IT Explanations

Clear explanations of IT concepts, protocols, architecture and enterprise technologies.

Concepts, protocols and architecture
Infrastructure, cloud and security
Clear explanations and real-world context
For sysadmins, IT admins and MSPs

All Explanations

Understand the technology behind your infrastructure.

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Base64 encoding, with binary data converted into printable text for use in web, email, APIs, and configuration files.

What Is Base64? Binary-to-Text Encoding Explained

Base64 encodes binary data as ASCII text for safe transport over text protocols. Used in email attachments (MIME), data URIs, JWT tokens, and API payloads. Per RFC 4648, it increases data size by ~33%. Base64 is encoding, not encryption.

Jul 20, 20267 min readbeginnerEmanuel De Almeida

Abstract visualization of different software systems connected through API interfaces with data flow elements in blue, teal.

ExplanationApi

What is API? Definition, How It Works & Use Cases

An API (Application Programming Interface) is a contract that lets software components talk to each other. Learn how APIs work, the main types (REST, GraphQL, SOAP, gRPC), and why not every API is a web API.

Jul 5, 202621 min readbeginnerEmanuel De Almeida