ToolBench

QR Code Generator – Create a Free QR Code Instantly Generate — Scannable Code QR Code Generator Link or text Size Small (200px) Medium (300px) Large (500px) Generate QR Code Download PNG Your QR Code A QR code turns any link or piece of text into a pattern that a phone camera can scan instantly — no app, no typing. This generator creates one in your browser the moment you type, with no watermark, no account, and no limit on how many you create. Where QR Codes Actually Came From QR codes weren't originally built for phones or marketing at all. According to Denso Wave's own official history , the format was invented in 1994 by a small team at the Japanese company, led by engineer Masahiro Hara, to track automotive parts on a factory floor faster than traditional barcodes allo...

Calorie Calculator – Daily Calorie Needs (Mifflin-St Jeor) Free Measure — Body Calorie Calculator Sex Male Female Age (years) Height (cm) Weight (kg) Activity level Sedentary (little to no exercise) Lightly active (1–3 days/week) Moderately active (3–5 days/week) Very active (6–7 days/week) Extra active (physical job or 2x/day training) Readout — BMR (resting) — Maintenance calories — For ~1 lb/week loss — For ~1 lb/week gain Daily calorie needs vary enormously from person to person based on body size, age, sex, and activity level — there's no single universal number. This calculator uses the Mifflin-St Jeor equation, widely regarded as the most accurate standard formula ...

Password Generator – Strong, Random & Secure, Free Generate — Security Password Generator Click Generate Copy Copied to clipboard. Length 16 Uppercase (A-Z) Lowercase (a-z) Numbers (0-9) Symbols (!@#$…) Exclude ambiguous (l 1 I O 0) Generate Password Entropy: — A weak or reused password is one of the most common ways accounts get compromised — not through some sophisticated hack, but simply by being guessed, found in a previous data breach, or reused across too many sites. This generator creates strong, random passwords instantly, using your browser's cryptographically secure random number generator, with nothing ever transmitted or stored anywhere. All generation happens locally in your browser using the Web Crypto API. No password is ever sent to a server, logged, or stored — clos...

Monthly Budget Calculator – 50/30/20 Rule Free Tool Measure — Household Budget Monthly Budget Calculator (50/30/20 Rule) Monthly take-home income ($) Needs — rent, groceries, bills ($) Wants — dining, entertainment ($) Savings & debt repayment ($) Needs 0% (target 50%) Wants 0% (target 30%) Savings 0% (target 20%) Readout — Unallocated / shortfall — Budget balance A budget only works if it's actually balanced — and it's hard to tell whether your spending is reasonable just by looking at raw dollar amounts. This calculator applies the widely used 50/30/20 rule to your real numbers, instantly showing how your needs, wants, and savings compare to the recommended split. What Is the 50/30/20 Rule? The 50/30/20 rule is a simple budgeting framework that divides af...

ROI Calculator – Calculate Investment Return & Annualized Growth Measure — Investment Outcome ROI Calculator Initial investment ($) Final value ($) Holding period (years) Readout — Net profit / loss — Total ROI — Annualized return (CAGR) Return on Investment (ROI) answers one straightforward question: how much did an investment actually gain or lose, measured against what was originally put in? This calculator works out your total return, net profit, and annualized return instantly from real numbers — what you started with and what you ended up with — rather than projecting a hypothetical guaranteed rate. This calculator measures an actual, already-realized gain or loss between two known values — it does not assume, promise, or project any fixed or guaranteed rate of return. All investing carries risk, and past performance never guarantees future res...

Tip Calculator – Calculate Tip & Split the Bill Free Measure — Everyday Money Tip Calculator Bill amount ($) Number of people Tip percentage 10% 15% 18% 20% 25% Or enter custom % Readout $0.00 Tip amount $0.00 Total bill $0.00 Per person Working out a tip and splitting a bill in your head at the table is exactly the kind of quick math that's easy to get slightly wrong, especially with an odd group size or a bill that isn't a round number. This calculator gives you the tip amount, total, and exact per-person split instantly. Why Tipping Isn't Just Optional Extra Money in the US In the United States, tipping plays a structural role in how many service workers are paid, not just a bonus for good service. Under federal law, employers of tipped employees are permitted to pay a di...