Code Beautifier Blog https://codebeautifier.app/blog Practical guides on JSON, SQL, JWTs, encoding, and DevOps config from the team building privacy-first developer tools. en Base64 is not encryption: what it actually does https://codebeautifier.app/blog/base64-is-not-encryption https://codebeautifier.app/blog/base64-is-not-encryption Base64 is an encoding, not a cipher. What it's for, why it makes data 33% bigger, when to use it, and what to use instead when you actually need secrecy. Fri, 11 Sep 2026 00:00:00 GMT How we built a 100% client-side JSON formatter https://codebeautifier.app/blog/client-side-json-formatter https://codebeautifier.app/blog/client-side-json-formatter Why Code Beautifier never uploads your JSON, how the browser-only architecture works, and what it costs to build a formatter this way. Fri, 11 Sep 2026 00:00:00 GMT Common JSON syntax errors and how to fix them https://codebeautifier.app/blog/common-json-syntax-errors https://codebeautifier.app/blog/common-json-syntax-errors Trailing commas, single quotes, unescaped characters, BOMs, and NaN. The JSON parse errors developers actually hit, what causes them, and the exact fix for each. Fri, 11 Sep 2026 00:00:00 GMT JWT security mistakes that show up in every pentest https://codebeautifier.app/blog/jwt-security-mistakes https://codebeautifier.app/blog/jwt-security-mistakes The alg:none bypass, HS256/RS256 confusion, unverified signatures, secrets in payloads, and missing expiry checks. What actually goes wrong with JWTs and how to avoid it. Fri, 11 Sep 2026 00:00:00 GMT