All 48 tools

Validate JSON for errors and format it with custom indentation — all in one tool.

Generate strong, secure random passwords with custom length and character options.

Generate version 4 UUIDs (Universally Unique Identifiers) instantly. Generate up to 20 at once and copy with one click.

Generate secure, random API keys with an optional prefix and configurable length.

Create a QR code from any text or URL and download it as a PNG image.

Generate Code 128, Code 39, EAN-13, and UPC barcodes and download them as PNG or SVG.

Count words, characters, sentences, and paragraphs in your text instantly.

Compare two blocks of text and highlight exactly what was added, removed, or changed between them.

Enter an original price and discount percentage to instantly see the final price and how much you save.

Generate random numbers within any range instantly.

Calculate percentages instantly — find what percent X is of Y, or calculate X% of Y.

Calculate the tip on any bill by percentage and split the total among multiple people.

Convert between common units — centimetres & inches, kilograms & pounds, metres & feet, kilometres & miles.

Convert temperatures between Celsius, Fahrenheit and Kelvin instantly — enter one value and see the other two scales at once.

Calculate your Body Mass Index (BMI) and find out your weight category.

Calculate your exact age in years, months, and days from your date of birth.

Generate random first names, last names, or full names for any purpose.

Add your choices to the wheel and spin for a random result.

Get an instant random Yes or No answer to any question.

Can't decide? Enter your options and let the random picker choose for you.

Calculate your monthly loan instalment, total interest, and total repayment amount.

Calculate your daily calorie needs based on age, weight, height, and activity level.

Calculate how your investment grows over time with compound interest.

Calculate your weighted GPA from course grades and credit hours.

Answer 8 fun questions and discover which 2026 FIFA World Cup nation matches your personality.

Answer 7 quick questions and discover your true spirit animal — from the bold lion to the clever fox.

Fire, Water, Earth or Air? Answer 7 questions to reveal the classical element that matches your personality.

React, Vue, Svelte, htmx or something older? 8 questions to find the framework that matches how you build.

200 OK, 404 Not Found, 418 Teapot or 500 Internal Server Error? 8 questions to find your status code.

Biryani, nihari, chai, karahi or golgappay? Answer 8 questions to find the Pakistani dish that matches you.

Islamabad, Karachi, Lahore, Multan, Peshawar or Quetta? Answer 8 questions to find your Pakistan Super League team.

Python, JavaScript, Rust, Go or something older? Answer 8 questions to find the language that matches how you think.

Karachi, Lahore, Islamabad, Peshawar and more — answer 8 questions to find the Pakistani city that matches your personality.

Spring, Summer, Autumn or Winter? Answer 7 questions to find the season that matches your personality.

Build your own 2026 FIFA World Cup knockout bracket and predict the champion in a few taps.

A free online countdown timer with Pomodoro presets, start/pause/reset, and an alarm when time is up.

Flip a virtual coin online for an instant, fair heads-or-tails result with a running tally.

Convert text to UPPERCASE, lowercase, Title Case, camelCase, snake_case, kebab-case and more instantly.

Convert colors between HEX, RGB, and HSL with a live picker and one-click copy.

Enter an amount and tax rate to instantly see the tax added and the total price you pay.

Pick two dates to instantly see the number of days, weeks, and months between them.

Convert an hourly wage into annual, monthly, weekly, and daily pay in seconds.

See what a dollar amount from one year is worth in another, using official U.S. CPI data.

Generate SHA-256, SHA-1, SHA-384, and SHA-512 hashes from any text, instantly in your browser.

Encode text to Base64 or decode Base64 back to text, with full Unicode support.

Generate placeholder Lorem Ipsum text by paragraphs, sentences, or words.

Write Markdown and see it rendered live, side by side, in your browser.

Shrink JPG, PNG and WebP images in your browser — set the quality, cap the size, see the saving before you download.