Free Online Tools

Free online timer and stopwatch. Perfect for workouts, cooking, studying, and Pomodoro technique. Set custom timers or track time with millisecond precision.

Count characters, words, sentences, and paragraphs instantly. Real-time text analysis perfect for essays, social media posts, and content writing.

Create strong, secure random passwords instantly. Customize length and character types. 100% secure - generated locally in your browser.

Generate random numbers with custom ranges. Perfect for lottery, dice rolls, games, and statistical sampling. True randomness guaranteed.

Convert text to uppercase, lowercase, title case, sentence case, and more. 7 conversion types for writers, programmers, and editors.

Calculate your exact age in years, months, days, weeks, and hours. Find days until next birthday. Perfect for documents and age verification.

Add or subtract days, weeks, months, and years from any date. Quick presets for common calculations. Perfect for project planning.

Calculate the exact number of days, weeks, and months between two dates. Includes weekday and weekend analysis.

Calculate restaurant tips and split bills easily. Quick tip percentages (10-25%) or custom amounts. Perfect for dining out.

Convert between Celsius, Fahrenheit, and Kelvin instantly. Includes common temperature references and conversion formulas.

Count words, characters, sentences, and paragraphs instantly. Includes reading time estimates and common word count limits.

Convert between metric and imperial length units. Includes mm, cm, m, km, inches, feet, yards, and miles.

Generate realistic random names for characters, stories, games, and testing. Choose male, female, or both.

Generate SHA-256 hashes from any text. 100% secure - all hashing done locally in your browser.

Encode and decode Base64 text instantly. Perfect for developers, APIs, and data URIs. All conversion done locally.

Pick colors and get HEX, RGB, and HSL codes instantly. Includes 21 preset colors and custom color selection.

View current time in 12 major cities worldwide. Real-time updates with time zones and country flags.

Convert time between different time zones worldwide. Perfect for international meetings and travel planning.

Convert between RGB and HEX color codes instantly. Live color preview and bidirectional conversion.

Generate placeholder text in paragraphs, sentences, or words. Perfect for web design and mockups.

Repeat any text multiple times with custom separators. Perfect for testing and formatting.

Reverse text character by character, reverse word order, or reverse lines instantly.

Format, minify, and validate JSON data instantly. Perfect for developers and API testing.

Create countdown timers for events, deadlines, and special occasions. Quick set presets included.

Generate unique UUIDs (GUIDs) instantly. Version 4 (random) or Version 1 (time-based) support.

Encode and decode URLs instantly. Convert URLs to percent-encoded format or decode them back.

Encode and decode HTML entities instantly. Prevent XSS attacks and display code safely.

Generate QR codes instantly from any text or URL. Customizable size with instant preview. Perfect for sharing links and information.

Calculate percentages instantly. Find what % of a number, percentage change, and more. 4 calculation modes included.

Calculate your Body Mass Index (BMI) with metric or imperial units. Includes BMI categories and health information.

Calculate discounts and final prices instantly. Quick buttons for common discount percentages (10-75%).

Convert between length, weight, temperature, and volume units. Comprehensive unit conversion tool.

Calculate monthly payments, total interest, and loan amortization. Perfect for mortgages and personal loans.

Productivity timer with work and break sessions. Customizable work/break durations for focused work.

Compare two texts line by line to find differences. Perfect for code review and document comparison.

Convert Markdown to HTML instantly. Supports headings, bold, italic, links, and images.

Convert CSV data to JSON format instantly. Perfect for data transformation and API integration.

Convert text to binary and binary to text instantly. Perfect for learning and encoding.

Convert between text, decimal, and hexadecimal formats. Multi-directional conversion tool.

Convert numbers to Roman numerals and vice versa. Supports numbers 1-3999.

Convert Unix timestamps to readable dates and vice versa. Current timestamp included.

Generate random 5-color palettes instantly. Perfect for design inspiration and color schemes.

Create CSS linear gradients with custom colors. Live preview and copy CSS code.

Generate CSS box shadows visually. Adjust offset, blur, spread, and color with live preview.

Minify CSS code to reduce file size. Remove whitespace and comments for faster loading.

Minify JavaScript code to reduce file size. Basic minification for faster page loads.

Format SQL queries for better readability. Supports SELECT, JOIN, WHERE, and more.

Format and beautify XML data for better readability. Perfect for developers and data analysts.

Convert YAML data to JSON format instantly. Perfect for configuration file conversion.

Multi-function string manipulation tool. Reverse, count, remove spaces, and more operations.

Check WCAG color contrast ratios between foreground and background colors. Accessibility testing.

Convert images to Base64 encoded strings. Perfect for embedding images in CSS, HTML, or JSON.

Create professional invoices instantly. Perfect for freelancers, small businesses, and contractors.

Build professional resumes instantly. Simple resume creation tool perfect for job seekers.

Scan QR codes from uploaded images. Decode QR codes quickly and easily.

Generate barcodes in multiple formats. Supports Code 128, EAN-13, and UPC-A formats.

Roll virtual dice with custom sides and quantities. Perfect for games, D&D, and decision making.

Analyze text with detailed statistics. Count characters, words, sentences, paragraphs, reading time, and more.

Test regular expressions with real-time matching. Perfect for developers working with pattern matching.

Convert JSON data to XML format instantly. Perfect for data transformation and API integration.

Convert JSON arrays to CSV format. Perfect for data export and spreadsheet import.

Generate HTML tables with custom rows and columns. Includes header option and live preview.

Create markdown tables for GitHub and documentation. Custom rows and columns support.

Format and beautify HTML code with proper indentation. Perfect for code formatting.

Format and beautify CSS code with proper indentation. Clean up minified CSS.

Format and beautify JavaScript code. Make minified code readable again.

Generate lighter and darker shades of any color. Perfect for UI design and color schemes.

Translate text to and from Morse code. Bidirectional conversion support.

Convert between binary, decimal, hexadecimal, and octal number systems.

Advanced scientific calculator with trigonometry, logarithms, and more mathematical functions.

Find and replace text in bulk. Replace all occurrences instantly.

Clean and format text by removing extra whitespace and normalizing line breaks.

Randomize list order. Perfect for shuffling lists and creating random orders.

Count word frequencies in text. See top 20 most common words with counts.

Count character frequencies in text. Analyze character usage patterns.

Convert RGB colors to HSL format. Perfect for color manipulation and design.

Generate 10 random colors with HEX codes. Perfect for design inspiration.

Convert between decimal and binary numbers. Bidirectional conversion.

Generate ASCII art text. Create large text banners from regular text.

Sort lines alphabetically in ascending or descending order.

Remove duplicate lines from lists. Keep only unique entries.

Remove extra whitespace from text. Clean up formatting issues.