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Calculate cubic yards for pouring slabs and driveways.
Format SQL queries.
Calculate your take-home pay after Income Tax and NI in the UK.
Calculate the total Cubic Meters (CBM) for ocean freight.
Calculate your mandatory monthly statutory deductions.
Estimate the number of bricks and mortar needed for your wall.
Test your internet connection speed directly in the browser. Measure download speed, upload speed, latency (ping), and jitter with animated gauges. Works on mobile and desktop — no app required.
Instantly check if a CPF or CNPJ is mathematically valid.
Convert between world currencies instantly with live exchange rates. Supports Afghan Afghani (AFN), USD, EUR, PKR, IRR, SAR and 10+ currencies with real-time market data.
Generate random numbers.
Test your typing speed.
Regex Tester lets you build and debug regular expressions with live match highlighting. Enter a pattern and test string to see exactly what matches as you type. Perfect for developers fine-tuning validation and search patterns. It runs in your browser.
The Days Calculator instantly counts how many days are between two dates, and shows the result in weeks, weekdays (business days), weekend days, and hours. Switch to the Add / Subtract mode to find the date a set number of days before or after any start date — perfect for deadlines, due dates, contracts, countdowns, and project planning. It is free, instant, and runs privately in your browser.
Generate invoices online.
Convert Japanese real estate sizes to Sq Meters.
Calculate your net salary after German taxes.
Create countdown timers.
Calculate mandatory Canadian payroll deductions.
Calculate lumber volume for purchasing and woodworking.
Decode demographics and verify the Luhn checksum.
Calculate discounts and final prices.
Verify AFIP / ANSES tax identity numbers.
Instantly convert between Gregorian and Phutthasakkarat (BE) years.
Word Frequency Counter analyzes any text and shows how many times each word is used, ranked from most to least frequent, along with totals for words, unique words, and characters. It is perfect for writers checking for overused words, students studying keyword density, and SEOs optimizing content. Everything runs instantly in your browser, so your text stays private and nothing is uploaded.