ToolBench

Unit Converter – cm to Inches, kg to lbs, °C to °F & More Convert — Measurements Unit Converter Length Weight Temperature Volume From ⇄ To Result — Converting between metric and imperial units by hand is one of the most common small frustrations in everyday life — cooking a recipe, checking a shipping weight, understanding a European clothing size, or reading a weather forecast in an unfamiliar unit. This converter handles length, weight, temperature, and volume instantly, updating the moment you type. Why the World Uses Two Different Measurement Systems Most of the world uses the metric system (meters, kilograms, Celsius), while the United States primarily uses the imperial system (feet, pounds, Fahrenheit) for everyday measurements. According to the National Institute of Standard...

Random Name & Number Picker – Free Giveaway Tool Generate — Random Selection Random Name & Number Picker Pick a Name Pick a Number Names or entries (one per line) Remove winner after each pick (for multiple draws) Pick a Winner Reset List Minimum Maximum Generate Number Result — Whether you're picking a winner for a giveaway, assigning tasks fairly among a team, or just need an unbiased random number, doing it by hand invites bias — consciously or not. This tool picks instantly using your browser's random number generator, with no way to influence the outcome. This tool is intended for free giveaways, fair task assignment, classroom activities, and similar organizational uses. It is not intended for and should not be used to...

AdSense Earnings Calculator – Estimate Website Ad Revenue Estimate — Website Revenue AdSense Earnings Calculator By Page Views (RPM) By Clicks (CTR + CPC) Monthly page views Estimated RPM ($) Revenue per 1,000 page views. Typical range: $1–$15. Monthly page views Click-through rate (%) Typical range: 0.5%–3%. Estimated CPC ($) Readout (Estimate Only) — Est. monthly earnings — Est. yearly earnings — Est. daily earnings Two different metrics answer two different questions about website ad revenue: how much you earn per visitor regardless of clicks (RPM), and how much you earn from actual ad clicks (CTR and CPC). This calculator supports both methods so you can e...

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...