[{"data":1,"prerenderedAt":530},["ShallowReactive",2],{"guide-sha256-hash-guide":3,"faq-sha256-hash-guide":4,"related-sha256-hash-guide":164},null,{"id":5,"title":6,"body":7,"category":141,"description":142,"extension":143,"keywords":144,"meta":150,"navigation":152,"path":153,"relatedTools":154,"seo":159,"stem":160,"type":161,"updatedAt":162,"__hash__":163},"faq\u002Fhelp\u002Ffaq\u002Fsha256-hash-guide.md","SHA256校验是什么？文件完整性校验常见问题解答",{"type":8,"value":9,"toc":125},"minimark",[10,20,24,29,32,36,42,46,49,53,56,60,63,67,70,74,77,80,96,99],[11,12,13,14,19],"p",{},"打开91AI工具的",[15,16,18],"a",{"href":17},"\u002Ftools\u002Fsha256-hash","SHA256哈希工具","，上传要校验的文件，工具实时计算出SHA256值，与官方下载页标注的哈希值对比，一致说明文件完整未被篡改。也可直接对文本内容计算哈希。纯前端处理，不上传服务器。",[21,22,23],"h2",{"id":23},"详细解答",[25,26,28],"h3",{"id":27},"sha256是什么","SHA256是什么？",[11,30,31],{},"SHA256是一种加密哈希算法，把任意内容计算成一串64位的十六进制\"指纹\"。内容只要有一点变化，哈希值就完全不同，用于校验文件是否完整、是否被篡改。",[25,33,35],{"id":34},"怎么用工具校验文件","怎么用工具校验文件？",[11,37,38,39,41],{},"打开",[15,40,18],{"href":17}," → 上传文件 → 得到SHA256值 → 与官方标注的哈希值逐字符对比，一致即文件完整。",[25,43,45],{"id":44},"sha256和md5有什么区别","SHA256和MD5有什么区别？",[11,47,48],{},"SHA256比MD5更安全。MD5已被证明存在碰撞漏洞，重要文件校验建议用SHA256，安全性更高。",[25,50,52],{"id":51},"校验值对不上说明什么","校验值对不上说明什么？",[11,54,55],{},"说明文件在下载或传输过程中被损坏或被篡改，建议重新下载，不要使用这个文件，防止安装出错或安全问题。",[25,57,59],{"id":58},"支持校验文本内容吗","支持校验文本内容吗？",[11,61,62],{},"支持。可直接对输入的文本内容计算哈希，用于比对文本是否被改动。",[25,64,66],{"id":65},"需要登录或付费吗","需要登录或付费吗？",[11,68,69],{},"不需要。纯前端工具完全免费，文件在浏览器本地计算，不上传服务器，隐私安全。",[25,71,73],{"id":72},"适合校验哪些文件","适合校验哪些文件？",[11,75,76],{},"系统镜像、安装包、固件、企业部署包等从网上下载的重要文件，下载后先校验再使用更稳妥。",[21,78,79],{"id":79},"应用场景",[81,82,83,87,90,93],"ul",{},[84,85,86],"li",{},"下载操作系统镜像、破解补丁前校验完整性",[84,88,89],{},"校验企业安装包是否被植入或损坏",[84,91,92],{},"验证固件文件版本与官方一致",[84,94,95],{},"比对文本内容是否被修改",[21,97,98],{"id":98},"相关推荐",[81,100,101,107,113,119],{},[84,102,103],{},[15,104,106],{"href":105},"\u002Fblog\u002Fsha256-hash-complete-guide","SHA256哈希完全指南",[84,108,109],{},[15,110,112],{"href":111},"\u002Ftools\u002Fmd5-hash","MD5哈希校验",[84,114,115],{},[15,116,118],{"href":117},"\u002Ftools\u002Fsha512-hash","SHA512哈希",[84,120,121],{},[15,122,124],{"href":123},"\u002Ftools\u002Fbase64-encode","Base64编码",{"title":126,"searchDepth":127,"depth":127,"links":128},"",2,[129,139,140],{"id":23,"depth":127,"text":23,"children":130},[131,133,134,135,136,137,138],{"id":27,"depth":132,"text":28},3,{"id":34,"depth":132,"text":35},{"id":44,"depth":132,"text":45},{"id":51,"depth":132,"text":52},{"id":58,"depth":132,"text":59},{"id":65,"depth":132,"text":66},{"id":72,"depth":132,"text":73},{"id":79,"depth":127,"text":79},{"id":98,"depth":127,"text":98},"crypto","SHA256校验是什么常见问题解答，介绍用在线SHA256哈希工具校验下载的系统镜像、安装包、固件文件是否完整未被篡改，解决下载大文件担心损坏或被植入的痛点。