Free Online Calculators & Utilities
Calculators, timers, generators, and everyday utilities · no sign-up, no limits.
Percentage Calculator
Calculate percentages, increases, decreases, and "what % of" questions.
Tip Calculator
Calculate tip amount and split the bill between multiple people.
BMI Calculator
Calculate Body Mass Index from height and weight in metric or imperial units.
Age Calculator
Calculate exact age in years, months, and days from any date.
Aspect Ratio Calculator
Calculate and lock aspect ratios for images and video.
Countdown Timer
Set a countdown timer with alerts and fullscreen display.
Stopwatch
Precise stopwatch with lap times, history, and export.
Pomodoro Timer
Focus timer with customizable work/break intervals and session tracking.
Password Generator
Generate secure passwords with custom length, symbols, and complexity.
Password Strength Checker
Test password strength with entropy scoring and improvement tips.
Random Number Generator
Generate random numbers, ranges, and sequences with crypto-strength randomness.
Lorem Ipsum Generator
Generate placeholder text in paragraphs, sentences, or words.
Invoice Generator
Create professional PDF invoices with itemized line items and tax.
QR Code Generator
Generate QR codes for URLs, text, Wi-Fi, and vCards.
WiFi QR Generator
Generate QR codes for instant WiFi connection sharing.
Barcode Generator
Generate barcodes in Code128, EAN-13, UPC-A, and other formats.
Email Signature Generator
Create professional HTML email signatures for Gmail, Outlook, and other clients.
Emoji Picker
Browse, search, and copy emojis by category with skin tone support.
Typing Speed Test
Test your typing speed (WPM) and accuracy with real passages.
Text to Speech
Convert text to spoken audio using browser voices.
Text to Handwriting
Convert typed text to realistic handwriting images with custom fonts.
Compound Interest Calculator
Calculate compound interest with principal, rate, time, and compounding frequency.
Loan Calculator
Calculate loan payments, interest, and amortization schedules.
Receipt Splitter
Split bills and calculate per-person amounts with tip distribution.
Matrix Calculator
Perform matrix operations: addition, subtraction, multiplication, transpose, and determinant.
Scientific Calculator
Advanced calculator with trigonometry, logarithms, and statistical functions.
Date Calculator
Calculate days between dates, add/subtract days, and find day of week.
Duration Calculator
Calculate duration between times with hours, minutes, and seconds.
Number Formatter
Format numbers with thousands separators, decimals, and custom formatting options.
World Clock
See the current time across multiple timezones.
Pixel Ruler
Measure screen distance in pixels.
Bulk Password Generator
Generate multiple strong passwords at once.
About Our Calculators & Utilities
Absolutool offers 21 calculators, timers, and utility tools for everyday tasks. From quick math with the percentage calculator to health checks with the BMI calculator, each tool gives instant results without ads getting in the way.
Productivity fans love the Pomodoro timer and stopwatch. Need a secure password? Generate one with custom rules and check its strength. Create QR codes, barcodes, professional invoices, and placeholder text · all free, all private, all in your browser.