Guides
Practical advice on image formats, file sizes, and getting the best out of your conversions.
Is it safe to convert files online?
Many converters upload your files to their servers. Here's what to look for, and why ConvertPics doesn't.
12 October 2026
PNG vs WebP: which should you use?
WebP is smaller, PNG works everywhere. Here's when to pick each.
12 October 2026
How to make a JPG smaller for email
Photo too big to attach? A few simple ways to shrink it without it looking bad.
12 October 2026
How to save a WebP image as JPG
Downloaded an image and it's a WebP that won't open? Turn it into a normal JPG in seconds.
12 October 2026
How to convert HEIC to JPG on Windows (free, no software)
iPhone photos showing up as HEIC on your PC? Here's the quickest free way to turn them into JPGs.
12 October 2026
How to turn photos into a PDF on iPhone
Need to send receipts, documents or homework as one PDF? Do it in your phone's browser in under a minute.
12 October 2026
How to reduce image file size without ruining quality
Big images slow down websites and clog up inboxes. Here is how to shrink them sensibly.
12 October 2026
What is WebP, and why should you use it?
WebP is the modern image format built for the web. It makes smaller files than JPG and PNG — here is what you need to know.
12 October 2026
JPG vs PNG: which should you use?
The two most common image formats solve different problems. Here is how to pick the right one every time.
12 October 2026