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Gomoku — Play Online or vs Computer
Play gomoku on a 15×15 board against the computer (easy, normal, hard), a friend on the same device or online opponents, with quick match, private rooms, chat, renju forbidden-move marks and undo.
Korean–English Keyboard Converter
Fix text typed with the wrong input language on the Korean 2-set (Dubeolsik) keyboard, e.g. “dkssud” back to Korean, in either direction.
Excel Viewer — Open XLSX & CSV Files
Open xlsx, xls and csv files without Excel, an install or a login. Sheet tabs, date formats, merged cells and search — files stay in your browser.
YouTube Timeline Maker
Make per-song YouTube timestamps for music compilation (playlist) videos. Chain start times from music files or a pasted track list, with chapter-rule checks. Files are never uploaded.
Meta Muse Invite Codes — Get 1B Tokens
Copy a Meta AI Muse invite (referral) code to enter within 48 hours of signing up, or share your own. New codes keep coming in. The token bonus is set by Muse and may change.
AI Model Leaderboard
Compare AI models by category scores, value and speed from LiveBench and OpenRouter data, refreshed daily with the date shown, plus image and video rankings.
Split Image
Cut a large image into a grid or fixed heights and save the pieces in order. Runs in your browser with no upload.
Poster Tiling
Split a big image across several sheets with overlap so the tiles line up when taped. Runs in your browser with no upload.
Hourly Pay & Work Hours (Korea)
Turn clock-in and clock-out times into hours and pay with South Korea’s statutory night, overtime and holiday premiums, and convert to daily, weekly and monthly pay.
Keyboard Tester
Press each key to spot dead ones on an on-screen layout, and measure how many keys register at once (rollover).
Date Poll
Pick candidate dates, share a link, let everyone mark the days they can make and see the overlap. No login; polls are deleted after 60 days.
Fuel Cost Calculator — Trip Split
Work out fuel cost from distance, mileage and fuel price, add tolls and split it per person. For trips within Korea you can look up the route distance and tolls.
Color Blind Test: Red-Green, Blue-Yellow
A free color vision screening test with dot plates generated fresh each time. Pick the gap in a ring, so no reading is needed. For reference only, not a diagnosis.
Audio Mastering — Loudness for AI Music
Bring AI-made songs (Suno, Udio) or your own recordings to a loudness target such as −14 LUFS with a true-peak ceiling. Process an album with one setting, compare at equal loudness, save WAV or MP3. Nothing is uploaded.
Printable Calendar & Planner
Make and print calendars with South Korean public and substitute holidays (confirmed for 2026–2027), plus a weekly study planner and class timetable.
HWP Viewer & Editor
Open, edit and save Korean HWP and HWPX documents without installing anything. Runs in your browser with no upload.
Nickname Generator
Generate cute, cool or gaming nicknames in Korean or English, plus Instagram handles, in bulk and within your length limit.
Pregnancy Week & Due Date Calculator
Find how many weeks and days pregnant you are and your due date from your last period, conception date or an ultrasound dating.
Typing Practice
Practice Korean or English typing from home-row drills to long passages and measure speed and accuracy. Records stay in this browser; signed-in users can post to the leaderboard.
Spin the Wheel — Random Picker
Add 2–30 options and spin a wheel to pick one fairly, with weighted slices, remove-and-respin and a shareable link.
Korean Appliance Power Bill (KEPCO)
Estimate monthly kWh per appliance and the bill under Korea’s KEPCO residential tariff, including tiers, summer bands, climate and fuel charges, VAT and the power fund.
Stamp Maker
Make a personal name seal or a company seal and save it as a transparent PNG or SVG. Your name is never sent to a server.
Character Counter
Count characters with and without spaces, words, paragraphs and UTF-8 bytes as you type. Nothing you enter is sent to a server.
Signature Maker
Draw your signature with a mouse, finger or pen and save it as a transparent PNG. The drawing is never uploaded.
UtilPick is a free collection of online tools
From documents and PDFs to images, calculators, developer and text utilities: 205 everyday tools in one place. Use them right in your browser, with no install and no sign-up.
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