Matroska Video. A versatile multimedia container that can hold video, audio, subtitles, and metadata.

The standard ebook format. Supports flowable text content with images and formatting.

A modern image format that offers better compression for the web than JPG or PNG.

Scalable Vector Graphics. An XML-based image format that can scale to any size without pixelation.

A lightweight markup language for formatting plain text. Used all over the web, including in this article!

Similar to JSON but strives to be even more human-friendly. Great for configuration files.

A widely used markup language for encoding documents in a way both humans and computers can read.

Lightweight data interchange format that’s easy for humans to read and write.

For tabular data like spreadsheets. Very simple and universally supported.

A structured collection of data, often with multiple tables. Access, MySQL, and Oracle are big players.