Utilities tools

16 free online tools in Utilities: QR codes, colors, passwords and quick calculators. Runs in your browser, no sign-up.

• QR Generator: Create a QR code for a link, text or Wi-Fi network.
• Color Converter: Convert colors between HEX, RGB and HSL, with a picker.
• Password Generator: Generate a strong random password.
• Calculator: A scientific calculator for quick math.
• Unit Converter: Convert length, weight, temperature, area, volume, speed, time and data size.
• Percentage Calculator: Find a percentage of a number, what percent one number is of another, or percent change.
• Number Base Converter: Convert a number between binary, octal, decimal and hexadecimal.
• Date & Time Calculator: Find the days between two dates, or add/subtract time from a date.
• Random Number Generator: Generate one or many random numbers in a range, with an optional no-duplicates mode.
• Tip Calculator: Split a bill with tip across any number of people.
• Color Contrast Checker: Check two colors against WCAG AA/AAA contrast requirements.
• Symbols & Characters: Browse and copy arrows, punctuation, math and other special characters.
• QR Scanner: Decode a QR code from an uploaded photo or screenshot.
• Favicon Generator: Generate a full set of favicon PNG sizes from one image.
• Color Palette Generator: Generate a palette from a base color (6 schemes) or pull the dominant colors out of a photo.
• Gradient Generator: Build a linear or radial CSS gradient with a live preview.