回答SHA256是什么、怎么校验文件、和MD5有什么区别、校验值对不上说明什么、支持文本哈希吗、需要登录付费吗等问题，纯前端处理不上传服务器，实时算哈希值更放心。","md",[145,146,147,148,149],"SHA256校验","SHA256是什么","文件完整性校验","SHA256哈希","下载文件校验",{"readingTime":151},4,true,"\u002Fhelp\u002Ffaq\u002Fsha256-hash-guide",[155,156,157,158],"sha256-hash","md5-hash","sha512-hash","base64-encode",{"title":6,"description":142},"help\u002Ffaq\u002Fsha256-hash-guide","faq","2026-08-20","8WfVeRPuATNk5dVIEQMnT-Omr6A5qNpZXQRmMvv7T48",[165,302,451],{"id":166,"title":167,"body":168,"category":141,"description":285,"extension":143,"keywords":286,"meta":292,"navigation":152,"path":293,"relatedTools":294,"seo":298,"stem":299,"type":161,"updatedAt":300,"__hash__":301},"faq\u002Fhelp\u002Ffaq\u002Faes-encrypt-guide.md","AES加密常见问题：文本加密解密怎么用",{"type":8,"value":169,"toc":273},[170,178,180,184,200,207,211,214,218,221,225,228,232,235,239,242,246,249,251],[11,171,172,173,177],{},"重要文本不想被明文存放或传输，可以用AES加密。91AI工具的",[15,174,176],{"href":175},"\u002Ftools\u002Faes-encrypt","AES加密工具","帮你在线对文本加解密。",[21,179,23],{"id":23},[25,181,183],{"id":182},"q-如何对文本aes加密","Q: 如何对文本AES加密？",[185,186,187,191,194,197],"ol",{},[84,188,38,189],{},[15,190,176],{"href":175},[84,192,193],{},"输入待加密文本和密钥",[84,195,196],{},"一键生成密文",[84,198,199],{},"解密时用相同密钥还原",[11,201,202],{},[203,204],"img",{"alt":205,"src":206},"AES加密工具界面","\u002Fimages\u002Ftools\u002Faes-encrypt.png",[25,208,210],{"id":209},"q-aes加密可靠吗","Q: AES加密可靠吗？",[11,212,213],{},"AES是国际通用对称加密算法，标准可靠，密钥长度越长安全性越高。",[25,215,217],{"id":216},"q-密钥怎么设置","Q: 密钥怎么设置？",[11,219,220],{},"建议设置足够长、足够复杂的密钥，并妥善保管。使用正确密钥才能解密。",[25,222,224],{"id":223},"q-加密后为什么是乱码","Q: 加密后为什么是乱码？",[11,226,227],{},"加密后的密文本身不可读，这是加密的正常效果，解密后即可还原原文。",[25,229,231],{"id":230},"q-忘记密钥还能解密吗","Q: 忘记密钥还能解密吗？",[11,233,234],{},"不能。AES是对称加密，密钥丢失基本无法还原，务必牢记并备份密钥。",[25,236,238],{"id":237},"q-前端加密安不安全","Q: 前端加密安不安全？",[11,240,241],{},"浏览器本地加密不上传服务器，数据不离开设备，适合密钥传输、账号密码等敏感字段加密。",[25,243,245],{"id":244},"q-哪些场景适合","Q: 哪些场景适合？",[11,247,248],{},"开发对接接口加密参数、存储敏感文本、传输密钥等场景都能用到。",[21,250,98],{"id":98},[81,252,253,260,267],{},[84,254,255,259],{},[15,256,258],{"href":257},"\u002Ftools\u002Frsa-encrypt","RSA加密"," - 非对称加密",[84,261,262,266],{},[15,263,265],{"href":264},"\u002Ftools\u002Fhmac","HMAC"," - 完整性校验",[84,268,269,272],{},[15,270,271],{"href":111},"MD5校验"," - 文件校验",{"title":126,"searchDepth":127,"depth":127,"links":274},[275,284],{"id":23,"depth":127,"text":23,"children":276},[277,278,279,280,281,282,283],{"id":182,"depth":132,"text":183},{"id":209,"depth":132,"text":210},{"id":216,"depth":132,"text":217},{"id":223,"depth":132,"text":224},{"id":230,"depth":132,"text":231},{"id":237,"depth":132,"text":238},{"id":244,"depth":132,"text":245},{"id":98,"depth":127,"text":98},"AES加密常见问题解答，介绍用在线工具对文本进行AES加解密，解决敏感信息明文传输或明文存放，一旦泄露就被直接阅读的担心。