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Technical articles
JavaScript, cybersecurity and web tools. No fluff.
aes-256cryptographyjavascript
How to Encrypt Text with AES-256-GCM in the Browser
Learn to encrypt and decrypt text directly in the browser with AES-256-GCM and PBKDF2 using the native Web Crypto API. No external libraries, 100% private.
May 4, 20267 min
regexjavascriptregular-expressions
Regular Expressions in JavaScript: Complete Guide with Examples
Learn regex from scratch with JavaScript. Full syntax, capture groups, flags, lookaheads and the 10 most useful patterns with real-world examples.
May 4, 20269 min
timestampunixjavascript
What is a Unix Timestamp and the Year 2038 Problem
Understand what Unix time (epoch time) is, how to convert it in JavaScript, and why 32-bit systems will have a problem on January 19, 2038.
May 4, 20266 min
uuidjavascriptcrypto
Generate UUID in JavaScript with crypto.randomUUID()
Learn to generate v4 UUIDs in JavaScript using the native crypto.randomUUID() API. UUID vs GUID differences, when to use them, and how to generate in bulk.
May 4, 20265 min