Free Online Calculators & Tools
Simple, fast, privacy-friendly calculators and tools. Everything runs in your browser — no data leaves your device.
💰Finance
View all →Compound Interest Calculator
See how compound interest grows your savings over time with regular contributions and different compounding frequencies.
Car Loan Calculator
Calculate monthly car payments, total interest, and compare loan terms for your next vehicle purchase.
Stock Average Calculator
Calculate your average cost per share after multiple purchases. Track dollar cost averaging and profit/loss.
Term Deposit Calculator
Calculate term deposit maturity amount, interest earned, and compare rates across different terms.
Savings Goal Calculator
Calculate how long to reach your savings target, or how much to save monthly to hit your goal on time.
Credit Card Calculator
Calculate installment plan fees, effective APR, and see how minimum payments trap you in compound interest debt.
Freelancer Tax Calculator
Calculate freelancer income tax, GST, BAS installments, and net profit after deductions.
PAYG Tax Calculator
Calculate your Australian take-home pay after income tax, Medicare levy, and super.
Salary Converter
Convert between hourly, daily, weekly, fortnightly, monthly, and annual salary instantly.
Margin Calculator
Calculate gross profit margin, markup percentage, revenue, and profit based on cost.
Break-Even Calculator
Calculate your business break-even point in units and total sales revenue.
VAT Calculator
Calculate VAT inclusive and exclusive prices. Instantly add or reverse VAT from any amount.
Refinance Calculator
Compare current vs new loan rates and see monthly savings, total interest saved, and break-even timeline.
Currency Converter
Convert between 200+ currencies with live ECB exchange rates. Free and instant.
Australia GST Calculator
Calculate GST inclusive and exclusive amounts instantly. Add or remove 10% GST.
❤️Life & Health
View all →BMI & TDEE Calculator
Calculate your Body Mass Index and Total Daily Energy Expenditure for fitness and diet planning.
Date & Business Days Calculator
Calculate days between dates, add or subtract days, and count business days excluding weekends.
Random Picker Wheel
Spin a colorful wheel to randomly pick a name, item, or winner. Great for teachers, streamers, and group events.
Shoe & Clothing Size Converter
Convert shoe and clothing sizes between US, UK, EU, and JP standards. Charts for men, women, and kids.
BMR & Ideal Weight Calculator
Calculate your Basal Metabolic Rate and ideal body weight using four medical formulas. Compare Devine, Robinson, Miller, and Hamwi methods.
Pregnancy Due Date & Ovulation Calculator
Calculate your estimated due date from your last period, track pregnancy week by week, and find your fertile ovulation window.
Age Calculator
Calculate your exact age in years, months, and days. See total months, weeks, hours lived, plus zodiac sign and birthstone.
Pomodoro Timer
A customizable Pomodoro timer with work, short break, and long break phases. Track focus sessions and boost productivity.
Running Pace Calculator
Calculate your running pace, speed, and predicted race times. View per-km or per-mile splits for any distance.
Recipe Multiplier / Divider
Scale recipe ingredients up or down by servings. Paste your ingredient list, adjust portions, and get recalculated amounts instantly.
🏠Property
View all →Mortgage Calculator
Calculate monthly mortgage payments, total interest, and view a full amortization schedule.
NSW Stamp Duty Calculator
Calculate NSW transfer duty for property purchases. First home buyer concessions included.
NSW Dual Occupancy Calculator
Estimate feasibility and profit for dual occupancy developments in NSW.
Rental Yield Calculator
Compare gross and net rental yields to evaluate potential investment properties instantly.
Rent vs. Buy Calculator
Visualize the long-term financial impact of renting versus buying a home in your area.
🛠️Tools
View all →PDF Compressor
Compress PDF files up to 70% smaller — entirely in your browser, no upload needed.
Image Compressor
Reduce JPEG, PNG, and WebP image file size with adjustable quality settings.
PNG to JPG Converter
Convert PNG images to JPEG format instantly. Reduce file size by up to 90%.
JPG to PNG Converter
Convert JPEG images to lossless PNG format with transparency support.
Image to WebP Converter
Convert images to WebP — 25-34% smaller than JPEG at equivalent quality.
Video Compressor
Reduce video file size by up to 70% using H.264 encoding in your browser.
MP4 to MP3 Converter
Extract audio from any video file and save as high-quality MP3.
Audio Converter
Convert between MP3, WAV, OGG, FLAC, and AAC audio formats.
ZIP Creator
Create ZIP archives from multiple files instantly in your browser. No upload needed.
ZIP Extractor
Extract ZIP and GZIP archives online. Preview contents and download individual files.
GZIP Compressor
Compress files with GZIP for web, backups, and data transfer. Typically 60-80% smaller.
Word & Character Counter
Instantly count words, characters, sentences, and reading time for SEO, essays, and translations.
Standard Calculator
A clean and simple calculator for everyday basic math with memory functions.
Scientific Calculator
Advanced calculator with trigonometry, logarithms, exponential functions, and constants.
Programmer Calculator
Developer calculator with real-time HEX, DEC, OCT, BIN conversions and bitwise operations.
Time Zone Converter
Compare multiple time zones, find overlapping business hours, and schedule global meetings effortlessly.
💻Developer
View all →UUID / GUID Generator
Generate version 4 UUIDs (Universally Unique Identifiers) instantly. Free and private.
JSON Formatter & Validator
Format, minify, and validate JSON payloads instantly. An essential developer tool.
Password Generator
Generate cryptographically secure random passwords. Perfect for securing your accounts.
Base64 Image Encoder / Decoder
Convert images to Base64 strings or decode Base64 back into images for fast web rendering.
URL Encoder / Decoder
Encode or decode URLs and URI parameters safely and instantly.
Unix Timestamp Converter
Convert Unix epoch timestamps to human-readable dates and vice versa.
JWT Decoder
Decode JSON Web Tokens (JWT) to view header and payload claims securely.
HTML Entity Encoder
Escape or unescape HTML entities for safe web rendering.
URL Slug Generator
Convert any text or title into a clean, SEO-friendly URL slug.
Text to Image Generator
Convert text and code snippets into beautiful, shareable images with custom backgrounds.
🔒 All tools run 100% in your browser. No data is uploaded to any server.