All free online tools

Loan EMI Calculator

Monthly instalment, total interest and an amortization schedule for any loan.

Mortgage Calculator

Monthly mortgage payment including taxes, insurance and HOA fees.

Compound Interest Calculator

Grow a balance with compounding and regular monthly contributions.

Simple Interest Calculator

Interest and total amount using the I = P × R × T formula.

Salary After Tax Calculator

Take-home pay per year, month and week with your own tax brackets.

Profit Margin Calculator

Profit, margin and markup from cost and price, or a price from a target margin.

Savings Goal Calculator

How much to save each month to hit a goal, or how long it will take.

Discount Calculator

Sale price and savings, with stacked discounts and sales tax.

Tip Calculator

Tip amount and per-person total when splitting a bill.

Percentage Change Calculator

Percentage increase or decrease between two values.

Zakat Calculator

Zakat due on cash, gold, silver and business assets, in any currency.

Age Calculator

Exact age in years, months and days, plus your next birthday.

Percentage Calculator

X% of Y, X is what percent of Y, and X is Y% of what.

Date Difference Calculator

Years, months, days and business days between two dates.

Days Until Calculator

Live countdown of days, hours and minutes to any date.

Unit Converter

Convert length, weight, temperature, area, volume and speed.

BMI Calculator

Body mass index with WHO category and healthy weight range.

Calorie Calculator

Daily calorie needs with the Mifflin–St Jeor equation.

Water Intake Calculator

Daily water target from your weight, activity and climate.

GPA Calculator

Semester GPA from course credits and letter grades.

CGPA Calculator

Cumulative GPA across semesters, weighted by credits.

Grade Calculator

Weighted course grade and the score you need on the final.

Percentage to GPA Calculator

Convert a percentage to a 4.0-scale GPA and letter grade.

Word Counter

Words, characters, sentences, reading time and keyword density.

Case Converter

UPPER, lower, Title, Sentence, camelCase, snake_case and more.

Remove Duplicate Lines

Delete repeated lines while keeping the original order.

Sort Lines

Sort lines alphabetically, numerically, by length or shuffle.

Text to Slug Converter

Turn titles into clean, URL-friendly slugs.

Lorem Ipsum Generator

Placeholder paragraphs, sentences, words or HTML lists.

Text Diff Checker

Compare two texts and highlight added and removed lines.

JSON Formatter & Validator

Pretty-print, minify and validate JSON with error locations.

Base64 Encode / Decode

Encode text to Base64 or decode it back, UTF-8 safe.

URL Encode / Decode

Percent-encode or decode URLs and inspect query parameters.

Regex Tester

Test JavaScript regular expressions with highlighted matches.

Meta Tag Generator

SEO, Open Graph and Twitter card tags with a search preview.

JSON-LD Schema Generator

Structured data for articles, products, FAQs, businesses and more.

Color Palette Generator

Harmonious palettes, tints and shades with contrast checks.

CSS Gradient Generator

Linear, radial and conic gradients with copy-ready CSS.

CSS, HTML & JS Minifier

Shrink CSS, HTML and JavaScript by stripping comments and whitespace.

UUID Generator

Random v4 and time-ordered v7 UUIDs, in bulk.

Hash Generator (SHA-256)

SHA-1, SHA-256, SHA-384 and SHA-512 hashes of text or files.

Image Compressor

Shrink JPG, PNG and WebP files with a quality slider.

Image Resizer

Resize images to exact pixels or a percentage.

Image Format Converter

Convert images between PNG, JPG and WebP.

Image Cropper

Crop images freely or to a fixed aspect ratio.

Image to Base64

Encode an image as a Base64 data URI for HTML or CSS.

Favicon Generator

Favicon ICO and PNG icons from an image or text.

QR Code Generator

QR codes for links, text, Wi-Fi, email and phone, as PNG or SVG.

Password Generator

Strong random passwords with a strength estimate.

Username Generator

Catchy usernames from your keywords and style.

Invoice Generator

Professional printable invoices, saved in your browser.

Random Name Picker Wheel

Spin a wheel or draw random winners from a list.

Pakistan Income Tax Calculator

Salaried income tax in Pakistan under the latest FBR slabs.