Tools for Students
230 toolsTools to boost your study sessions. Transcribe lectures, format text, train your brain with puzzles, generate focus sounds, and practice typing.
Sun & Moon
Find sunrise, sunset, golden hour, day length and the moon phase for any location, with live sun and moon directions on a map. Free.
Meteor Showers
See the next meteor shower, a live peak countdown, and whether the radiant is up, the sky dark and the moon out of the way for your location. Free.
Eclipses
Upcoming solar and lunar eclipses: path of totality on a map, start and maximum times for your city, how much of the Sun is covered and its altitude.
Solar System
Interactive Solar System model: planets in their real positions now, today’s distance to Mars, planetary alignments and your weight on each planet.
Light Pollution Map
See light pollution on a map and tap anywhere for the exact night-sky brightness in mag/arcsec² — find the darkest skies near you. Free.
Wind Map
Watch live animated wind across the globe from the GFS model — wind speed and direction anywhere, with a reading for your own location. Free.
Flight Tracker
Track aircraft in real time on a live map and find any flight by number — with altitude, speed and aircraft type. Free, in your browser.
Flight time
How long the flight takes between two cities and what time you land in local time. Accounts for climb, descent and the jet stream.
Animal Vision Simulator
Pick an animal and a source, then drag the slider to compare your vision with theirs.
Document photo
Upload a front-facing portrait — your face is fitted to the size of the document you pick.
Rock Paper Scissors
Play rock paper scissors with buttons or real hand gestures on camera against an AI that learns from your moves.
Document scanner
Photograph a page with your phone — the edges are found for you, the perspective is straightened, the shadows go, and out comes a PDF that will be accepted in place of a scan.
Storyboard Maker
Draw a shot or pull frames from a video, fill in camera moves and timing, then export a print-ready PDF, an animatic or a shot list.
How Many Days Have I Lived
See exactly how many days you have lived since birth — with weeks, hours, a live counter, milestone dates and your life in weeks. Free.
Cities Game
Name a city; the next must begin with its last letter.
Logic Games for Kids
Free adaptive logic puzzles for kids 5–12: patterns, odd-one-out, analogies, shapes, and deduction. Voice narration and a parent skill report.
Currency Converter
Live mid-market rates, cached 10 minutes to stay fast. Pick a pair and start typing.
Penalty & Interest Calculator
Late-payment penalty & interest calculator: contractual daily/annual rate or Russia Art. 395 key rate, period breakdown, partial payments. Free.
Loan calculator
Loan and mortgage calculator: amortization by actual days, overpayment, effective rate with fees, extra payments, refinancing, savings and tax refund.
Debt Consequences Timeline
A dated timeline of what a missed payment triggers: late fees, charge-off, collections, judgment, garnishment — with the balance owed on each date.
World Counter
Click one button and watch a single live world counter tick upward together. Back your country in the daily click battle. Free, in your browser.
Collaborative book
Write a book together: start a story or add a page to someone else's. Append-only — nobody can delete your page, editable for 24h.
Career Test for Teens
Free RIASEC career test for teenagers. Discover careers that fit your interests, with real pay, job growth and AI outlook for each match. Free.
Ikigai Test
Find your purpose with the ikigai map: 4 directions, the validated Ikigai-9 scale, a personal diagram and a workshop. Online, no sign-up.
