매일 사용하는 PDF·이미지·JSON 도구 모음
PDF, 이미지, JSON, 텍스트 및 일상 계산을 위한 무료의 빠르고 비공개인 온라인 도구. 모두 브라우저에서 실행됩니다.
PDF 도구
PDF 병합
Combine multiple PDF files into one document online, free. Drag to reorder before merging.
PDF 분할
Split a PDF by page range, extract specific pages, or divide into equal parts, free online.
페이지 정리
Drag and drop to reorder PDF pages. Delete unwanted pages with one click, free online.
PDF 회전
Rotate PDF pages 90, 180 or 270 degrees, individual pages or all at once, free online.
페이지 삭제
Select and permanently remove unwanted pages from your PDF file, free and online.
PDF 페이지 반전
Reverse the page order of a PDF online, free. Runs entirely in your browser.
PDF 비교
Compare the text of two PDFs and see what changed online, free. Runs in your browser.
PDF 편집
Add text, images, shapes and freehand drawings directly on your PDF pages online, free.
PDF 서명
Draw, type or upload your signature and place it anywhere on a PDF page, free online.
PDF 워터마크
Stamp a text or image watermark on your PDF with custom opacity and position, free online.
PDF 페이지 번호
Add page numbers to the header or footer of your PDF with full style control, free online.
PDF 자르기
Draw a crop rectangle to trim PDF pages, apply to one page or the whole document, free.
PDF 평탄화
Flatten form fields and annotations into an uneditable PDF online, free. Works in your browser.
이미지를 PDF로
Convert JPG and PNG images into a single PDF document online. Reorder before converting.
PDF를 Word로
Convert PDF to an editable Microsoft Word .docx document online, free, no sign-up needed.
Word를 PDF로
Convert .docx or .doc Word files to PDF format online, free, no sign-up needed.
PDF를 이미지로
Export every page of a PDF as a PNG image, bundled in a downloadable ZIP file, free online.
PDF 이미지 추출
Extract all embedded images from a PDF and download them as a ZIP archive, free online.
PDF를 텍스트로
Extract selectable text from a PDF online, free. Copy or download as .txt, all in your browser.
이미지 도구
이미지 크기 조정
Resize images to exact pixel dimensions online, free. Lock aspect ratio or set custom width and height.
이미지 자르기
Crop images online for free. Draw a selection rectangle to crop to any size instantly.
이미지 회전·반전
Rotate images 90, 180, 270 degrees or flip horizontally and vertically online, free.
이미지 워터마크
Add a custom text watermark to your image online, free. Control position, opacity, size and color.
이미지 필터
Apply image filters online, free. Grayscale, sepia, warm, cool and more, adjust brightness, contrast and saturation.
사진 편집기
Free online photo editor. Add text, stickers, emojis and frames. Create collages and social media posts for Instagram, Stories and more.
밈 생성기
Add top and bottom text to an image and download the meme.
색상 팔레트 추출
Extract the dominant colors from any image to build a palette.
EXIF 메타데이터 뷰어
View the camera, date and GPS metadata inside your photos.
SNS 이미지 크기 조정
Resize images to exact sizes for Instagram, YouTube, Twitter and more.
이미지 변환
Convert images between JPG, PNG and WebP formats online, free. No upload needed, runs in your browser.
이미지를 Base64로
Convert any image to Base64 encoded string online, free. Output as raw Base64, Data URL, CSS background or HTML img tag.
Base64를 이미지로
Convert Base64 string or Data URL back to an image file online, free. Download as PNG, JPG or WebP.
JSON 도구
텍스트
단어 수 세기
Count words, characters, sentences, paragraphs and reading time online, free. Live results as you type, 100% in your browser.
대소문자 변환
Convert text to UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case or kebab-case online, free and instant.
숫자를 단어로
Convert numbers to words, with currency mode.
로렘 입숨 생성기
Generate Lorem Ipsum placeholder text online, free. Choose paragraphs and words per paragraph, then copy.
텍스트 정리기
Clean up text online, free: remove extra spaces, trim lines and strip blank lines instantly in your browser.
슬러그 생성기
Convert any text or title into a clean URL slug online, free, lowercase, hyphenated, accent-safe.
텍스트 음성 변환
Convert text to spoken audio in your browser, free. Choose a voice, rate and pitch.
개발자
UUID 생성기
Generate random RFC-4122 version 4 UUIDs online, free. Create one or many unique IDs instantly, entirely in your browser.
비밀번호 생성기
Generate strong, random, secure passwords online, free. Choose length and character types. Cryptographically random, fully in your browser.
해시 생성기
Generate SHA-256, SHA-1 and SHA-512 hashes of text online, free. Computed with Web Crypto in your browser, nothing is uploaded.
가짜 데이터 생성기
Generate fake names, emails, addresses and more.
