,193,194],{"id":194},"常见问题",[11,196,197,200],{},[15,198,199],{},"1. 转换后图片变模糊怎么办？","\n把输出质量调到90%以上，或改选PNG无损格式输出，画质不会进一步压缩。",[11,202,203,206],{},[15,204,205],{},"2. 透明背景变成白色是怎么回事？","\nJPG格式本身不支持透明度。要保留透明背景，请选择PNG或WebP格式输出。",[11,208,209,212],{},[15,210,211],{},"3. 手机上能转换吗？","\n可以。91AI工具在手机浏览器里直接用，上传、转换、下载全在本地完成，不依赖电脑和软件。",[11,214,215,218],{},[15,216,217],{},"4. 转换需要上传服务器吗？","\n不需要。整个转换过程在前端本地完成，图片不会上传，适合处理身份证、合同等敏感图片。",[11,220,221,224],{},[15,222,223],{},"5. 批量转换一次能转多少张？","\n建议不超过30张，具体取决于图片大小和浏览器性能，图片越大批量上限越低。",[30,226,227],{"id":227},"扩展阅读",[178,229,230,237,243],{},[40,231,232],{},[233,234,236],"a",{"href":235},"\u002Fblog\u002Fimg-compress-complete-guide","图片压缩：大图瘦身指南",[40,238,239],{},[233,240,242],{"href":241},"\u002Fhelp\u002Fimg-convert","图片格式转换使用指南",[40,244,245],{},[233,246,248],{"href":247},"\u002Fblog\u002Fpdf-to-jpg-complete-guide","PDF转图片：文档变图片分享",{"title":250,"searchDepth":251,"depth":251,"links":252},"",2,[253,254,261,262,263,264],{"id":32,"depth":251,"text":32},{"id":74,"depth":251,"text":74,"children":255},[256,258,259,260],{"id":78,"depth":257,"text":79},3,{"id":85,"depth":257,"text":86},{"id":92,"depth":257,"text":93},{"id":99,"depth":257,"text":100},{"id":106,"depth":251,"text":106},{"id":176,"depth":251,"text":176},{"id":194,"depth":251,"text":194},{"id":227,"depth":251,"text":227},"image","图片格式不对的烦恼：苹果手机拍的HEIC微信打不开、网页保存的WebP不能发给别人、PNG照片大得上传失败。这篇图片格式转换完全指南在线把JPG PNG WebP BMP GIF互转，解决照片格式不兼容、透明背景丢失、网页加载慢的痛点，纯前端处理不传服务器保护隐私，附格式选择对照表与常见问题解答，手机上就能直接转。","md","\u002Fog-image.png",[270,271,272,273,274,275],"图片格式转换","HEIC转JPG","WebP转PNG","JPG转PNG","图片格式不兼容","在线图片转换",{},true,"\u002Fblog\u002Fimg-convert-complete-guide","2026-08-10",6,{"title":5,"description":266},"blog\u002Fimg-convert-complete-guide","x0RAkL2o01guGEd-p_lznNwj15OMe39386KD_vee1yo",1786326879570]