Free online tools, web apps and daily puzzles
Calculators, converters and developer utilities, small web apps for your notes, habits and lists, and daily word and number games. The tools and games need no account.
Browse tools by category
Pick a category to jump to its tools in the full list below.
Today's puzzles
New puzzles in 4h 47m New puzzles are ready. Reload the page to play.
Wordle
Guess the 5-letter word in 6 tries. A new word every day.
5 letters · 6 tries
Connections
Create four groups of four. A new puzzle every day.
16 words · 4 mistakes allowed
Spelling Bee
Make as many words as you can from 7 letters. Use the center letter every time.
7 letters · reach Genius to solve
Nerdle
Wordle for math. Guess the 8-character equation in 6 tries.
8 characters · 6 tries
All 49 free tools
Every tool, by category. Each one is free and needs no account.
Text Tools 6 tools
Developer Tools 8 tools
Math Tools 1 tool
Converters 9 tools
Generators 3 tools
Financial Tools 8 tools
Health & Lifestyle 3 tools
Cooking & Baking 5 tools
Date & Time 6 tools
Web apps for everyday tasks
Keep notes, build habits, share a grocery list, track subscriptions, count down to a date or invite wedding guests. Some open straight away; the rest save your work to one free account.
Habit Tracker
A habit tracker that fills in a square for every day you show up
Grocery Lists
A shared grocery list everyone at home can add to
Notepads
Write in a free online notepad, no account needed
Subscription Tracker
A subscription tracker that shows what you pay and when
Countdown Timer
A countdown timer you can share with one link
Wedding Invites
An online wedding invitation your guests can RSVP to
Guides and how-tos
The formulas behind the most-used tools, with worked examples and tips for getting the right result.
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Percentage Calculator: How to Calculate Percentages
Find X% of a number, what percent one number is of another, and percentage change with our free percentage calculator, plus formulas and examples.
Open the Percentage Calculator -
Word Counter: How to Count Words and Characters
Count words, characters, sentences and paragraphs as you type with our free word counter, plus typical limits for essays, meta descriptions and posts.
Open the Word & Character Counter -
JSON Formatter: How to Format and Validate JSON
Format, validate and repair JSON in seconds. Learn the RFC 8259 syntax rules, fix common errors, and pretty-print or minify with our free JSON formatter.
Open the JSON Formatter -
QR Code Generator: How to Make a QR Code for Free
Make a free QR code for a link, Wi-Fi network, email or phone number. Learn what QR codes can hold and how to size and print them so they scan every time.
Open the QR Code Generator -
Time Zone Converter: How to Convert Time Across Zones
Convert any time between New York, London, Tokyo and more with our free time zone converter, plus UTC offsets, daylight saving traps and scheduling tips.
Open the Time Zone Converter -
Loan Calculator: How to Calculate Monthly Payments
Use our free loan calculator to find your monthly payment, total interest and full cost of any fixed-rate loan, with the formula and worked examples.
Open the Loan Calculator
Frequently asked questions
Everything here is free
The tools and games need no account. A free account saves your notes, habits, lists and invitations, and keeps your game streaks on every device.