Security
Guides filed under security. Each one links to the tool it is about.
How to Choose a Password You Can Keep
Long, random, and stored in a manager. Why short clever passwords fail, and how to handle the one site that rejects symbols.
Oct 12, 20265 min
AES Encrypt: Encrypt Text with a Secret Key
What AES encryption is and how to use it safely.
Jul 11, 20266 min
Complete Guide to Hash Functions: MD5, SHA1, SHA256, and SHA512 Explained
When I verify downloads, debug API payloads, or explain integrity checks to junior devs, I reach for the right hash — not the fanciest one. This pillar covers MD5 through SHA-512, worked examples, and our browser tools.
Jul 10, 20268 min
Password Managers and Generators: What You Need to Know in 2026
Why strong, unique passwords matter, how password managers help, and when to use a generator. Simple advice for better account security.
Feb 25, 202610 min
Password Security Best Practices for Developers
How to generate and manage strong passwords for dev environments, APIs, and personal accounts.
Feb 12, 202610 min
Base64 Encoding Explained: When and Why Developers Use It
What is Base64, and why do APIs and browsers use it? A practical guide for developers.
Feb 10, 202610 min
URL Encoder & Decoder: Fix Broken Links and Query Strings
When and why to encode URLs, and how to decode them for debugging and sharing.
May 9, 20256 min
Strong Password Generator: How to Create Secure Passwords
How I generate passwords for new accounts — length, symbols, and why I never reuse them.
May 5, 20256 min
Base64 Encoder & Decoder: When and How to Use
Base64 is not encryption — here's when I actually use it, with a data-URL example and RFC 4648.
Apr 11, 20256 min