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Color ConverterCONVERTER TOOLS
Convert colors between HEX, RGB, HSL, and other formats instantly. Color picker with live preview and one-click copy.
Black & WhiteIMAGE TOOLS
Convert your color photos to black and white. Adjustable contrast and brightness.
Wavelength & Frequency ConverterPHYSICS TOOLS
Convert between wavelength (nm/m), frequency (Hz/THz), and photon energy (eV/J). Visible spectrum color preview.
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