Blog
Guides, tips, and tutorials on JSON, XML, YAML, CSV, and developer tools
Testing Webhooks and Email Notifications Locally
Webhooks are hard to test on a laptop: an inbound request that cannot reach localhost, and an outbound email you need to receive. Here is the full local testing loop — tunnels, payload inspection, signature checks, and disposable inboxes.
How QA Teams Test With Dozens of Email Accounts (Without Drowning in Inboxes)
A practical guide for QA and testing teams: generate as many working email addresses as your tests need — with plus-addressing, catch-all domains, and disposable inboxes — without cluttering real accounts.
Hash Functions Explained: MD5, SHA-1, SHA-256, and Beyond
Understand how cryptographic hash functions work, the differences between MD5, SHA-1, SHA-256, and SHA-512, and when to use each one.
URL Encoding Decoded: A Developer's Essential Guide
Learn how URL encoding works, why special characters must be encoded, common encoding issues, and how to properly handle URLs in your applications.
TOML vs YAML vs JSON: Choosing the Right Config Format
Compare TOML, YAML, and JSON for configuration files — syntax differences, pros and cons, and which format is best for your specific use case.
JavaScript Formatting and Minification: A Developer's Guide
Learn why code formatting matters, how JavaScript minification works, and the tools and techniques for keeping your code clean and your bundles small.
Base64 Encoding Explained: When and Why to Use It
Understand what Base64 encoding is, how it works internally, when to use it for images, APIs, and email, and when to avoid it.
XML in 2026: Is It Still Relevant for Modern Development?
Explore why XML remains important in enterprise software, document processing, and specific industries despite JSON's popularity in web development.
Understanding JSON Schema: Validate Your Data Like a Pro
A practical guide to JSON Schema — learn how to define schemas, validate API responses, enforce data contracts, and catch errors before they reach production.
CSV Data Handling: Best Practices and Common Pitfalls
Master CSV file handling — learn about delimiters, encoding, escaping, large file strategies, and converting CSV to other formats like JSON and XML.
YAML for Beginners: Mastering Configuration Files
Learn YAML syntax from scratch — indentation rules, data types, anchors, and how to use YAML for Docker, Kubernetes, CI/CD pipelines, and more.
JSON vs XML: Which Data Format Should You Use?
A detailed comparison of JSON and XML covering syntax, performance, use cases, and when to choose one over the other for your projects.
What Is JSON? A Complete Guide for Beginners
Learn what JSON is, how it works, its syntax rules, and why it became the most popular data format for web APIs and configuration files.