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31 toolsTimer
Set the perfect time for studying, workouts, or presentations
Pomodoro Timer
25-minute focus sessions with breaks — the Pomodoro technique, one click away
Character Counter
Instant results — character count, word count, even bytes
Password Generator
Generate strong random passwords and check their strength
Calculator
Discounts, ratios, basic math — fast and simple
Notepad
Open it in a pinch — your content is saved even after closing
To-do List
Add tasks, check them off, and keep your day organized
D-Day Calculator
See exactly how many days are left until exams or anniversaries
Team Divider
Enter names and split them into fair teams instantly
Roulette
Add options, spin, and get your result instantly
Protein Calculator
Add today's meals and see your protein intake at a glance
Calorie Calculator
Log what you eat and see today's total calories at a glance
Unit Converter
Convert length, weight, temperature, and volume in a click
Color Palette & Converter
Convert HEX to RGB/HSL and generate matching color palettes
QR Code Generator
Turn any text or URL into a QR code and download it as PNG
Gradient Generator
Build a CSS gradient from your own colors and copy the code
Random Number Generator
Pick a random number in any range, or draw several with no duplicates
Age Calculator
Find your exact age in years, months, and days from your birth date
Date Calculator
Find the days between two dates, or add/subtract time from a date
Percentage Calculator
Percentages, ratios, and increase/decrease rates in one click
BMI Calculator
Check your BMI and general weight category from height and weight
Random Name Picker
Paste a list of names and pick one or several at random
Case Converter
Convert text to UPPERCASE, lowercase, Title Case, or Sentence case
UUID Generator
Generate random UUID v4 identifiers, one or many at once
Lotto Number Generator
Generate random lottery numbers, 1 to 45, no duplicates
JSON Formatter
Pretty-print or minify JSON, with clear error messages
Base64 Encoder/Decoder
Encode text to Base64 or decode Base64 back to text, both ways
Text Diff Checker
Compare two texts and highlight added and removed lines
Typing Speed Test
Measure your typing speed in WPM, with live accuracy
World Clock
See the current time in cities worldwide, and convert between time zones
Unix Timestamp Converter
Convert Unix timestamps to readable dates, and dates back to timestamps
Kanvios — Online Tools You'll Use Every Day
Kanvios is a free collection of online utilities you can use right in your browser — no install required. Count characters while writing, set a timer while studying, split a group into teams — the tools you search for every day, all in one place. No login, no sign-up, no personal data stored.
Every tool supports keyboard shortcuts and dark mode, and your input is auto-saved using the browser's localStorage. Fully optimized for both PC and mobile.
✍️ Writing & Work
Character counter and notepad for drafting and checking length in one place.
📅 Schedule & Goals
D-Day calculator and timer to organize exams, anniversaries, and workouts.
🎉 Gatherings & Games
Team divider and roulette for fair draws and random decisions, made easy.
More Tools Coming Soon
We're always building new free tools for everyday tasks — check back for what's next.