Guides

Format names are confusing and the right choice depends on what you need. These short guides explain the common decisions in plain language, and each one links to the tool that does the job.

• WebP vs PNG: which should you use?Transparency, file size, and support — a plain answer.
• What is HEIC, and how do you open it?The iPhone photo format, explained without jargon.
• What compression quality should you use?Where to put the slider, and why 82% is a good start.
• MP4 vs WebM: which video format?Compatibility versus modern-web efficiency.