모든 카테고리
카테고리 10개, 도구 116개. 카테고리를 눌러 목록을 보거나, 이름을 안다면 검색창을 쓰는 편이 빠릅니다.
텍스트
10대소문자 변환, 중복 제거, 정렬, 줄 정리, 비교
Capitalize Text
Capitalize the first letter of words or sentences
Case Converter
UPPER, lower, Title, camel, snake and more
Character Counter
Count characters, words and lines
Text Diff
Compare two versions of a text
Lorem Ipsum Generator
Placeholder text by paragraph, words or list
Markdown to HTML
Convert Markdown source into HTML
Remove Duplicate Lines
Deduplicate lines, keeping the first hit
Remove Empty Lines
Delete blank lines from text
복권
4솽서추·대러터우·FC3D·PL3 번호 뽑기
금액·재무
3인민폐 대문자 변환, 숫자 금액 중국어 읽기
일상 계산
1백분율 등 일상적인 계산
개발자
35인코딩, 해시, JWT, 정규식, 타임스탬프, 크론
Base64 Decode
Decode Base64 back into readable text
Base64 Encode
Encode text into a Base64 string
Base64 to File
Turn Base64 content back into a downloadable file
CIDR Calculator
Network address, mask and host count from a CIDR block
Color Converter
Convert colors between HEX, RGB and HSL, check contrast
Cron Generator
Build a cron expression without memorising the syntax
Cron Parser
Explain what a cron expression actually means
CSS Formatter
Expand minified CSS into indented rules
JSON / 데이터
16JSON 정리·검증·비교, 데이터 형식 변환
CSV to JSON
Convert CSV rows into a JSON array
JSON Diff
Compare two JSON documents
JSON Escape
Escape a string for embedding in JSON
JSON Flatten
Turn nested JSON into flat keys
JSON Formatter
Format, validate and minify JSON
JSON Minifier
Strip every space and newline from JSON
JSONPath Extract
Pull values out of JSON with JSONPath
JSON Sort Keys
Sort object keys alphabetically
이미지
22압축, 크기 조정, 자르기, 형식 변환, 워터마크, QR 코드
Base64 to Image
Turn a Base64 string into a viewable image
Image Compressor
Shrink images and compare the result side by side
Batch Image Compressor
Compress many images at once, per-file status
Image Crop
Crop an image to the area you need
Flip Image Horizontally
Mirror an image left to right
Flip Image Vertically
Mirror an image top to bottom
Image Format Converter
PNG, JPEG and WebP with a live size comparison
Barcode Generator
Turn text or numbers into a barcode image
웹 / SEO
14제목·설명 점검, robots.txt, 사이트맵, 구조화 데이터
Meta Description Length
Check description length for search results
Heading Structure Check
Check H1–H6 order for SEO
Open Graph Generator
Generate Open Graph tags
Robots.txt Checker
Inspect a robots.txt file
robots.txt Generator
Build a robots.txt file
Schema.org Generator
Generate JSON-LD structured data
SERP Preview
Preview how a result looks in search
Sitemap Checker
Inspect a sitemap.xml
YAML / 설정
5YAML 검증·정리, JSON / XML 상호 변환
하드웨어
6불량 화소, 키보드, 마우스, 마이크, 게임패드, 주사율
Dead Pixel Test
Full-screen colors to spot dead or stuck pixels
Gamepad Test
Check buttons, sticks and triggers
Keyboard Test
See which keys actually register
Microphone Test
Check your mic level in real time
Mouse Test
Buttons, wheel and pointer position
Refresh Rate Test
Estimate your display's real refresh rate