Technical guides that stay practical.

Walkthroughs, troubleshooting notes and explanations designed to end with something you can actually try.

Developer

How to Decode a Data URI Back Into an Image

Extract and inspect an image embedded in a data URL by identifying its MIME type, Base64 marker, payload, and common copy-paste errors.

Sep 20, 2026 · Read guide →

Developer

How to Turn CSV Into Clean JSON for an API or App

Convert spreadsheet-style CSV into predictable JSON by handling headers, empty cells, types, duplicate columns, and quoting correctly.

Sep 20, 2026 · Read guide →

Developer

Base64 Encoding Explained: When to Use It and When Not To

Understand what Base64 actually does, why encoded data gets larger, and when Base64 is appropriate for APIs, email, data URLs, and debugging.

Sep 20, 2026 · Read guide →

Developer

How to Fix Invalid JSON: Common Errors and Examples

Learn how to find and fix invalid JSON quickly, with practical examples of the syntax mistakes that cause most parsing errors. Validate your JSON, correct the problem, and format it for easier debugging.

Sep 20, 2026 · Read guide →