Field notes / DevArea Tools
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Technical guides written around real developer questions: the JWT fields you need to recognize, the shape of a compact token, and the math behind fluid CSS values.
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UPDATED OCT 2026
08JWT / StructureJWT Token Parts Explained: Header, Payload & SignatureLearn the three parts of a JWT token, how Base64url encoding works, what header and payload claims mean, and why decoding does not verify a signature.07JWT / FormatJWT Token Format: How the Compact String WorksUnderstand the JWT token format, the three dot-separated segments, Base64url encoding, common errors, and how to format a token as readable JSON.06JWT / ClaimsJWT Fields Explained: iss, sub, aud, exp, nbf, iat and jtiA practical JWT fields reference covering iss, sub, aud, exp, nbf, iat and jti, their meanings, common timestamp pitfalls, and what applications must validate.05JWT / ToolsJWT Beautifier: Format JSON and Inspect Token ClaimsUse a JWT beautifier to make token data readable. Learn what formatting reveals, how to handle errors, and why a JSON decode is not signature verification.04CSS / GeneratorCSS Clamp Generator: Create Fluid Values for Responsive LayoutsLearn how a CSS clamp generator turns minimum and maximum sizes into a fluid CSS value, how to pick viewport bounds, and how to test the output.03CSS / CalculatorCSS Clamp Calculator: Formula, Slope, Intercept and ExamplesA practical CSS clamp calculator guide: see the formula, calculate slope and intercept, compare rem versus px, and work through a complete fluid-value example.02CSS / TypographyFluid Typography With CSS clamp(): A Practical GuideLearn to design fluid typography with CSS clamp(), choose minimum and maximum font sizes, use rem-based values, test browser zoom, and build a consistent type scale.01CSS / ExamplesCSS clamp() Examples for Font Size, Spacing, Gap and WidthCopy and adapt practical CSS clamp() examples for font sizes, section padding, gaps, margins, border radius and widths, with notes on where each fits.
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