Powerful, free tools for everyone — health calculators, math utilities, image converters, PDF generators, and much more.
Calculate your Body Mass Index and understand your weight category.
Find your ideal body weight range based on height and gender.
Predict a child's potential adult height from parents' heights.
Estimate body fat percentage using the U.S. Navy circumference method.
Calculate your Total Daily Energy Expenditure (TDEE) for weight management.
Find your Basal Metabolic Rate — calories burned at complete rest.
Quickly calculate percentages, percentage changes, and ratios.
Calculate your exact age in years, months, days, and more.
Convert images between PNG, JPEG, WebP, and BMP formats — no upload to server needed.
Convert between units of length, weight, temperature, volume, area, and speed.
Convert colors between HEX, RGB, and HSL formats with a live preview.
Encode text or files to Base64, or decode Base64 strings back to plain text.
Convert Unix timestamps to human-readable dates and back. Supports seconds and milliseconds.
Format or minify JSON data with error highlighting and one-click copy.
Generate QR codes for any URL or text. Customize colors and download as PNG.
Create strong, random passwords with custom length and character sets.
Generate placeholder text in paragraphs, sentences, or words for your projects.
Generate random UUID v4 identifiers for your applications.
Count words, characters, sentences, and paragraphs. Includes reading time estimate.
Convert numbers between binary, octal, decimal, and hexadecimal bases instantly.
Calculate monthly payments, total interest, and total repayment for any loan.
Encode special characters in URLs or decode percent-encoded strings.
Convert SVG files to high-resolution PNG or JPEG. Supports 1× to 4× scaling.
Compress video files directly in your browser. Output in WebM format.
Parse and inspect HLS M3U8 stream playlists — master or media type.
Extract and download favicons from any website at multiple sizes.
Preview social sharing cards and extract Open Graph meta tags from any URL.
Capture a screenshot of any public webpage instantly.
