UtilityStack

Calculate exact age from birthdate including years, months, days, and total days lived.

Calculate Body Mass Index from height and weight with health category classification.

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

Calculate compound interest with various compounding frequencies.

Add or subtract days, months, and years from any date.

Calculate final price after discount and total savings amount.

Calculate final grades based on weighted assignments and exams.

Calculate monthly loan payments, total interest, and amortization schedule.

Calculate percentages, percentage increase/decrease, and percentage difference between numbers.

Add, subtract, and calculate duration between times.

Convert between different units of length, weight, temperature, and volume.

View and format CSV data in a table.

Convert JSON to XML format.

Convert JSON to YAML format.

Format and validate XML with syntax highlighting.

Convert XML to JSON format.

Convert YAML to JSON format.

Format and beautify HTML, CSS, and JavaScript code.

Convert between HEX, RGB, HSL color formats.

Pick colors and get HEX, RGB, and HSL values instantly.

Generate cron expressions with a visual interface.

Minify CSS code by removing whitespace and comments.

Convert CSV data to JSON format for APIs and applications.

Interactive searchable Git commands reference guide.

Generate MD5, SHA-1, SHA-256 hashes from text for verification.

Minify HTML code by removing whitespace and comments.

Minify JavaScript code by removing whitespace and comments.

Format, minify, and validate JSON with a clean text output and an expandable tree view.

Convert JSON data to CSV format for spreadsheet applications.

Decode JWT tokens and view header and payload information.

Generate secure random passwords with customizable options.

Generate QR codes from text or URLs for easy sharing.

Test regular expressions with live matching and capture groups.

Format and beautify SQL queries for better readability.

Convert between Unix timestamps and human-readable dates.

Generate random UUIDs (v4) in bulk for development purposes.

Calculate break-even point for business costs and revenue.

Calculate investment returns with compound growth over time.

Calculate monthly mortgage payments and total interest over time.

Calculate gross and net profit margins for business.

Estimate retirement savings based on current age and contributions.

Calculate Return on Investment percentage and profit amount.

Convert between hourly, monthly, and yearly salary rates.

Calculate how long to reach savings goal with monthly contributions.

Calculate income tax based on simple tax brackets.

Generate favicons from uploaded images.

Compress image file size with quality adjustment.

Crop images with adjustable crop area.

Apply filters to images like grayscale, blur, brightness.

Convert images between PNG, JPEG, and WebP formats.

Resize images to specific dimensions client-side.

Generate bcrypt hashes using client-side implementation.

Generate HMAC signatures with various algorithms.

Parse and display information about IP addresses.

Check password strength and provide improvement suggestions.

Encode and decode text to and from Base64 format.

Convert text between uppercase, lowercase, title case, sentence case, and camelCase.

Find and replace text with support for case sensitivity and regex patterns.

Generate placeholder Lorem Ipsum text with customizable length for your projects.

Live preview of Markdown text with formatting and syntax highlighting.

Convert text to URL-friendly slugs for web development.

Compare two texts and highlight the differences between them.

Format text with options like trim, remove extra spaces, and add line numbers.

Encode and decode URLs for safe transmission and readability.

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

Convert between binary, decimal, hexadecimal, and octal.

Convert between different length units.

Pomodoro technique timer with work and break intervals.

Generate random numbers within a specified range.

Simple stopwatch with lap times tracking.

Convert between Celsius, Fahrenheit, and Kelvin.

Convert time between different time zones.

Countdown timer with customizable duration and alerts.

Show current time in multiple time zones.