Calorie Calculator – Daily Calories & TDEE
Estimate your daily calorie needs with the Mifflin-St Jeor equation. See BMR, TDEE and calorie targets for weight loss, maintenance or…
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Every guide, news story, tool and page on the site, newest first.
Water Intake Calculator – Daily Water Needs
Find out how much water you should drink each day based on body weight, exercise time and hot weather, in liters, ounces and glasses.
Due Date Calculator – Pregnancy Week & Trimesters
Estimate your baby’s due date from the first day of your last period. See current pregnancy week, trimester dates and estimated conception…
Body Fat Calculator – U.S. Navy Method
Estimate your body fat percentage from height, neck, waist (and hip) measurements using the U.S. Navy method. Includes fat and lean mass.
Percentage Calculator – % Of, Change & Increase
Four free percentage calculators in one: find X% of a number, what percent one number is of another, percentage change, and increase or…
Age Calculator – Exact Age in Years, Months & Days
Calculate your exact age in years, months and days from your date of birth. See total days lived and the countdown to your next birthday.
Date Difference Calculator – Days Between Dates
Find the number of days, weeks, months and years between two dates, including business days. Optionally include the end date in the…
Countdown Timer – Days Until Any Date
Create a live countdown to any date and time: birthdays, holidays, launches or exams. Shows days, hours, minutes and seconds with a…
Word Counter – Count Words, Sentences & Reading Time
Free online word counter. Paste text to count words, characters, sentences and paragraphs, see reading time and find your most used…
Character Counter – Limits for X, SMS, SEO & More
Count characters with and without spaces, lines and bytes. Check your text against limits for X posts, SEO titles, meta descriptions and…
Case Converter – UPPER, lower, Title, camelCase & More
Convert text to uppercase, lowercase, title case, sentence case, camelCase, PascalCase, snake_case, kebab-case and more in one click.
Lorem Ipsum Generator – Placeholder Text
Generate lorem ipsum placeholder text by paragraphs, sentences or words. Perfect for designers, developers and mockups. Copy in one…
Text Diff Checker – Compare Two Texts Online
Compare two blocks of text and highlight added and removed lines or words. Ignore case and whitespace. Free, private difference checker.
Remove Duplicate Lines – Dedupe & Sort a List
Remove duplicate lines from any list. Ignore case, trim spaces, drop empty lines and sort A–Z or Z–A. Fast and private. dedupe unique list…
Slug Generator – Make SEO-Friendly URL Slugs
Turn titles into clean URL slugs. Removes accents and symbols, optional stop-word removal, custom separator and maximum length.
JSON Formatter & Validator – Beautify or Minify
Format, validate and minify JSON online. Pretty-print with 2 or 4 spaces or tabs, sort keys and see the exact line of any syntax error.
Base64 Encode & Decode – Online UTF-8 Converter
Encode text to Base64 or decode Base64 back to text. Full Unicode support, URL-safe option and clear errors for invalid input.
URL Encoder & Decoder – Percent-Encoding Tool
Encode or decode URLs and query strings with percent-encoding. Break a link into protocol, host, path and parameters. percent encoding…
UUID Generator – Random v4 UUIDs in Bulk
Generate random version 4 UUIDs (GUIDs) in bulk using your browser’s secure random generator. Choose uppercase, no hyphens or braces.
Hash Generator – MD5, SHA-1, SHA-256 & SHA-512
Generate MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes from text or files. Fast, private and computed in your browser.
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