解答AES加密可靠吗、密钥怎么设置、加密后为何是乱码、忘记密钥能否还原、前端加密是否安全、哪些场景适合，浏览器本地处理不联网不上传，正确密钥即可还原，适合敏感字段加密传输与开发中保护数据密钥安全。",[287,288,289,290,291],"AES加密","文本加密","AES解密","加密解密","在线加密工具",{},"\u002Fhelp\u002Ffaq\u002Faes-encrypt-guide",[295,296,297,156],"aes-encrypt","rsa-encrypt","hmac",{"title":167,"description":285},"help\u002Ffaq\u002Faes-encrypt-guide","2026-08-07","-KxV8aEVJoBF3i0JfC7eki0vultvodhM2_px6WcZJMY",{"id":303,"title":304,"body":305,"category":141,"description":434,"extension":143,"keywords":435,"meta":441,"navigation":152,"path":442,"relatedTools":443,"seo":447,"stem":448,"type":161,"updatedAt":449,"__hash__":450},"faq\u002Fhelp\u002Ffaq\u002Fimage-to-base64-guide.md","图片转Base64常见问题：把图片嵌入网页代码",{"type":8,"value":306,"toc":424},[307,310,312,316,338,344,348,376,380,388,392,395,399,402,404],[11,308,309],{},"做网页、写邮件、开发小程序时，想把图片直接嵌进代码里不依赖外链，最常见的方法就是把图片转成Base64字符串。",[21,311,23],{"id":23},[25,313,315],{"id":314},"q-如何把图片转成base64","Q: 如何把图片转成Base64？",[185,317,318,324,327,330],{},[84,319,38,320],{},[15,321,323],{"href":322},"\u002Ftools\u002Fimage-to-base64","图片转Base64工具",[84,325,326],{},"点击上传区选择图片文件（支持JPG、PNG、GIF、WebP等常见格式）",[84,328,329],{},"工具自动把图片二进制内容转换为Base64字符串",[84,331,332,333,337],{},"复制生成的 ",[334,335,336],"code",{},"data:image\u002F...;base64,..."," 字符串嵌入代码",[11,339,340],{},[203,341],{"alt":342,"src":343},"图片转Base64工具界面","\u002Fimages\u002Ftools\u002Fimage-to-base64.png",[25,345,347],{"id":346},"q-转出来的base64怎么用在网页里","Q: 转出来的Base64怎么用在网页里？",[81,349,350,361,370],{},[84,351,352,356,357,360],{},[353,354,355],"strong",{},"HTML图片","：把字符串填入 ",[334,358,359],{},"\u003Cimg src=\"data:image\u002Fpng;base64,XXXX\">"," 的src位置",[84,362,363,366,367],{},[353,364,365],{},"CSS背景","：填入 ",[334,368,369],{},"background-image: url(data:image\u002Fpng;base64,XXXX)",[84,371,372,375],{},[353,373,374],{},"邮件正文","：直接以Base64格式内嵌图片，避免外链被邮件客户端屏蔽",[25,377,379],{"id":378},"q-base64后的字符串太长了怎么办","Q: Base64后的字符串太长了怎么办？",[11,381,382,383,387],{},"Base64编码后体积约增加三分之一。嵌入前先用",[15,384,386],{"href":385},"\u002Ftools\u002Fimg-compress","图片压缩工具","把图片压缩到合适大小（建议几十KB以内），再转Base64，字符串会更短，页面加载更快。",[25,389,391],{"id":390},"q-转成base64后还能还原成图片吗","Q: 转成Base64后还能还原成图片吗？",[11,393,394],{},"可以。Base64是无损编码，用解码功能或任何Base64解码方式都能还原出与原始图片完全一致的图片文件。",[25,396,398],{"id":397},"q-图片转换会上传服务器吗","Q: 图片转换会上传服务器吗？",[11,400,401],{},"不会。