Wid9et Blog
Simple, useful guides that explain everyday calculations, files, online tools, gaming and more - without unnecessary jargon.
What Is a Base64 Image and When Is It Useful?
Learn what Base64 image encoding is, why an image can be represented as text, what a data URL looks like, when Base64 is useful and why it increases data size.
What Is JSON Formatting and Why Does It Matter?
Learn what JSON is, how objects, arrays, keys and values work, what pretty-printing and minifying mean and how formatting helps spot invalid JSON.
CSV vs JSON: What's the Difference?
Compare CSV and JSON with simple examples, including how each format stores data and when tables, spreadsheets, APIs or nested data suit one format better.
What Is a Hash? A Simple Guide to Hashing
Learn what hashing does, why the same input produces the same digest, how hashes help verify data and why hashing is not the same as encryption.
What Is a UUID and Why Is It Used?
Learn what UUID stands for, what a UUID looks like, why developers use them as identifiers and how UUIDs differ from simple sequential IDs.
What Is a UTM Link and How Do UTM Parameters Work?
Learn what UTM parameters are, what utm_source, utm_medium and utm_campaign mean and how tagged links help measure marketing traffic.
How to Convert Markdown to HTML
Learn how common Markdown syntax maps to HTML headings, paragraphs, links and lists, and when converting Markdown to HTML is useful.