Slide and merge tiles to reach 2048
Calculate exact age from birth date
Encode and decode Base64 strings instantly
Visually craft CSS box-shadows
Bounce the ball to smash every brick
Unix file permissions — octal and symbolic
Minify JavaScript and CSS
Tints, shades & harmonies from any color
Pick and convert colors (HEX, RGB, HSL)
Project investment growth with contributions
Line up four against a thinking AI
WCAG AA/AAA color contrast testing
Generate cron schedule expressions
Linear, radial & conic gradients with live CSS
Split a large CSV into smaller files, downloaded as a zip
Convert CSV files to formatted JSON
Days, weeks, and exact span between two dates
Final price after discounts, including stacked
Check DNS records (A, MX, NS, etc.)
Merge multiple Excel files into one