Image Formats Explained. JPG, PNG, WEBP, AVIF, SVG — when to use each. The definitive guide to every common image format. Learn when to use JPG, PNG, WEBP, AVIF and SVG, their pros and cons, and how to convert between them quickly. Every conversion runs entirely inside your browser using the Canvas API and (where needed) heic2any, so your photos never touch our servers and stay completely private. Batch-convert hundreds of files at once, fine-tune output quality, resize on the fly and download the results as a single ZIP. There is no signup, no watermark and no daily limit — just a fast, free tool that works on Windows, macOS, Linux, iOS and Android. Whether you need to attach images to email, prepare product photos for Etsy, eBay or Amazon, fix HEIC files exported from an iPhone, shrink screenshots before uploading or convert WEBP to a more compatible format, the right workflow is one click away. Common topics covered here include image formats explained, jpg vs png vs webp, avif format, svg format, image format guide.