Scan QR codes using your camera or by uploading an image. Fully client-side.
Generate QR codes instantly from any text, URL, or contact information. Customize size and download as PNG — no account or API needed.
Calculate monthly payments, total interest, and view a full amortization schedule for any loan. Supports fixed-rate mortgages, auto loans, and personal loans.
Generate random numbers within any range. Choose integers or decimals, ensure uniqueness, and generate multiple numbers — ideal for simulations, lotteries, and testing.
Track live cryptocurrency prices, view 7-day sparkline charts, and convert between crypto and fiat currencies. Powered by the free CoinGecko API — no API key needed.