Blog — guides and how-tos

Short, practical guides for everyday file problems.

Why iPhone photos won't open on Windows (HEIC explained)

What the HEIC format is, why Apple uses it, and how to convert it to JPG.

How to reduce image file size without ruining quality

Why photos are so large, and how to shrink them for email, forms and websites.

How to merge PDF files for free (no software needed)

Combine several PDFs into one document in seconds, right in your browser.