Blog
Practical guides and tutorials on images, PDFs, and everyday file tools — all free, all browser-based.
How Many Words Is a 1, 5, or 10-Minute Speech?
Whether you are preparing a toast, a presentation, or a keynote, knowing how many words fit in a given time is essential. Here are the numbers at every common speaking pace.
2026-05-10
How QR Codes Work and How to Make One
QR codes are everywhere, but few people understand how they store and transmit information. This guide explains the structure, error correction, and how to create your own.
2026-04-22
How to Create a Strong Password (Why Length Beats Complexity)
Password advice has evolved. Forced complexity rules like mixing symbols and numbers often produce weaker passwords than long, memorable passphrases. Here is what the research actually shows.
2026-04-01
Image Resolution, DPI, and PPI Explained
Resolution, DPI, and PPI are among the most misunderstood concepts in digital imaging. This guide clarifies the difference and explains what matters for print and screen.
2026-03-18
HEIC vs JPG: Why iPhone Photos Won't Open (and How to Fix It)
iPhone photos saved in HEIC format often fail to open on Windows PCs, older software, and many websites. Here is what HEIC is and how to convert it to JPG quickly.
2026-03-05
How to Compress Images Without Losing Quality
Large image files slow down websites and fill up storage. This guide explains the practical techniques for making images smaller while keeping them looking sharp.
2026-02-20
What Is OCR and How Does It Work?
OCR (optical character recognition) turns photographs and scanned documents into searchable, editable text. Here is a clear explanation of how it works and what it is good for.
2026-02-12
What Is WebP and Should You Use It?
WebP is a modern image format from Google that delivers smaller files than JPG or PNG with comparable quality. Here is everything you need to know before switching.
2026-02-03
How to Reduce PDF File Size: A Complete Guide
A PDF that is too large to email or upload is a common frustration. This guide explains why PDFs get large and the most effective techniques to shrink them.
2026-01-28
JPG vs PNG: Which Image Format Should You Use?
JPG and PNG are the two most common image formats on the web, but they serve very different purposes. Learn which one to use for photos, logos, screenshots, and more.
2026-01-15