Media
Convert AVIF images to PNG format with transparency support and high quality output
avif-to-pngMedia
Convert AVIF images to TIFF format with lossless quality, compression options, and professional workflows
avif-to-tiffMedia
Convert AVIF images to WebP format with advanced compression options and web optimization
avif-to-webpMath & Numbers
Calculate combinations (C(n,r)) with support for different types: with/without repetition, binomial coefficients, and detailed combinatorial analysis.
combination-calculatorData Processing
Flatten multidimensional arrays into one-dimensional arrays with customizable depth
array-flattenerGeography
Calculate the bearing (azimuth) between two coordinates on Earth
bearing-calculatorHealth
Calculate BMI for children and teens (ages 2-20) with age and gender-specific percentiles
bmi-calculator-kidsGeography
Find the international telephone calling code for any country
calling-codeGeography
Find the capital city of any country
capital-cityUtilities
Convert between different latitude and longitude coordinate formats
coordinate-format-converterGeography
Get detailed information about any country including capital, currency, population, and more
country-infoData Processing
Reorder, remove, and rearrange CSV columns with customizable column positions
csv-column-reorder