Blog
Practical guides on tools, formats, and developer utilities.
JPG vs PNG vs WebP: Which Image Format Should You Use?
A plain-English guide to choosing the right image format. Learn when to use JPG, PNG, or WebP for photos, graphics, logos, and web images.
How to Compress a PDF Without Losing Quality
Learn how PDF compression works, which settings to use, and how to reduce file size while keeping your document looking sharp.
What is Base64 Encoding? A Plain-English Explanation
Base64 pops up everywhere — in emails, APIs, HTML, and CSS. Here's what it actually is, why it exists, and when to use it.
How to Generate a Strong Password (And Why Most People Get It Wrong)
Most password advice is outdated or just wrong. Here's what makes a password actually strong — and how to create one you can remember.
JSON vs CSV vs YAML: Which Data Format Should You Use?
JSON, CSV, and YAML are everywhere — but they're not interchangeable. This guide explains each format, their trade-offs, and when to use which.
How QR Codes Work — and How to Create Your Own for Free
QR codes are everywhere, but most people don't know how they work. This guide explains the technology behind them and shows you how to generate one in seconds.
How to Convert a PDF to Word: A Complete Guide
Converting a PDF to a Word document is trickier than it looks. Here is why, what converts well, and how to get a clean result for free.
Word Count: What It Is, Why It Matters, and How to Use It
Word count affects everything from academic submissions to SEO content strategy. Here is a complete guide to word count and character count for every context.
How to Merge PDF Files: A Step-by-Step Guide
Combining multiple PDFs into one is a task that comes up constantly. Here is how to do it quickly without installing software or paying for a subscription.
How to Resize an Image: The Complete Guide
Resizing images incorrectly makes them blurry, distorted, or too large. Here is how to do it properly for every common use case.