Client Side Tools

Count and analyze HTML tags and elements. Get statistics on tag usage, frequency, and distribution.

Generate random Sudoku puzzles with different difficulty levels. Create printable puzzles and view solutions.

Enter a Sudoku puzzle and get the solution instantly. Input numbers in the 9x9 grid and solve any valid Sudoku puzzle.

Calculate calories and macronutrients for any serving size based on nutrition label values per 100g

Test your geography knowledge by finding countries on an interactive world map

Timer with rotation alerts for grilling, BBQ and cooking. Set total cooking time and rotation intervals to get audio notifications when it's time to flip or turn your food.

Calculate how long it takes for your fingernails to grow to a desired length, or predict nail growth over a time period

Generate audio tones at specific frequencies with different waveforms (sine, square, triangle, sawtooth). Useful for hearing tests, audio calibration, and sound experiments.

Generate various horn sounds including car and truck horns with adjustable volume and duration

Simulate the randomized clicking sound of a Geiger counter with adjustable counts per minute, click sound style, and volume

Identify credit card type by number. Detects Visa, Mastercard, American Express, Discover, JCB, and other card brands as you type.

Identify hash types from hash strings. Supports MD5, SHA-1, SHA-256, SHA-512, bcrypt, Argon2, and many more hash algorithms.

Calculate allowed downtime based on SLA uptime percentage. Supports common SLA tiers like 99.9% (Three Nines) and 99.99% (Four Nines).

Create beautiful custom wedding invitation cards with customizable styles, colors, and text

Create beautiful, customizable birthday party invitation cards with balloons, confetti, and fun designs. Download or print instantly.

Calculate true RAM latency in nanoseconds from memory speed and CAS latency timing

Calculate horse gestation dates, due dates, and track pregnancy progress for mares

Calculate the optimal TV viewing distance based on screen size, or find the ideal TV size for your room. Supports 1080p, 4K, and 8K resolutions.

Type text using an on-screen virtual keyboard with English QWERTY layout. Perfect for touchscreen devices, accessibility needs, or when your physical keyboard is unavailable.

Type Russian Cyrillic text using an on-screen ЙЦУКЕН keyboard layout

Type Estonian text using a virtual on-screen keyboard with Estonian layout. Click keys to type characters including õ, ä, ö, ü without a physical keyboard.

Calculate cosmic radiation exposure during air travel based on flight duration, altitude, and route type

Estimate flight duration between two airports and visualize the route on a map.

Generate random colors with multiple modes including pastel, vibrant, dark, light, warm, cool, neon, earth tones, and color harmony schemes like analogous, complementary, and triadic. Export colors in HEX, RGB, HSL formats or as CSS variables.