The DevTools Hub Blog
Practical guides and deep dives on data formats, encoding and developer productivity.
json
fundamentals
What Is JSON and Why It Powers the Modern Web
A practical introduction to JSON — its syntax, common pitfalls, and how formatting and validation fit into a developer's daily workflow.
May 12, 20266 min read
encoding
base64
Mastering Base64 Encoding (and When Not to Use It)
Base64 is everywhere — data URIs, JWTs, email. Learn how it works, why it is not encryption, and how to handle Unicode correctly.
Apr 28, 20265 min read
json
yaml
xml
JSON vs YAML vs XML: Choosing the Right Format
Three data formats, three philosophies. A pragmatic comparison to help you pick the right one for APIs, config and documents.
Apr 10, 20267 min read
security
jwt
auth
Understanding JWTs: Structure, Claims and Security
JSON Web Tokens underpin modern authentication. Learn how they are structured, what the claims mean, and the mistakes to avoid.
Mar 22, 20266 min read