New tools

Latest calculators and simulators added on Outilo. See what is new.

Pick a random winner from a list of participants. Free, instant, no signup. Perfect for contests, giveaways and draw orders.

Create a single- or double-elimination bracket in 2 clicks. Handles byes, loser bracket and live ranking automatically.

Batch-convert images, no upload. JPG, PNG, WEBP, AVIF. EXIF metadata stripped automatically.

See the actual free time you have left, in years and weeks. Sleep, work, commute, screens: all deducted.

Compute surface, tile count and cut margin in under 10 seconds.