Your everyday tools, in one place.

Timer

Set a countdown for focus, cooking, or a quick break.

Stopwatch

Measure elapsed time and record your laps.

Fullscreen clock

A large digital clock you can read from a distance.

Countdown to a date

Find out how many days remain until a special day.

Date calculator

Calculate days between dates or add days to a date.

Age calculator

Calculate your age based on your birthday.

World clock

Compare local times from Seoul to New York.

Discount calculator

Calculate the final price after a discount and coupon.

Unit price comparison

Compare prices even when package sizes differ.

Bundle deal comparison

Compare a buy-two-get-one deal with a regular price.

Split the bill

Split expenses with different people at each round.

Compress an image

Reduce a photo to your target file size.

Resize an image

Set your image’s width and height in pixels.

Crop an image

Crop to a square, 16:9, and other common ratios.

Convert an image

Convert an image to PNG, JPEG, or WebP.

Redact an image

Cover names and sensitive details before sharing.

Random choice wheel

Add your options and let chance choose one.

Random name picker

Choose winners from a list without repeats.

Random team generator

Turn a list of names into balanced team sizes.

What should I eat?

Pick a meal from Korean, Chinese, Japanese, and more.

Character counter

Count characters and words as you type.

Clean up text

Remove extra spaces and empty lines.

Remove duplicate lines

Keep only the first occurrence of each line.

Compound interest calculator

Explore growth with an initial investment and monthly deposits.

Currency converter

Convert USD, EUR, JPY, and currencies around the world.

Gold price & weight calculator

View global gold prices and estimated value per gram or don.

Crypto prices

View Bitcoin, Ethereum, XRP, and other major coins in KRW.

Morse code translator

Convert English text to Morse code and back.

Unit converter

Convert length, weight, temperature, and volume.

QR code generator

Create QR codes for links, text, and Wi-Fi.

Percentage calculator

Calculate percentages, proportions, and percentage changes.

Savings goal calculator

Find a monthly deposit or time needed to reach your goal.

Loan repayment calculator

Compare equal-payment and equal-principal repayment.

Images to PDF

Combine multiple photos into one PDF.

Image color picker

Click an image to copy a pixel’s HEX or RGB color.

Password generator

Generate a random password with your preferred characters.

Interval timer

Repeat work and rest intervals for exercise or focus.