Tutorials

Step-by-step tutorials from nTropi.

How to Convert Images to Base64 for Embedding

Step-by-step guide to converting images to Base64 data URIs for embedding in HTML, CSS, and JSON.

Using the JSON Formatter to Debug API Responses

Learn how to use the JSON Formatter tool to quickly inspect, validate, and navigate API responses.

How to Generate Secure Passwords Online

A step-by-step walkthrough of generating, evaluating, and storing strong passwords using nTropi.

Converting Between Color Formats with nTropi

Learn when and how to convert between HEX, RGB, HSL, and other color formats in CSS and design work.

How to Encode and Decode URLs

Understand percent-encoding and use the URL Encoder/Decoder tool to fix malformed URLs and query strings.

Using the Diff Checker to Compare Text Files

How to use the Diff Checker tool to identify additions, deletions, and changes between two text blocks.