Guides
Practical explanations of the formats and tasks behind our tools — written to actually answer the question, not pad out a word count.
Markdown vs HTML: A Practical Guide for Writers
Markdown is faster to write, HTML is more capable. A look at where the line actually falls, and how to move content between the two without losing formatting.
October 5, 2026UtilitiesHow to Create Strong, Memorable Passwords
Length beats complexity, reuse is the real risk, and password managers change the calculation entirely. What actually makes a password hard to crack.
October 1, 2026DeveloperA Beginner's Guide to Regular Expressions
Regular expressions look like line noise until the pattern clicks. A plain-English walkthrough of the symbols you'll actually use, with testable examples.
September 28, 2026PDFHow to Merge, Split and Compress PDF Files
The three most common PDF tasks, explained: combining files in the right order, pulling out specific pages, and why PDF compression results vary so much from file to file.
September 25, 2026DeveloperJSON vs XML: When to Use Which Format
JSON and XML solve the same problem in different ways. Here's how they actually compare for APIs, config files and data exchange, with concrete examples of when each one wins.
September 22, 2026ImageHow to Compress Images Without Losing Quality
A practical guide to shrinking JPG, PNG and WebP file sizes while keeping images sharp — covering lossy vs lossless compression, format choice, and when resizing beats compressing.
September 20, 2026