免费在线编码解码工具
在线编码和解码数据：Base64、URL 编码、HTML 实体、哈希（MD5、SHA-256）、JWT 等。
57 个工具可用
Base64 编码/解码
将文本编码为 Base64 或将 Base64 解码回文本
URL 编码/解码
编码或解码 URL 组件和查询参数
哈希生成器
从文本生成 MD5、SHA-1、SHA-256、SHA-512 哈希
多重哈希生成器
同时生成 MD5、SHA-1、SHA-256、SHA-384、SHA-512 哈希值，支持文本和文件
JWT 解码器
解码并检查 JSON Web Token（header、payload、signature）
HTML 实体编码器
编码和解码 HTML 实体及特殊字符
图片 Base64 转换
将图片转换为 Base64 字符串和 data URI，支持拖放
Escape / Unescape
对 HTML、JavaScript 和 JSON 进行转义或反转义
PEM / 证书解码器
解码 PEM 证书
Bcrypt Hash 生成器
生成可配置成本的 bcrypt hash
ASCII 文本转换器
在 ASCII 码和文本字符之间转换，附参考表
Md5 Hash Generator
Md5 Hash Generator - Free online tool for Hash generation (MD5, SHA). Fast, secure, and easy to use.
Sha256 Hash Generator
Sha256 Hash Generator - Free online tool for Hash generation (MD5, SHA). Fast, secure, and easy to use.
Sha1 Hash Generator
Sha1 Hash Generator - Free online tool for Hash generation (MD5, SHA). Fast, secure, and easy to use.
Sha512 Hash Generator
Sha512 Hash Generator - Free online tool for Hash generation (MD5, SHA). Fast, secure, and easy to use.
Base64 Encoder
Encode text to Base64 format
Base64 Decoder
Fast Base64 decoder for text and binary data
String To Base64
String To Base64 - Free online tool for Base64 encoding and decoding. Fast, secure, and easy to use.
Jwt Token Decoder
Jwt Token Decoder - Free online tool for JWT token decoding. Fast, secure, and easy to use.
Jwt Parser
Jwt Parser - Free online tool for JWT token decoding. Fast, secure, and easy to use.
Jwt Validator
Jwt Validator - Free online tool for JWT token decoding. Fast, secure, and easy to use.
Url Decoder
Url Decoder - Free online tool for URL encoding/decoding. Fast, secure, and easy to use.
Url Encode
Url Encode - Free online tool for URL encoding/decoding. Fast, secure, and easy to use.
Percent Encoding Tool
Percent Encoding Tool - Free online tool for data processing. Fast, secure, and easy to use.
Md5 Vs Sha256
Md5 Vs Sha256 - Free online tool for MD5 hashing. Fast, secure, and easy to use.
Base64 vs URL Encoding
Compare Base64 and URL encoding with side-by-side examples
Jwt Vs Session
Jwt Vs Session - Free online tool for JWT token decoding. Fast, secure, and easy to use.
Base64 图片转换器
将图片转换为 Base64 字符串，或将 Base64 转换为图片
JWT 在线解码器
免费在线解码 JWT 令牌，即时查看 Header、Payload 和过期时间
HTML实体编码解码器
编码和解码HTML实体，支持命名实体和数字实体，附带参考表
图片转Base64编码器
将图片转换为Base64字符串和Data URI，支持拖放上传
Online Hash Generator
Online Hash Generator - Free online tool for Hash generation (MD5, SHA). Fast, secure, and easy to use.
Base64 Decoder Online
Free online Base64 decoder with instant results
Base64 to Image
Convert Base64 image strings to viewable and downloadable images
Text To Binary
Text To Binary - Free online tool for Text processing. Fast, secure, and easy to use.
Base64 Encode Online
Free online Base64 encoder for text and files
Url Shortener Tool
Url Shortener Tool - Free online tool for URL encoding/decoding. Fast, secure, and easy to use.
Base64 Image Decoder
Convert Base64 image data back to image files
Jwt Debugger
Jwt Debugger - Free online tool for JWT token decoding. Fast, secure, and easy to use.
String Hash Generator
String Hash Generator - Free online tool for Hash generation (MD5, SHA). Fast, secure, and easy to use.
JWT Generator
Generate JWT tokens
Base64 Decode
Decode Base64 encoded text back to plain text
Base64 Encoder/Decoder
Encode and decode Base64 in one tool with bidirectional conversion
Url Encode Decode
Url Encode Decode - Free online tool for URL encoding/decoding. Fast, secure, and easy to use.
Base64 图片编码器
图片与 Base64 编码互转
Html Encoder
Html Encoder - Free online tool for HTML processing. Fast, secure, and easy to use.
Sha256 Hash
Sha256 Hash - Free online tool for Hash generation (MD5, SHA). Fast, secure, and easy to use.
Url Encoder
Url Encoder - Free online tool for URL encoding/decoding. Fast, secure, and easy to use.
SAML 解码器
解码和检查 SAML 响应和请求
Protobuf 解码器
无需 Schema 解码 Protocol Buffers 二进制数据
Certutil Base64 Decoder
Decode certutil Base64 encoded strings and certificates online. Convert Base64 from environment variables, certificates, and command-line output.
Base32 Encoder/Decoder
Encode/decode Base32 strings
二进制转文本
二进制和文本互转
文本转摩尔斯电码
文本和摩尔斯电码互转
Base58 编解码
编码和解码 Base58 字符串
SVG to CSS Converter
Convert SVG to CSS background-image data URI
HTML Entity Decoder
Encode/decode HTML entities
关于免费在线编码解码工具
DevToolBox 提供一系列免费的在线开发者工具，帮助你高效完成日常开发任务。此分类下共有 57 个工具，全部在浏览器中运行，无需安装任何软件。你的数据不会发送到服务器，确保隐私安全。
所有工具完全免费，无需注册或登录。支持 15 种语言，随时随地使用。