開發者工具
63 種日常工作工具：編碼、雜湊、JSON、JWT、正規表達式、CSS、HTTP 等。全部在瀏覽器中執行。
tools.chekak.store — 在 tools.chekak.store 上開啟
📤Base64 Encode
Encode text to Base64
編碼
📥Base64 Decode
Decode Base64 to text
編碼
🔗URL Encode
Percent-encode URL
編碼
🔓URL Decode
Decode URL-encoded string
編碼
🔢Hex Encode
Text to hex (UTF-8)
編碼
🔣Hex Decode
Hex to text
編碼
🧷HTML Escape
Escape HTML special chars
編碼
🔓HTML Unescape
Unescape HTML entities
編碼
#️⃣SHA-256
SHA-256 hash (Web Crypto)
雜湊
#️⃣SHA-512
SHA-512 hash
雜湊
⚠SHA-1 (legacy)
Legacy SHA-1 hash
雜湊
⚠MD5
MD5 hash (cryptographically broken)
雜湊
🆔UUID v4
Random UUID (RFC 4122 v4)
產生器
🔐Password Generator
Configurable password generator
產生器
🎰Random String
Random string from charset
產生器
📜Lorem Ipsum
Lorem ipsum placeholder text
產生器
📋Markdown Table
Markdown table builder
產生器
🌳ASCII Tree
Indentation to ASCII tree
產生器
🖼️Placeholder Image
Placeholder image URL builder
產生器
✨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
文字
🔢Word Counter
Words, chars, lines, paragraphs
文字
🐌Slug Generator
Title to URL-friendly slug
文字
🔀Text Diff
Compare two texts with highlights
文字
🔽Sort Lines
Sort lines: alpha / number / length / random
文字
🧹Remove Duplicates
Strip duplicate lines
文字
🔄Reverse Text
Reverse chars / words / lines
文字
🔁Find & Replace
Find/replace with regex support
文字
🕐Timestamp
Unix time to human date
日期與時間
⏰Cron Parser
Parse cron + next 5 runs
日期與時間
📅Date Formats
All date formats at once (ISO, UTC, Unix)
日期與時間
⏱️Time Diff
Duration between two dates
日期與時間
🌍Timezone Converter
Time across popular timezones
日期與時間
🎨Color Converter
HEX / RGB / HSL
色彩
⚡Regex Tester
Test regex against text
正規表達式
🧬User-Agent Parser
Browser / OS / device detection
網頁
🪢Query String
Parse ?a=1&b=2 into table
網頁
🔍URL Parser
Full URL breakdown
網頁
🌈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