Converter Tools

Convert pixels to inches and inches to pixels at any DPI. Free px to inches calculator for web (96 DPI) and print (300 DPI).

Convert centimeters to inches and inches to centimeters instantly. Free online cm to inches converter using 1 inch = 2.54 cm, with precise results in both directions.

Convert HEX to RGB (and back) with HSL, CMYK, a tint-shade ramp, WCAG contrast cards, and a CSS token snippet - free online color code converter.

Convert Unix timestamps (seconds or milliseconds) into ISO 8601, UTC, and your local date/time. Convert local dates back into Unix seconds and milliseconds. Runs in your browser.

Convert JSON to CSV and CSV to JSON in your browser. Flatten nested objects, unflatten dotted keys on the way back, NDJSON, Excel EU preset, RFC 4180. Nothing is uploaded.

Convert YAML to JSON and JSON to YAML online in your browser. Multi-document streams, Norway-safe YAML 1.2, Docker Compose / GitHub Actions / Kubernetes samples. Nothing is uploaded.

Convert any number into American English words. Free number to words converter for checks, invoices, and forms - runs in your browser.

Convert RGB to HSL and HSL to RGB instantly. Free online color converter with a live swatch and copy-ready rgb() and hsl() CSS.

Convert millimeters to inches and inches to millimeters instantly. Free online mm to inches converter using 1 inch = 25.4 mm, with precise results in both directions.