62 free tools in this category. Page 4 of 6.
Scan QR codes instantly from uploaded images or your webcam. Free online QR code reader that decodes URLs, WiFi credentials, contacts, calendar events, and more.
Solve any quadratic equation with step-by-step solutions. Find real and complex roots, discriminant, vertex, and axis of symmetry. Free instant calculator.
Generate random colors in HEX, RGB, and HSL formats with this free online tool. Create single or multiple color palettes instantly. No signup or download needed.
Generate random letters instantly with this free tool. Choose uppercase, lowercase, or mixed case. Control duplicates and count. No signup required to use.
Generate random numbers instantly with custom ranges, quantities, and sorting. Includes dice presets, duplicate control, and statistics with sum, average, and median.
Generate random English words instantly with this free tool. Filter by word length and category (nouns, verbs, adjectives). No signup required, works instantly.
Instantly remove duplicate items from any list. Paste your data, click once, get unique values. Works with emails, names, CSV data, and any text list.
Convert numbers to Roman numerals and Roman numerals to numbers instantly. Supports values from 1 to 3999 with full validation. Free, no signup required.
Check your camera shutter count to assess usage and remaining value. Free tool for evaluating used cameras before purchase. Supports Canon, Nikon, Sony.
Generate small text with Unicode superscript, subscript, and small caps characters. Free online tool to create tiny text you can paste anywhere, no signup needed.
Convert speed between mph, km/h, m/s, ft/s, knots, and Mach instantly. Shows all conversions at once with a reference speeds table. Free, no signup required.
Spin the wheel to pick a random option from your custom list. Free random decision maker with spin history and frequency tracking. No signup required, works instantly.
Showing 37-48 of 62 tools