How it works
Values stay in sync both ways: change #RRGGBB or a single channel and the others recompute to the same color. The swatch reflects the result so you can compare with brand palettes before copying HEX or rgb() for CSS.
Related tools
Hash generatorOne-way hashes for arbitrary text—pick MD5 or SHA-256 and copy the hex digest. Nothing is sent to a server.JSON formatterPretty-print minified JSON and validate in one click; invalid input surfaces a clear parser message so you can fix commas, brackets, or quotes.Base64 encode / decodeEncode or decode UTF-8 text with Base64—handy for data URLs, APIs, and quick debugging, all offline in your browser.Slug generatorNormalize Unicode, drop diacritics, and replace spaces with single hyphens—ready for blog posts, IDs, or APIs.