개발자 도구
일상 작업을 위한 63개의 유틸리티: 인코딩, 해싱, JSON, JWT, 정규식, CSS, HTTP 등. 모두 브라우저에서 실행.
tools.chekak.store — tools.chekak.store에서 열기
📤Base64 Encode
Encode text to Base64
인코딩
📥Base64 Decode
Decode Base64 to text
인코딩
🔗URL Encode
Percent-encode URL
인코딩
🔓URL Decode
Decode URL-encoded string
인코딩
🔢Hex Encode
Text to hex (UTF-8)
인코딩
🔣Hex Decode
Hex to text
인코딩
🧷HTML Escape
Escape HTML special chars
인코딩
🔓HTML Unescape
Unescape HTML entities
인코딩
#️⃣SHA-256
SHA-256 hash (Web Crypto)
해싱
#️⃣SHA-512
SHA-512 hash
해싱
⚠SHA-1 (legacy)
Legacy SHA-1 hash
해싱
⚠MD5
MD5 hash (cryptographically broken)
해싱
🆔UUID v4
Random UUID (RFC 4122 v4)
생성기
🔐Password Generator
Configurable password generator
생성기
🎰Random String
Random string from charset
생성기
📜Lorem Ipsum
Lorem ipsum placeholder text
생성기
📋Markdown Table
Markdown table builder
생성기
🌳ASCII Tree
Indentation to ASCII tree
생성기
🖼️Placeholder Image
Placeholder image URL builder
생성기
✨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
텍스트
🔢Word Counter
Words, chars, lines, paragraphs
텍스트
🐌Slug Generator
Title to URL-friendly slug
텍스트
🔀Text Diff
Compare two texts with highlights
텍스트
🔽Sort Lines
Sort lines: alpha / number / length / random
텍스트
🧹Remove Duplicates
Strip duplicate lines
텍스트
🔄Reverse Text
Reverse chars / words / lines
텍스트
🔁Find & Replace
Find/replace with regex support
텍스트
🕐Timestamp
Unix time to human date
날짜 및 시간
⏰Cron Parser
Parse cron + next 5 runs
날짜 및 시간
📅Date Formats
All date formats at once (ISO, UTC, Unix)
날짜 및 시간
⏱️Time Diff
Duration between two dates
날짜 및 시간
🌍Timezone Converter
Time across popular timezones
날짜 및 시간
🎨Color Converter
HEX / RGB / HSL
색상
⚡Regex Tester
Test regex against text
정규식
🧬User-Agent Parser
Browser / OS / device detection
웹
🪢Query String
Parse ?a=1&b=2 into table
웹
🔍URL Parser
Full URL breakdown
웹
🌈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)
암호화
🔐AES Encrypt
AES-256-GCM with PBKDF2 key
암호화
🔓AES Decrypt
Decrypt AES-256-GCM
암호화
🛡️Bcrypt
Bcrypt password hash + verify
암호화
🎟️JWT Encode
Sign JWT (HS256/384/512)
암호화