Blog
Articles and guides on developer tools, data formats, security, and everyday utilities — from JSON and Base64 to JWT, hashing, and naming conventions.
HTML Encoding and XSS Prevention: A Developer's Guide
Mar 8, 2026 · DevToolsBox
Why escaping is the cornerstone of XSS defense, which characters matter, and the context-specific rules every web developer should know.
What Makes a Password Secure? Strength, Entropy, and Best Practices
Mar 2, 2026 · DevToolsBox
Password strength comes from length and randomness, not from special characters. Here is the math behind strong passwords and how to manage them safely.
Naming Conventions: camelCase vs snake_case vs kebab-case
Feb 24, 2026 · DevToolsBox
Why every programming ecosystem settled on a different case convention, when to use each, and how to convert between them reliably.
Image Compression for the Web: A Practical Guide
Feb 18, 2026 · DevToolsBox
How lossy and lossless compression work, why WebP beats JPEG, and the settings that shrink images without visible quality loss.
MD5 vs SHA-256: Choosing the Right Hash Algorithm
Feb 12, 2026 · DevToolsBox
Why MD5 and SHA-1 are broken, what makes SHA-2 secure, and why hashing passwords is different from hashing files.
Unix Timestamps: A Complete Guide
Feb 6, 2026 · DevToolsBox
What Unix timestamps are, why they ignore timezones and leap seconds, the seconds-vs-milliseconds bug, and the Year 2038 problem.
QR Code Types Explained: URL, vCard, Wi-Fi, and More
Feb 1, 2026 · DevToolsBox
A QR code can carry much more than a link. Here is how the common QR content types work and how to choose the right one for each scenario.
Understanding JWT: Structure, Security, and Common Pitfalls
Jan 25, 2026 · DevToolsBox
How JSON Web Tokens are structured, where their security comes from, and the mistakes that leave authentication systems vulnerable.
JSON Formatting Best Practices for Developers
Jan 20, 2026 · DevToolsBox
Why minified JSON breaks readability, how formatting and validation work, and the conventions that keep your JSON maintainable across teams.
What Is Base64 Encoding and When Should You Use It?
Jan 15, 2026 · DevToolsBox
A practical explanation of how Base64 works, why it inflates data by 33%, and the real-world cases where encoding binary data as text is the right call.