[{"data":1,"prerenderedAt":290},["ShallowReactive",2],{"blog-post-/blog/zh-tw/convert-image-to-base64-guide":3,"related-posts-/zh-TW/blog/convert-image-to-base64-guide":86},{"id":4,"title":5,"author":6,"body":7,"category":67,"date":68,"description":69,"extension":70,"featured":71,"image":72,"meta":73,"navigation":74,"path":75,"readingTime":76,"seo":77,"stem":78,"tags":79,"tools":84,"__hash__":85},"content/blog/zh-TW/convert-image-to-base64-guide.md","Convert Images to Base64: When It Helps and When It Hurts","Anything Tools Editorial",{"type":8,"value":9,"toc":59},"minimark",[10,14,18,22,36,39,47,50,53,56],[11,12,5],"h1",{"id":13},"convert-images-to-base64-when-it-helps-and-when-it-hurts",[15,16,17],"p",{},"Base64 可以把小图片变成文本，方便放进 HTML、CSS、JSON 或临时原型里。它很方便，但并不总是比普通图片文件更快、更干净。",[19,20,21],"h2",{"id":21},"核心思路",[15,23,24,25,30,31,35],{},"当你需要很小的图标、测试样例或自包含片段时，可以使用 ",[26,27,29],"a",{"href":28},"/dev/image-to-base64","Image to Base64","。如果只是查看或解码字符串，",[26,32,34],{"href":33},"/dev/base64","Base64 Encoder/Decoder"," 更直接。",[19,37,38],{"id":38},"适用场景",[15,40,41,42,46],{},"代价是体积。Base64 通常会让二进制数据变大，而且长字符串很难 code review。照片、截图、博客封面更适合保留图片文件，再用 ",[26,43,45],{"href":44},"/image/converter","Image Converter"," 优化格式。",[19,48,49],{"id":49},"性能取舍",[15,51,52],{},"实用规则：只有确实需要随文档一起移动的小资产才内联；其他图片保持独立文件，方便浏览器缓存、设计替换和代码审查。",[19,54,55],{"id":55},"最后检查",[15,57,58],{},"发布前在慢网络下测试页面，并确认源码仍然可读。Base64 是有用工具，不是默认发布格式。",{"title":60,"searchDepth":61,"depth":61,"links":62},"",2,[63,64,65,66],{"id":21,"depth":61,"text":21},{"id":38,"depth":61,"text":38},{"id":49,"depth":61,"text":49},{"id":55,"depth":61,"text":55},"Developer Tools","2026-08-14T00:00:00.000Z","Learn when Base64 image strings are useful for prototypes, emails, and small assets, plus when normal image files are better.","md",false,"/blog/convert-image-to-base64-guide.png",{},true,"/blog/zh-tw/convert-image-to-base64-guide",5,{"title":5,"description":69},"blog/zh-TW/convert-image-to-base64-guide",[80,81,82,83],"base64","image encoding","developer tools","web performance",[28,33,44],"m7bR3D7IcdTnUpqEbp_gnPa7afscf1lyu15X6bYXorE",[87,138],{"id":88,"title":5,"author":6,"body":89,"category":67,"date":68,"description":69,"extension":70,"featured":71,"image":72,"meta":131,"navigation":74,"path":132,"readingTime":76,"seo":133,"stem":134,"tags":135,"tools":136,"__hash__":137},"content/blog/de-DE/convert-image-to-base64-guide.md",{"type":8,"value":90,"toc":125},[91,93,96,98,107,109,115,117,120,122],[11,92,5],{"id":13},[15,94,95],{},"Base64 turns a small image into text that can be pasted into HTML, CSS, JSON, or a quick prototype. It is convenient, but it is not always faster or cleaner than linking a normal image file.",[19,97,21],{"id":21},[15,99,100,101,103,104,106],{},"Use the ",[26,102,29],{"href":28}," tool when you need a tiny icon, a test fixture, or a self-contained snippet. If you only need to understand or decode a string, the ",[26,105,34],{"href":33}," is the simpler companion.",[19,108,38],{"id":38},[15,110,111,112,114],{},"The trade-off is size. Base64 usually makes binary data larger, and very long strings are hard to review in code. For photos, screenshots, or blog covers, keep a real file and optimize the format with the ",[26,113,45],{"href":44},".",[19,116,49],{"id":49},[15,118,119],{},"A practical rule: inline only small assets that truly need to travel with the document. Keep everything else as a separate image so browsers can cache it, designers can replace it, and reviewers can inspect changes.",[19,121,55],{"id":55},[15,123,124],{},"Before shipping, test the page on a slow connection and check that the source code remains readable. Base64 is a useful tool, not a default publishing