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CPF Generator & Validator Generate valid CPF numbers for software testing and validate any CPF instantly. CNPJ Generator & Validator Generate valid CNPJ numbers for software testing and validate any CNPJ instantly. JSON Formatter & Validator Format, minify and validate JSON with precise error messages — right in your browser. Strong Password Generator Create strong random passwords with full control over length and characters — generated locally, never transmitted. Character & Word Counter Count characters, words, lines and paragraphs in real time as you type or paste. Percentage Calculator The three classic percentage problems solved instantly: X% of Y, X is what % of Y, and % change. UUID v4 Generator Generate one or many random UUID v4 identifiers with cryptographic randomness. Image Resizer Resize images to exact dimensions in your browser — the file never leaves your device.
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