Everything you need, right in your browser

Fun and useful web apps — no install, just start.

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🇰🇷 KR

Fun

What Should I Eat?

Beat indecision — spin the wheel for today's meal 🍽️

Free · No install

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🇰🇷 KR

Fun

Lotto Number Picker

Pick 6 lucky lotto numbers with one tap 🎰

Free · No install

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Utility

D-Day Calculator

See how many days until exams, trips, and anniversaries 📅

Free · No install

What Animal Are You? Personality Quiz screenshot

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Fun

What Animal Are You? Personality Quiz

8 quick questions to find your animal type — Dog, Cat, Fox, Panda, Owl, Lion 🐾

Free · No install

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🇻🇳 VN🇮🇩 ID

Games

Snakes and Ladders

Roll the dice, climb ladders, dodge snakes — first to 100 wins! 🎲🐍

Free · No install

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Games

15 Puzzle

Slide the tiles to put numbers 1–15 back in order

Free · No install

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Games

Connect Four (vs AI)

Line up four in a row before your opponent does

Free · No install

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Games

Tic-Tac-Toe (vs AI)

Play classic 3x3 Tic-Tac-Toe against AI or a friend

Free · No install

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Tools

Markdown Live Editor

Write Markdown and see the rendered preview instantly

Free · No install

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Fun

Click Speed Test

Measure how fast you can click (CPS) against the clock 🖱️

Free · No install

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Tools

Hash Generator

Instantly turn text into SHA-1/256/384/512 hashes, ready to copy

Free · No install

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Tools

Unix Timestamp Converter

Convert Unix timestamps ↔ dates in real time, with the current epoch at a glance

Free · No install

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Tools

GUID / UUID Generator

Generate standard unique IDs (UUIDs) in bulk — copy in one tap

Free · No install

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Tools

Data Matrix Generator

Turn text, URLs, or contacts into a square 2D barcode — download in one tap

Free · No install

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Games

Obstacle Runner

Jump and duck past oncoming obstacles in this endless side-scroller

Free · No install

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Games

Stair Climb

Snap-judge left or right to climb an endless staircase

Free · No install

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Productivity

White Noise & Focus Sounds

Mix white, pink, and brown noise with rain for focus and sleep

Free · No install

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Tools

JSON Formatter & Validator

Pretty-print or minify JSON, with exact syntax-error locations

Free · No install

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Tools

QR Code Generator

Turn URLs, text, or Wi-Fi info into a QR code instantly — download in one tap

Free · No install

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🇰🇷 KR

Games

Korean Wordle

Guess a two-syllable word by its jamo — a Korean take on Wordle

Free · No install

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Tools

Image Color Extractor

Pull the key color palette from any photo — in your browser, no upload

Free · No install

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Tools

Color Converter

Real-time HEX/RGB/HSL conversion + auto complementary & analogous palettes

Free · No install

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Fun

Spin the Wheel

Add options and spin — a fair random picker wheel

Free · No install

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Fun

Flip-Dot Display

Turn your text into a retro flip-dot board — pick dot shape, color, flow effect & speed 🟡

Free · No install

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Games

Tank Artillery

Turn-based artillery duel — dial in angle & power, mind the wind! 💥

Free · No install

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Games

Minesweeper

Deduce mines from the numbers — your first click is always safe

Free · No install

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Utility

BMI Calculator

Check your body mass index from height and weight instantly

Free · No install

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Utility

Percentage Calculator

What percent? What's the discount? — 4 handy percent calculations

Free · No install

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Games

Sudoku

Endless puzzles in 3 difficulties — always a unique solution

Free · No install

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Games

Gomoku (Five in a Row)

Play 15-line Gomoku against AI or a friend

Free · No install

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Games

Snake

The classic snake — longer and faster with every bite

Free · No install

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Tools

All-in-One Unit Converter

From length to data — convert 100+ units across 12 categories

Free · No install

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Fun

Ghost Leg (Ladder)

The classic luck-of-the-draw — add names and outcomes, then climb

Free · No install

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Games

Tetris

Play the classic Tetris right in your browser — no install

Free · No install

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Productivity

Meditation — Breathe & Sound

Breathe with a glowing orb while calming ambient sound settles your mind 🧘

Free · No install

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Games

Watermelon Game (Suika)

Merge matching fruits into bigger ones — an addictive physics puzzle. Can you make a watermelon? 🍉

Free · No install

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Tools

Base64 Encoder / Decoder

Instant text ↔ Base64 — Unicode-safe (Korean, emoji…) with a URL-safe option 🔤

Free · No install

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Tools

Base Converter

Convert between binary, octal, decimal, hex and any base 2–36 instantly — exact for huge numbers 🔢

Free · No install

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Games

Mahjong Solitaire

Match and clear identical tiles from the stacked layout — classic puzzle with hint, shuffle & undo 🀄

Free · No install

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Games

Klondike Solitaire

The classic card game Klondike — play in your browser, no install, with undo & draw 1/3 🃏

Free · No install

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Tools

Calculator

From basic arithmetic to trig, logs & powers — a scientific calculator right in your browser 🧮

Free · No install

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Tools

Regex Tester

Test regex live — matches, groups, and replace, right in your browser

Free · No install

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Productivity

To-Do List

A simple to-do you can use right away — auto-saved in your browser

Free · No install

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Games

Memory Match

Flip and match pairs — a card game to test your memory

Free · No install

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Tools

Image Resizer

Shrink photo size — converted in your browser, no upload

Free · No install

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Tools

Password Generator

Strong passwords from cryptographic randomness — never sent to a server

Free · No install

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Utility

Stopwatch & Timer

Stopwatch, timer & HIIT interval timer in one — with dark mode & big-screen view

Free · No install

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Productivity

Pomodoro Timer

25 min focus + 5 min break — get in the zone with the Pomodoro technique

Free · No install

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Fun

Reaction Time Test

Tap the moment the screen changes — how many ms is your reaction?

Free · No install

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🇰🇷 KR

Fun

Korean Typing Test

How fast do you type? Measure your Korean typing speed over 5 sentences

Free · No install

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Utility

Loan Interest Calculator

Equal payment, equal principal, or lump-sum — preview monthly payment & total interest

Free · No install

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🇰🇷 KR

Utility

Age Calculator

Your exact age, Korean age, and days to your next birthday — all at once

Free · No install

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Utility

Character Counter

Count characters with/without spaces and bytes in real time

Free · No install

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🇰🇷 KR

Utility

Take-Home Pay Calculator

Enter your salary to see monthly take-home pay after Korean taxes & insurance

Free · No install

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Games

Pac-Man

Clear every dot while dodging ghosts in this maze arcade

Free · No install

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Games

Breakout

Bounce the ball off your paddle to smash the bricks — an arcade classic

Free · No install

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Games

2048

Slide tiles to merge matching numbers — reach 2048!

Free · No install

What is kimserv?

kimserv is a marketplace of web apps you can use straight from your browser — no install, no sign-up. From practical tools like calculators, timers, and unit converters to mini games like Tetris, Snake, and 2048 and personality quizzes, it offers 50+ apps for free.

Every app is made in-house and runs fast on both mobile and desktop. Apps are grouped into Games, Utility, Productivity, Fun, and Tools — pick what you need and start right away. Available in Korean, English, Japanese, Chinese, Vietnamese, and Indonesian.