All Free Online Tools

Unscramble up to 20 letters instantly using a 270,000+ word dictionary. Filter by length, starting or ending letters, and sort by Scrabble points. Supports wildcards for blank tiles.

Create strong, unique passwords with customizable length, character types, and symbols. Also generates memorable passphrases. Uses cryptographic randomness for true security.

Generate QR codes for URLs, email addresses, WiFi credentials, vCards, and plain text. Download as high-resolution PNG or scalable SVG. Customize colors and error correction level.

Calculate your exact age in years, months, and days. Find the number of days between any two dates. See upcoming milestone birthdays and zodiac sign. Handles leap years accurately.

Calculate what X% of Y is, find percentage change between two values, compare percentage differences, and split tips among any number of people. Quick preset buttons for common tip amounts.

Project how your retirement savings will grow over time. Compare scenarios side by side, toggle inflation adjustments, and visualize your portfolio trajectory with interactive charts.

Calculate monthly payments for mortgages, auto loans, and personal loans. View a full amortization schedule, model extra payments, and see how much interest you can save.

Convert between hundreds of units across length, weight, volume, temperature, and live currency exchange rates. Swap units instantly and save your most-used conversions.

Transform text between lowercase, UPPERCASE, Title Case, Sentence case, slug-case, camelCase, and PascalCase. Includes live word, character, and line counts.

Count words, characters (with and without spaces), sentences, paragraphs, and lines. Estimate reading and speaking time. View top keyword density analysis for SEO optimization.

Calculate your Body Mass Index, Basal Metabolic Rate, and Total Daily Energy Expenditure. Get personalized calorie targets for weight loss, maintenance, or muscle gain based on activity level.

Create beautiful color schemes using complementary, triadic, analogous, and split-complementary harmony rules. Copy HEX, RGB, and HSL codes. Check WCAG contrast ratios for accessibility.

Flip a virtual coin or roll dice from D4 to D100 with realistic animations. Track your history and view heads/tails statistics. Uses cryptographic randomness for fair results.

Spin a colorful wheel to randomly pick names, make group decisions, or select raffle winners. Realistic spin physics, optional "remove winner" mode, and customizable entries.

Beautify, validate, and minify JSON instantly. Features syntax highlighting with color-coded keys, strings, numbers, and booleans. Detects errors with detailed messages. Download or copy results.

Generate unique character names for Dungeons & Dragons, fantasy novels, video games, and creative writing. Choose from 8 races, 6 archetypes, and get titles plus backstory seeds for each character.