Tech Tools
9 free tools
Color Picker from Image
Pick and extract any color from an image instantly. Get HEX, RGB, and HSL values for any pixel. Free online color picker tool at CalcBoom.
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Color Picker
Pick any color and instantly convert between HEX, RGB, HSL, and CMYK formats. Free online color picker tool for designers and developers.
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Contrast Checker
Check color contrast ratios instantly for WCAG 2.1 AA and AAA accessibility compliance. Enter foreground and background hex colors to see if your design passes.
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Hash Generator
Generate hash values from any text using popular algorithms like DJB2, FNV, and simple checksum. Free online hash generator tool – instant results.
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JSON Formatter
Format, beautify, and validate JSON instantly with our free online JSON formatter. Pretty print JSON with customizable indentation and error highlighting.
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Lorem Ipsum Generator
Generate lorem ipsum placeholder text instantly. Choose paragraphs, sentences, or words. Free online lorem ipsum generator with custom length options.
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Password Generator
Generate strong, random passwords instantly with our free password generator. Customize length, characters, and symbols to create secure passwords for any account.
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RGB Color Picker
Pick any RGB color and instantly get its HEX code, HSL values, and CSS snippet. Free online RGB color picker and converter tool at CalcBoom.
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UUID Generator
Generate random UUIDs (v4) instantly with our free online UUID generator. Create single or bulk UUIDs for databases, APIs, and development projects.
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