Featured article
BIP39 Seed Phrase Generator: Create and Understand Recovery Words
Explore a BIP39 seed phrase generator with 12–24 words, browser-local generation and checksum checks. Learn how recovery phrases and safe backups work.
Read article
Latest articles
Browse articles
How to Center Text in HTML: CSS Examples and Fixes
To center text in HTML, apply the CSS declaration text-align: center; to the block containing the text. For example, <p style="text-align: center;">Hello</p> centers…
How to Convert HTML to PDF: Browser and Code Examples
To convert HTML to PDF once, open the page in a browser, choose Print and select a PDF destination. For repeated exports, use…
Is HTML a Programming Language? A Practical Answer
HTML is usually classified as a markup language, not a general-purpose programming language. It describes a document’s content and meaning. It does not…
What Does HTML Stand For? The Name Explained
HTML stands for HyperText Markup Language. A browser uses it to make sense of a web document. Which words form the heading? Where…
What Is HTML? A Beginner’s Guide with a Working Example
HTML stands for HyperText Markup Language. It gives a web page its structure and meaning. Which words are a heading? Where does a…
How to Add SEO Keywords in HTML: A Practical Guide
To add SEO keywords in HTML, give the page a descriptive title, explain its subject in the main heading and opening paragraph, and…
Explore HTML5 Doctor
HTML Element Index →
Find the element you need and explore its purpose and usage.
Articles →
Browse guides on HTML, accessibility, forms and web media.
Developer resources →
Explore references and tools for working on the web.