Free online tools for everyday tasks
Calculate percentages, count words, compress images or create QR codes without installing anything. Utilio's tools run right in your browser: they're fast, and your data isn't sent to our servers.
- Free
- No sign-up
- Runs in your browser
Calculators
8Percentage calculator
Find X% of a number or what percent one number is of another.Percentage increase calculator
Percent change between two values, and increases or decreases by %.Discount calculator
Sale price, savings and stacked discounts in a moment.Average calculator
Mean, median, mode and weighted average of a list of numbers.Age calculator
Exact age in years, months and days, and days until your birthday.Date calculator
Days between dates, business days, and adding days to a date.Time calculator
Hours worked, adding hours and minutes, and decimal hours.Ratio and proportion calculator
Solve proportions (rule of three) and simplify ratios.
Text tools
5Word counter
Count words, characters and sentences, with reading time.Character counter
Characters with and without spaces, bytes, and X or SMS limits.Case converter
Switch text to uppercase, lowercase, sentence or title case.Remove duplicate lines
Remove repeated lines from a list or text.Text cleaner
Remove double spaces, empty lines, HTML and odd characters.
Image tools
5Compress image
Reduce the file size of JPG, PNG or WebP photos by adjusting quality.Resize image
Change an image's width and height in pixels or percent.JPG to PNG converter
Convert JPG images to PNG, several at once.PNG to JPG converter
Convert PNG to JPG, choosing background and quality.Crop image
Crop photos freeform or to 1:1, 4:3, 16:9 and more.
Generators
5QR code generator
QR codes for links, text, Wi-Fi, email or phone, as PNG or SVG.UUID generator
Instant UUID v4 and v7, in bulk, with a validator.Password generator
Strong random passwords with the length and characters you choose.Random number generator
Random numbers in a range, unique, sorted or with decimals.Lorem Ipsum generator
Placeholder text by paragraphs, sentences or words.
Latest guides
BlogHow to solve proportions without mistakes
Direct and inverse proportions, percentages, multi-step problems and the everyday situations where cross-multiplying gives a wrong answer.
How to calculate the days between two dates
The by-hand method, when to count the last day, how to count business days, and the Excel formulas that do it for you.
How to add hours and minutes
Why time doesn’t add like decimals, how to subtract by borrowing an hour, AM/PM and night shifts, and the minutes-to-decimal table for timesheets.
How Utilio works
Runs in your browser
Calculations and file processing happen on your device. We don't upload your text or your images.
No sign-up
Open a tool and use it. No account to create, no email address to hand over.
Explained with examples
Every tool comes with instructions, formulas and examples so you understand the result.
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