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Image Formats Explained: The Complete Guide

HEIC, AVIF, WebP, PNG, JPG, TIFF, GIF, BMP—what's the difference? A practical guide to every image format you'll actually encounter.

Is It Safe to Convert Photos Online? What to Look For

Most online converters upload your files to their servers. Here's how to tell which ones are safe and why client-side tools are better for privacy.

What is HEIC? (And Why Your iPhone Uses It)

HEIC is Apple's photo format—the reason your iPhone photos won't open on half the computers out there. Here's what it actually is and what to do about it.

How to Convert iPhone Photos to JPG — 3 Methods

Your iPhone saves photos as HEIC, which doesn't work everywhere. Here are three ways to get them into JPG format.

HEIC vs JPG: Quality, Size, and Compatibility

HEIC is better in almost every technical way. JPG works everywhere. Here's when to use each.

Why Won't My iPhone Photo Open on Windows? (Fixed)

Your iPhone photo won't open because it's in HEIC format. Here's why that happens and how to fix it in about 30 seconds.

What is WebP? Why Websites Use It

WebP is Google's image format that makes websites faster. Here's why you keep seeing it and what to do when you need a regular JPG.

How to Stop Your iPhone Saving Photos as HEIC

Tired of HEIC compatibility issues? Here's how to make your iPhone save photos as JPG instead, plus the tradeoffs you should know about.

Photo Won't Upload to Instagram? Here's Why

Instagram rejecting your photo upload? It might be a format issue. Here's how to figure out what's wrong and fix it.

AVIF Explained: The Image Format You'll See Everywhere Soon

AVIF is the newest image format taking over the web. Here's what it is, why it matters, and what to do when you encounter one.

Convert Photos Without Uploading: Why It Matters

You don't have to upload your photos to convert them. Here's why client-side conversion is better for privacy and how to find tools that do it right.

Best Free Image Converters Compared (2025)

A look at the most popular free image converters and how they actually work. Spoiler: most of them upload your files to their servers.

CloudConvert Alternative: Private, Free, No Upload Required

Looking for a CloudConvert alternative that doesn't upload your files? Here's a converter that processes everything locally in your browser.

What is TIFF? When You'd Actually Use It

TIFF is an old image format that refuses to die. Here's what it is, why it still exists, and when you might need to convert one.

How to Save WebP Images as JPG in Chrome

Tired of saving images from websites and getting WebP files? Here's how to get JPG instead.

Transfer iPhone Photos to PC (And Actually Open Them)

How to get photos from your iPhone to a Windows PC, including dealing with the HEIC format issue.

Convert GIF to JPG: When and Why You'd Want To

GIFs are great for animations but terrible for photos. Here's when converting to JPG makes sense.

Can Android Open HEIC Files?

Short answer: depends on your phone. Here's how to deal with HEIC files on Android and when you'll need to convert.

PNG vs JPG: When to Use Each

PNG and JPG are both common, but they're designed for different things. Here's when each one makes sense.

BMP to JPG: Dealing with Windows Bitmap Files

BMP files are massive and outdated. Here's why you have one and how to convert it to something reasonable.

Zamzar Alternative: Convert Images Without File Limits

Zamzar has file size limits and requires uploads. Here's a free alternative that processes files locally with no restrictions.