工具在浏览器本地完成图片读取和编码，图片和字符串都不会上传服务器，隐私安全。",[21,403,98],{"id":98},[81,405,406,412,419],{},[84,407,408,411],{},[15,409,410],{"href":123},"Base64编码工具"," - 文本内容编码解码",[84,413,414,418],{},[15,415,417],{"href":416},"\u002Ftools\u002Fbase64-decode","Base64解码工具"," - 把Base64还原为原文",[84,420,421,423],{},[15,422,386],{"href":385}," - 先压缩再转换体积更小",{"title":126,"searchDepth":127,"depth":127,"links":425},[426,433],{"id":23,"depth":127,"text":23,"children":427},[428,429,430,431,432],{"id":314,"depth":132,"text":315},{"id":346,"depth":132,"text":347},{"id":378,"depth":132,"text":379},{"id":390,"depth":132,"text":391},{"id":397,"depth":132,"text":398},{"id":98,"depth":127,"text":98},"图片转Base64常见问题解答，介绍如何用在线工具把图片直接转换为Base64字符串，用于嵌入HTML CSS代码、邮件正文和减少图片HTTP请求。涵盖上传图片转换、限制大小建议、编码体积变化、解码还原图片等常见场景，纯前端处理图片不上传服务器隐私安全，帮助前端开发者和邮件制作人员快速完成图片内嵌，避免外链加载失败。",[436,437,438,439,440],"图片转Base64","Base64图片","图片内嵌","CSS背景图","HTML图片嵌入",{},"\u002Fhelp\u002Ffaq\u002Fimage-to-base64-guide",[444,158,445,446],"image-to-base64","base64-decode","img-compress",{"title":304,"description":434},"help\u002Ffaq\u002Fimage-to-base64-guide","2026-08-03","4YkTPpZF65nQ93gXfrDtkzaPM4OW1WG9VXMqVRBByKQ",{"id":452,"title":453,"body":454,"category":141,"description":514,"extension":143,"keywords":515,"meta":521,"navigation":152,"path":522,"relatedTools":523,"seo":526,"stem":527,"type":161,"updatedAt":528,"__hash__":529},"faq\u002Fhelp\u002Ffaq\u002Fjson-formatter-guide.md","JSON格式化常见问题：JSON工具FAQ",{"type":8,"value":455,"toc":505},[456,460,463,467,470,474,477,481,484,488,491,495,498,502],[21,457,459],{"id":458},"json格式化工具支持哪些操作","JSON格式化工具支持哪些操作？",[11,461,462],{},"支持格式化美化（添加缩进和换行）、压缩（移除空白字符）和语法校验（检测错误位置）。",[21,464,466],{"id":465},"数据安全吗","数据安全吗？",[11,468,469],{},"所有处理在浏览器本地完成，JSON数据不上传服务器。可以在断网环境下使用。",[21,471,473],{"id":472},"支持校验非标准json吗","支持校验非标准JSON吗？",[11,475,476],{},"严格遵循JSON标准规范。非标准格式（如JavaScript对象中含函数或undefined）会被标记为错误。",[21,478,480],{"id":479},"可以处理超大json吗","可以处理超大JSON吗？",[11,482,483],{},"没有严格限制，但超大文件（10MB以上）可能会影响浏览器性能。建议分段处理。",[21,485,487],{"id":486},"格式化后的缩进可以自定义吗","格式化后的缩进可以自定义吗？",[11,489,490],{},"默认使用2空格缩进，这是最通用的JSON格式化标准。",[21,492,494],{"id":493},"支持json5或注释吗","支持JSON5或注释吗？",[11,496,497],{},"暂不支持JSON5和带注释的JSON。标准JSON本身不支持注释，建议移除注释后校验。",[21,499,501],{"id":500},"可以批量处理多个json吗","可以批量处理多个JSON吗？",[11,503,504],{},"目前每次处理一个JSON字符串。如有多个JSON需要处理，可以逐一进行。",{"title":126,"searchDepth":127,"depth":127,"links":506},[507,508,509,510,511,512,513],{"id":458,"depth":127,"text":459},{"id":465,"depth":127,"text":466},{"id":472,"depth":127,"text":473},{"id":479,"depth":127,"text":480},{"id":486,"depth":127,"text":487},{"id":493,"depth":127,"text":494},{"id":500,"depth":127,"text":501},"关于在线JSON格式化工具（JSON美化、压缩、校验、错误定位等）的常见问题解答。",[516,517,518,519,520],"JSON FAQ","JSON格式化","JSON校验","JSON美化","JSON压缩",{},"\u002Fhelp\u002Ffaq\u002Fjson-formatter-guide",[524,525,158],"json-formatter","url-encode",{"title":453,"description":514},"help\u002Ffaq\u002Fjson-formatter-guide","2026-07-06","LuZl_A2qjr9g-1cZGn7XRQZW4AZ9vPu4mH3qQA7kbFY",1787204888745]