Image format guides

Short, practical explanations for choosing and converting image formats.

• HEIC vs JPG

  How HEIC and JPG differ in size, quality, compatibility and editing, and when converting HEIC to JPG makes sense.

• WebP vs PNG

  Compare WebP and PNG for transparency, file size, quality and compatibility, and learn which one fits graphics, screenshots and photos.

• AVIF vs WebP

  AVIF and WebP compared on compression efficiency, features, encoding speed and compatibility, with advice on which to serve.

• How to Convert iPhone Photos to JPG

  Three ways to get JPG photos from an iPhone: change the camera format, convert on the phone, or convert HEIC files in your browser.

• Why Transparent PNGs Lose Transparency as JPG

  JPG cannot store transparency. Learn why transparent areas turn white or black, and how to choose the right background colour.

• Reduce Image File Size Without Ruining Quality

  Practical ways to shrink images: pick the right format, lower quality sensibly, resize to the display size, and strip what you do not need.