Generate QR codes in multiple artistic styles — square, circle, DSJ, 2.5D, ring, line and more.
Build cron expressions visually with human-readable descriptions and next-run preview.
Generate Nginx website configuration through interactive options, supporting domain, root directory, redirects and other common configuration options.
Decode QR code images via file upload, clipboard paste, or live camera scanning.
Calculate monthly payments and total interest for car loans with equal installment and equal principal methods.