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Featured Tools

BMI Calculator

Calculate your Body Mass Index (BMI) with instant results, ideal weight ranges, and body fat estimates. Perfect for fitness enthusiasts tracking their health metrics.

Drawing Reference Generator

Generate random drawing references with slot machine-style randomness. Get instant combinations of objects and backgrounds to spark your creativity and practice drawing.

Pomodoro Timer

Boost your study sessions with the Pomodoro Technique. Work for 25 minutes, take a 5-minute break, and repeat. After 4 sessions, enjoy a longer 15-minute break. Perfect for maintaining focus and productivity.

Fitness

BMI Calculator

Calculate your Body Mass Index (BMI) with instant results, ideal weight ranges, and body fat estimates. Perfect for fitness enthusiasts tracking their health metrics.

Calorie Calculator

Calculate your daily calorie needs using BMR (Basal Metabolic Rate) and TDEE (Total Daily Energy Expenditure). Perfect for meal planning, weight management, and fitness goals.

Parties

Card Counting Practice Tool

Educational tool for learning card counting mathematics and probability theory. Practice the Hi-Lo counting system, understand game theory concepts, and improve your mathematical skills. This tool is designed for educational purposes to help you understand probability, statistics, and mathematical patterns in card games.

Random Generator

Generate random selections from your list of items. Perfect for picking party activities, choosing dinner options, deciding what to watch, or making any random choice from a list.

Tip Calculator

Calculate tips and split bills instantly. Perfect for restaurants, bars, and group outings. Supports custom tip percentages and bill splitting.

Students

Pomodoro Timer

Boost your study sessions with the Pomodoro Technique. Work for 25 minutes, take a 5-minute break, and repeat. After 4 sessions, enjoy a longer 15-minute break. Perfect for maintaining focus and productivity.

Flashcards

Create and study with interactive flashcards. Add titles and descriptions, flip cards to reveal answers, and track your progress by marking cards as memorized. Perfect for vocabulary, definitions, formulas, and quick recall practice.

GPA Calculator

Calculate your Grade Point Average (GPA) with support for 4.0 and 4.3 grading scales, weighted and unweighted GPAs. Perfect for students tracking their academic performance.

Word Counter

Count words, characters, sentences, and paragraphs in your text instantly. Perfect for essays, articles, social media posts, and any writing project with character limits.

Citation Generator

Generate citations in APA, MLA, and Chicago styles instantly. Perfect for research papers, essays, and academic writing. Supports books, articles, websites, and more.

Job Seekers

Interview Question Generator

Generate common interview questions for practice. Get questions for behavioral interviews, technical interviews, and general job interviews. Perfect for interview preparation and practice.

Salary Calculator

Convert between annual salary, monthly salary, and hourly wage. Calculate take-home pay estimates and compare different compensation structures. Perfect for job offers and salary negotiations.

Artists

Drawing Reference Generator

Generate random drawing references with slot machine-style randomness. Get instant combinations of objects and backgrounds to spark your creativity and practice drawing.

Color Palette Generator

Generate beautiful color palettes instantly. Create random harmonious palettes, monochromatic schemes, or complementary color combinations. Perfect for design inspiration and color schemes.

Color Picker / Converter

Pick colors and convert between HEX, RGB, and HSL color formats instantly. Perfect for design work, CSS development, and color manipulation.

Developers

JSON / YAML Converter

Convert between JSON and YAML formats instantly. Perfect for configuration files, API documentation, and data transformation. Supports bidirectional conversion with syntax validation.

Base64 Encoder / Decoder

Instantly encode text to Base64 or decode Base64 strings back to plain text. Perfect for encoding data, working with APIs, or debugging.

URL Encoder / Decoder

Encode text to URL-encoded format or decode URL-encoded strings instantly. Perfect for encoding URL parameters, query strings, and handling special characters in URLs.

Password Generator

Generate secure, random passwords with customizable length and character types. Perfect for creating strong passwords for accounts, API keys, and security tokens.

JWT Decoder

Decode and inspect JSON Web Tokens (JWT) to view the header, payload, and signature. Perfect for debugging authentication tokens and understanding token structure.

Hash Generator

Generate cryptographic hashes (MD5, SHA-256, SHA-512) from text instantly. Perfect for data integrity checks, password hashing references, and cryptographic operations.

UUID Generator

Generate UUIDs (Universally Unique Identifiers) instantly. Perfect for database IDs, unique identifiers, API keys, and development work.

QR Code Generator

Generate QR codes from text, URLs, or any data instantly. Perfect for sharing links, contact information, WiFi passwords, and more. Download as PNG image.

Epoch Timestamp Converter

Convert between Unix epoch timestamps and human-readable dates instantly. Perfect for debugging, API development, and working with timestamps in various formats.

Text Case Converter

Convert text between different case formats instantly. Supports lowercase, uppercase, title case, sentence case, camelCase, PascalCase, snake_case, kebab-case, and CONSTANT_CASE.

Regex Tester

Test and debug regular expressions instantly. Enter a regex pattern and sample text to see matches, groups, and results in real-time. Perfect for learning regex and validating patterns.

Markdown Preview

Preview markdown formatting in real-time. Write markdown text and see the rendered HTML output instantly. Perfect for writing README files, documentation, and formatted text.

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