파비콘 생성기
Create a favicon from a letter or emoji and download PNGs in every size.
QR 코드 생성기
Generate a QR code from any text or URL online, free. Download as PNG, created entirely in your browser.
메타 태그 생성기
Generate SEO, OpenGraph and Twitter meta tags for your web page online, free. Copy-paste ready HTML.
CSS 그라데이션 생성기
Create CSS linear gradients visually online, free. Pick colors and angle, then copy the CSS.
색상 선택기
Pick a color and get HEX, RGB and HSL values plus a shade scale.
Git 명령어 생성기
Generate the exact git commands for common tasks.
QR 코드 스캐너
Scan a QR code from your camera or an image, free. Decoded entirely in your browser.
Base64 인코딩/디코딩
Encode text to Base64 or decode Base64 to text online, free. Unicode-safe and 100% client-side, your data never leaves your browser.
URL 인코딩/디코딩
Encode or decode URL components online, free. Percent-encode special characters or decode them back, 100% in your browser.
HTML 압축/정리
Minify or beautify HTML code.
CSS 압축/정리
Minify or beautify CSS code.
JavaScript 압축/정리
Minify or beautify JavaScript safely.
YAML을 JSON으로
Convert YAML to JSON and back.
타임스탬프 변환기
Convert Unix timestamps (epoch) to human dates and back online, free. Supports seconds and milliseconds.
색상 변환기
Convert colors between HEX, RGB and HSL online, free, with a live preview. 100% in your browser.
JSON을 스키마로
Convert JSON into TypeScript types, JSON Schema, Zod or Python.
SVG를 코드로
Convert SVG to React JSX, a data URI or CSS background online, free. Works in your browser.
텍스트 암호화/복호화
Password-protect text with AES-256 encryption in your browser.
UTM 링크 정리기
Strip UTM tags and tracking parameters from URLs for clean, private links.
JWT 디코더
Decode a JSON Web Token (JWT) online, free. View the header and payload instantly. Client-side only, your token never leaves your browser.
정규식 테스터
Test and debug regular expressions online, free. See live matches and capture groups against your text, entirely in your browser.
텍스트 비교
Compare two texts and see the differences online, free. Line-by-line added, removed and unchanged highlighting, 100% client-side.
SQL 포맷터
Format, beautify and minify SQL queries.
Cron 표현식 생성기
Build cron expressions with plain-English preview.
HTTP 상태 코드
Searchable reference of every HTTP status code.
비밀번호 강도 검사
Check password strength and crack time live.
시간대 변환기
Convert times across cities and time zones instantly.
마크다운 미리보기
Write Markdown and see the live HTML preview online, free. Great for READMEs and docs, 100% in your browser.
명암 대비 검사기
Check color contrast ratio for WCAG AA and AAA accessibility online, free, with a live text preview.
HTML 실시간 미리보기
Write HTML, CSS and JavaScript and see it render live.
XML 포맷터
Beautify, indent, minify and validate XML online, free. 100% in your browser.
SVG 최적화
Optimize and shrink SVG files online, free. Strip metadata and whitespace in your browser.
생산성
계산기
백분율 계산기
Calculate percentages online, free: what is X% of Y, X is what percent of Y, and percentage increase or decrease.
나이 계산기
Calculate your exact age in years, months and days from your date of birth, free and instant.
BMI 계산기
Calculate your Body Mass Index (BMI) from height and weight online, free, with the healthy-range category.
팁 계산기
Calculate tip amount and split the bill between people online, free and instant.
대출 계산기
Calculate monthly loan EMI, total interest and total payment online, free. For home, car and personal loans.
날짜 차이
Calculate the difference between two dates in days, weeks, months and years online, free.
단위 변환기
Convert length, weight and temperature units online, free, metres, feet, kg, pounds, Celsius, Fahrenheit and more.
환율 계산기
Convert between 150+ world currencies with daily exchange rates.
게임
2048 게임
Slide tiles to reach 2048.
뱀 게임
Classic snake, arrow keys or swipe.
플래피 버드
Flappy Bird online. Tap to flap through the pipes.
테트리스
Classic Tetris online. Clear lines, level up.
공룡 게임
The Chrome offline dinosaur game. Jump the cacti, duck the birds.
벽돌깨기
Breakout brick-breaker online. Bounce the ball and smash every brick.
메모리 게임
Flip and match all the pairs.
타자 속도 테스트
Test your typing speed and accuracy.
지뢰찾기
Classic Minesweeper online. Clear the board without hitting a mine.
단어 맞히기
Wordle-style word game. Guess the hidden five-letter word in six tries.
틱택토
Play Tic-Tac-Toe online vs the computer or a friend.
사이먼 게임
Simon Says memory game online. Repeat the growing color pattern.
반응 속도 테스트
Test your reaction time online. Click when the screen turns green.