-
Age Calculator
Calculates age in years, months, and days, plus next birthday countdown.
-
BMI Calculator
Calculates BMI and standard adult BMI category using US customary or metric units.
-
Base64 Tool
Encode text to Base64 or decode Base64 back to text.
-
Bill Split Calculator
Calculates tip amount and splits a bill evenly or by custom shares.
-
CSV To JSON
Convert pasted CSV data into JSON.
-
Color Contrast Checker
Check WCAG contrast ratio between two colors.
-
Color Picker Converter
Pick a color and convert instantly between HEX, RGB, and HSL.
-
Date Diff Calculator
Calculates the difference between two dates/times and converts to a Unix timestamp.
-
Discount Calculator
Calculate the discounted price and savings from an original price and discount percentage.
-
Duplicate Line Remover
Remove duplicate lines from pasted text.
-
Hash Generator
Generate SHA-1/256/384/512 hashes of text.
-
Image Compressor
Compresses and resizes images in the browser before download.
-
Invoice Generator
Browser-only invoice editor with printable preview. No data is saved or transmitted.
-
JSON Formatter
Format, minify, and validate JSON.
-
JSON To CSV
Convert a pasted JSON array of objects into CSV.
-
Loan Calculator
Calculates loan EMI, total interest, and total payment for loans and mortgages.
-
Lorem Ipsum Generator
Generate placeholder Lorem Ipsum text.
-
Name Generator
Generates random display names and usernames.
-
Number Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal.
-
Number To Words
Convert a number into English words, useful for invoices and checks.
-
Password Generator
Generates strong random passwords with configurable length and character sets.
-
Password Strength Checker
Check how strong a password is, entirely in your browser.
-
Percentage Calculator
Suite of common percentage calculations: percent of a number, what percent one number is of another, and percentage increase/decrease.
-
QR Code Generator
Generates a scannable QR code from text or a URL, entirely in the browser.
-
Roman Numeral Converter
Convert between numbers and Roman numerals.
-
Slug Generator
Turn any text into a clean, URL-friendly slug.
-
Stats Calculator
Calculate mean, median, mode, and range from a list of numbers.
-
Tax Calculator
Calculates GST / VAT / sales tax, inclusive or exclusive, with a custom rate.
-
Text Case Converter
Convert text to uppercase, lowercase, title case, sentence case, camelCase, snake_case, kebab-case, and slugs.
-
URL Encoder Decoder
Encode or decode URL/URI components.
-
UUID Generator
Generate random version-4 UUIDs.
-
Unit Converter
Suite of common unit conversions across length, weight/mass, temperature, and volume, in US customary and metric units.
-
Website Performance Audit
Scores any URL on SEO, links, social, security, and technical health, with a shareable report.
-
Whitespace Line Cleaner
Trim, collapse, and clean up whitespace and blank lines in pasted text.
-
Word Counter
Counts words, characters, sentences, and paragraphs as you type.
