A useful corner of the internet
Discover something useful today.
Explore a festival, plan a better trip, look into space, or fix an everyday problem. Start with a curiosity—not a category.
Choose a direction
What sounds good right now?
Go somewhere
Find a festival worth travelling for
Explore celebrations around the world by country and date.
Look up
See what NASA captured today
Open a new window into space with the astronomy picture of the day.
Fix something
Rescue a damaged Excel file
Inspect and clean XLSX workbooks locally in your browser.
More ways to explore
Useful tools with a little personality
A shorter selection of experiences worth opening—not another wall of links.
World Festival Finder
Explore worldwide festivals, holidays, and observances by country and date.
Travel Date Risk Checker
Check trip readiness for a destination and date.
Korea Holiday Calendar
Check Korean public holidays by year.
NASA Picture of the Day
Find NASA's astronomy image for any date.
Excel XLSX Repair Cleaner
Clean broken Excel defined names, links, and calcChain metadata.
World Clock
Search current time across global IANA time zones.
The full library
Looking for something specific?
Instant browser games
Play Games
15 games, no download
Calculators
Numbers, money, health
Text Tools
Count, clean, format
Generators
Names, UUID, random
Converters
Units and currency
Lottery Tools
Number generators
Time Tools
Clock, dates, timers
QR Tools
Codes for links and WiFi
Image Tools
Resize and convert
Color Tools
Colors and CSS
Developer Tools
Code and data
Audio Tools
Tempo and sound
Video Tools
Frames and bitrate