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단위, 형식, 인코딩을 클릭 한 번으로 전환 — 모두 브라우저 안에서.
52개 도구 이용 가능
Salary ↔ Hourly Converter
Convert a yearly salary to an hourly rate (or the reverse).
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CSV ↔ JSON Converter
Convert between CSV and JSON instantly, in your browser.
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Base64 Encoder / Decoder
Encode and decode Base64 strings in your browser.
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Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes.
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Number to Words Converter
Convert any number into its English word form.
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Roman Numerals Converter
Convert to and from Roman numerals.
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Cooking Measurement Converter
Convert cups, oz, grams, ml, tbsp, and tsp with US and metric options.
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Color Picker from Image
Drop in an image and extract the dominant color palette as hex codes.
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Color Format Converter (HEX / RGB / HSL / CMYK)
Convert any color between HEX, RGB, HSL, and CMYK.
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Temperature Converter (°C / °F / K)
Convert between Celsius, Fahrenheit, and Kelvin — with common reference points.
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Unix Timestamp Converter
Convert Unix timestamps to human dates (and back) in your local time zone.
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Date Format Converter
Convert a date between ISO, US, EU, Unix, and Excel serial formats.
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Print DPI & Resolution Calculator
See how large you can print any image before it goes soft.
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Recipe Scaler (Bake / Cook)
Scale any recipe up or down to your target servings or yield.
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Cake Pan Size Converter
Convert any cake recipe from one pan shape/size to another.
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Dog-to-Human Age Converter
Convert a dog's age to human years with the modern size-adjusted formula.
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Cat-to-Human Age Converter
Convert a cat's age to its equivalent in human years.
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Image Format Converter
Convert PNG, JPG, and WebP images locally.
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Image Resizer
Resize an image to exact dimensions while preserving its ratio.
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Image Compressor
Shrink JPEG and WebP files with visual quality controls.
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Image Cropper
Center-crop images to square, landscape, portrait, or custom ratios.
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Image Rotator
Rotate an image by 90, 180, or 270 degrees.
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Image Flipper
Mirror an image horizontally or vertically.
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Image to Grayscale
Turn any photo or graphic into a grayscale image.
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Sepia Image Filter
Apply an adjustable warm vintage sepia effect.
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Image Blur Tool
Blur an image with an adjustable radius.
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Image Brightness & Contrast
Correct dark, washed-out, or flat images.
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Image Pixelator
Create a blocky pixel-art or mosaic effect.
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Transparent Background Flattener
Place transparent images on a solid background.
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Image Border & Padding Adder
Add colored padding or a clean border around an image.
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Image Watermark Tool
Add a text watermark with position and opacity controls.
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Social Media Image Resizer
Create exact-size images for posts, stories, thumbnails, and covers.
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Image to Data URI
Convert an image file to a copyable Base64 data URI.
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URL Encoder / Decoder
Encode or decode URL components safely.
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HTML Entity Encoder / Decoder
Escape or decode HTML entities without running the markup.
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JSON Lines Converter
Convert JSON arrays to JSONL and JSONL back to JSON.
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CSV to Markdown Table
Turn CSV data into a clean Markdown table.
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Chmod Calculator
Convert Linux file permissions between numeric and symbolic forms.
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Length Converter
Convert metric, imperial, nautical, and typographic lengths.
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Weight & Mass Converter
Convert grams, kilograms, pounds, ounces, stones, and tons.
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Data Size Converter
Convert decimal and binary bytes, KB, MB, GB, KiB, and GiB.
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Speed Converter
Convert mph, km/h, knots, m/s, and pace.
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Pressure Converter
Convert Pa, kPa, bar, psi, atm, and mmHg.
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Area Converter
Convert square units, acres, and hectares.
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Volume Converter
Convert liters, gallons, cubic units, cups, and fluid ounces.
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Energy Converter
Convert joules, calories, watt-hours, BTU, and therms.
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Power Converter
Convert watts, kilowatts, horsepower, and BTU/h.
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Angle Converter
Convert degrees, radians, gradians, turns, and arc units.
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Time Duration Converter
Convert nanoseconds through weeks and years.
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Fuel Economy Converter
Convert MPG, km/L, and L/100 km correctly.
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Kitchen Volume Converter
Convert cups, tbsp, tsp, fl oz, mL, liters for recipes.
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BIP-21 결제 URI 빌더
금액, 라벨, 메시지가 포함된 bitcoin: URI 를 만듭니다.
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