format.",{"title":60,"searchDepth":61,"depth":61,"links":126},[127,128,129,130],{"id":21,"depth":61,"text":21},{"id":38,"depth":61,"text":38},{"id":49,"depth":61,"text":49},{"id":55,"depth":61,"text":55},{},"/blog/de-de/convert-image-to-base64-guide",{"title":5,"description":69},"blog/de-DE/convert-image-to-base64-guide",[80,81,82,83],[28,33,44],"T9fy8iDSs-jO4VkKmehuIai9nm-fgE0ZjLx5T5-3BX4",{"id":139,"title":140,"author":6,"body":141,"category":67,"date":277,"description":278,"extension":70,"featured":71,"image":279,"meta":280,"navigation":74,"path":281,"readingTime":282,"seo":283,"stem":284,"tags":285,"tools":288,"__hash__":289},"content/blog/de-DE/how-to-decode-jwt-tokens-online.md","Wie man JWT-Token online decodiert",{"type":8,"value":142,"toc":272},[143,146,154,158,165,188,194,198,223,227,233,266],[15,144,145],{},"JSON Web Tokens (JWT) are a widely used standard for securely transmitting information between parties as a JSON object. If you're a web developer building authentication systems, you will inevitably need to inspect the contents of a JWT.",[15,147,148,149,153],{},"In this article, we will explain what a JWT is and how you can easily decode and verify it using our free online ",[26,150,152],{"href":151},"/dev/jwt-decoder","JWT Decoder"," tool.",[19,155,157],{"id":156},"structure-of-a-jwt","Structure of a JWT",[15,159,160,161,164],{},"A JWT consists of three parts separated by dots (",[162,163,114],"code",{},"):",[166,167,168,176,182],"ol",{},[169,170,171,175],"li",{},[172,173,174],"strong",{},"Header:"," Contains metadata about the type of token and the cryptographic algorithms used to secure its contents.",[169,177,178,181],{},[172,179,180],{},"Payload:"," Contains the claims. This is where the actual data (like user ID, expiration time, or roles) is stored.",[169,183,184,187],{},[172,185,186],{},"Signature:"," Used to verify that the sender of the JWT is who it says it is and to ensure that the message wasn't changed along the way.",[15,189,190,191],{},"It looks something like this:\n",[162,192,193],{},"xxxxxxx.yyyyyyy.zzzzzzz",[19,195,197],{"id":196},"why-decode-a-jwt","Why Decode a JWT?",[199,200,201,207,217],"ul",{},[169,202,203,206],{},[172,204,205],{},"Debugging Authentication:"," Verify that the correct user data or permissions (claims) are included in the payload.",[169,208,209,212,213,216],{},[172,210,211],{},"Checking Expiration:"," Ensure the token hasn't expired by inspecting the ",[162,214,215],{},"exp"," claim.",[169,218,219,222],{},[172,220,221],{},"Verifying Integrity:"," If you have the secret key, you can verify if the signature is valid.",[19,224,226],{"id":225},"using-the-online-jwt-decoder","Using the Online JWT Decoder",[15,228,229,230,232],{},"Our ",[26,231,152],{"href":151}," runs entirely in your browser, meaning your tokens are never sent to our servers. Your security and privacy are guaranteed.",[166,234,235,242,245,256],{},[169,236,237,238,153],{},"Navigate to the ",[172,239,240],{},[26,241,152],{"href":151},[169,243,244],{},"Paste your token into the \"Encoded Token\" text area.",[169,246,247,248,251,252,255],{},"The tool will automatically parse and display the decoded JSON for both the ",[172,249,250],{},"Header"," and ",[172,253,254],{},"Payload"," in a structured, syntax-highlighted format.",[169,257,258,259,262,263,265],{},"You can clearly view standard claims like ",[162,260,261],{},"iat"," (Issued At) and ",[162,264,215],{}," (Expiration Time) converted into readable dates.",[15,267,268,269,271],{},"Stop writing custom scripts just to view token contents—bookmark the ",[26,270,152],{"href":151}," and speed up your API development today!",{"title":60,"searchDepth":61,"depth":61,"links":273},[274,275,276],{"id":156,"depth":61,"text":157},{"id":196,"depth":61,"text":197},{"id":225,"depth":61,"text":226},"2026-04-29T00:00:00.000Z","Erfahren Sie, wie Sie JSON Web Tokens (JWT) sicher und einfach in Ihrem Browser decodieren und überprüfen können.","/blog/how-to-decode-jwt-tokens-online.png",{},"/blog/de-de/how-to-decode-jwt-tokens-online",null,{"title":140,"description":278},"blog/de-DE/how-to-decode-jwt-tokens-online",[152,286,67,287],"Cyber Security","Token Decoder",[151],"jiOLpCLzsfcMWfTljgRFsMe82n0n2lE768ZaObtQrEE",1786690714008]