开发者工具
63 个日常工具:编码、哈希、JSON、JWT、正则、CSS、HTTP 等等。全部在浏览器中运行。
tools.chekak.store — 在 tools.chekak.store 打开
📤Base64 Encode
Encode text to Base64
编码
📥Base64 Decode
Decode Base64 to text
编码
🔗URL Encode
Percent-encode URL
编码
🔓URL Decode
Decode URL-encoded string
编码
🔢Hex Encode
Text to hex (UTF-8)
编码
🔣Hex Decode
Hex to text
编码
🧷HTML Escape
Escape HTML special chars
编码
🔓HTML Unescape
Unescape HTML entities
编码
#️⃣SHA-256
SHA-256 hash (Web Crypto)
哈希
#️⃣SHA-512
SHA-512 hash
哈希
⚠SHA-1 (legacy)
Legacy SHA-1 hash
哈希
⚠MD5
MD5 hash (cryptographically broken)
哈希
🆔UUID v4
Random UUID (RFC 4122 v4)
生成器
🔐Password Generator
Configurable password generator
生成器
🎰Random String
Random string from charset
生成器
📜Lorem Ipsum
Lorem ipsum placeholder text
生成器
📋Markdown Table
Markdown table builder
生成器
🌳ASCII Tree
Indentation to ASCII tree
生成器
🖼️Placeholder Image
Placeholder image URL builder
生成器
✨JSON Format
Pretty-print JSON
JSON
🔻JSON Minify
Strip whitespace from JSON
JSON
✅JSON Validate
Validate JSON syntax
JSON
🔤JSON Sort Keys
Recursive key sort
JSON
🔍JSON Diff
Compare two JSON
JSON
📄JSON to YAML
Convert JSON to YAML
JSON
📃YAML to JSON
Convert YAML to JSON
JSON
📰JSON to XML
Convert JSON to XML
JSON
📑XML to JSON
Parse XML to JSON
JSON
📊JSON to CSV
Array of objects to CSV
JSON
📈CSV to JSON
CSV with header to JSON
JSON
🔓JWT Decode
Decode JWT header + payload
JWT
🔠Case Converter
UPPER / lower / Title / camel / snake
文本
🔢Word Counter
Words, chars, lines, paragraphs
文本
🐌Slug Generator
Title to URL-friendly slug
文本
🔀Text Diff
Compare two texts with highlights
文本
🔽Sort Lines
Sort lines: alpha / number / length / random
文本
🧹Remove Duplicates
Strip duplicate lines
文本
🔄Reverse Text
Reverse chars / words / lines
文本
🔁Find & Replace
Find/replace with regex support
文本
🕐Timestamp
Unix time to human date
日期与时间
⏰Cron Parser
Parse cron + next 5 runs
日期与时间
📅Date Formats
All date formats at once (ISO, UTC, Unix)
日期与时间
⏱️Time Diff
Duration between two dates
日期与时间
🌍Timezone Converter
Time across popular timezones
日期与时间
🎨Color Converter
HEX / RGB / HSL
颜色
⚡Regex Tester
Test regex against text
正则
🧬User-Agent Parser
Browser / OS / device detection
网络
🪢Query String
Parse ?a=1&b=2 into table
网络
🔍URL Parser
Full URL breakdown
网络
🌈Color Palette
Complementary / triadic / analogous / shades
CSS
🎨Gradient Maker
Linear / radial / conic with preview
CSS
🌫️Box Shadow
Box-shadow builder with preview
CSS
⬜Border Radius
Rounded corners with preview
CSS
🔠Text Shadow
Text-shadow builder with preview
CSS
📐Flexbox Playground
Interactive flexbox playground
CSS
🛠️HTTP Request Builder
POST/GET to curl / fetch / axios / python
HTTP
🔄curl to Code
curl command to fetch / axios / python
HTTP
📋HTTP Headers Parser
Parse raw HTTP headers
HTTP
🔏HMAC
HMAC-SHA1/256/384/512 (Web Crypto)
加密
🔐AES Encrypt
AES-256-GCM with PBKDF2 key
加密
🔓AES Decrypt
Decrypt AES-256-GCM
加密
🛡️Bcrypt
Bcrypt password hash + verify
加密
🎟️JWT Encode
Sign JWT (HS256/384/512)
加密