News and Articles
What is Base64 and How Does It Work
Learn in simple terms what Base64 encoding is, how it transforms images and binaries into plain text, where it is used across the web, and why the "=" symbol appears at the end.
TokenToolkit.js: a Local-First JavaScript library for JWT parsing
TokenToolkit.js is an open-source ES6 JavaScript library for JWT decoding and inspection. A local-first, zero-dependency solution for deep parsing, automated timestamp conversion, and structural anomaly analysis in JSON Web Tokens.
new tool launch: JWT Decoder & Inspector
Τhe nKode JWT Decoder & Inspector is online. A local-first utility designed to decode and inspect JSON Web Tokens securely within your browser, featuring real-time temporal validity checking and passive structural heuristics.
The Anatomy of JSON Web Tokens (JWT): What They Are and How They Work
An in-depth technical breakdown of JSON Web Tokens (JWT). This guide explores the core architecture of stateless authentication, deconstructs the three cryptographic components (Header, Payload, and Signature), and addresses critical security paradigms like Algorithm Confusion and token revocation. Perfect for developers looking to implement robust, RFC-compliant session management.
IdCraft.js: javaScript library for generating and inspecting UUID (v4, v7) and NanoID
Generate and analyze cryptographically strong identifiers. Support for UUID v1, v4, v7, and NanoID with metadata extraction and zero dependencies.
The Anatomy of a UUID: Understanding Unique Identifiers
Everything you need to know about UUIDs and GUIDs. From collision probabilities to implementation in modern code, explore why UUID v7 is becoming the new standard for distributed systems.
nKolorLib – JavaScript HSV Color Picker Without Dependencies
Lightweight JavaScript HSV color picker library without dependencies, featuring two picker types and color conversion support.
When prime numbers emerge from motion
Prime numbers emerge as a phenomenon from periodic motion. A visual algorithm with rotating circles reveals primes without using division.
nKolor – Linux Color Picker (GTK4)
Linux color picker supporting RGB, HSL and HSV with color history and screen-based selection.
Building a drink management Android app (step by step)
Drink management Android app built with Kotlin, presented step by step through a video tutorial.