JPG vs PNG vs WebP: Which Image Format Should You Use?
Every image you save has a format, and the choice affects file size, sharpness and where the picture can be used. JPG, PNG and WebP cover most everyday needs. Here is how they differ and how to pick the right one.
JPG: best for photographs
JPG (also written JPEG) is built for photos. It makes files small by discarding detail that the eye does not notice much. That is called lossy compression. The more you compress, the smaller the file and the lower the quality. JPG does not support transparency, so a JPG always has a solid background.
- Use it for: photos, social media pictures, anything where a small file matters.
- Avoid it for: logos, text and sharp graphics, where the compression can leave fuzzy edges.
PNG: best for graphics and screenshots
PNG keeps every pixel exactly as it is, which is called lossless compression. It also supports transparent backgrounds. The price is a larger file, especially for photos.
- Use it for: logos, icons, screenshots, diagrams, and images that need a transparent background.
- Avoid it for: large photos, unless you need perfect quality.
WebP: a modern all-rounder
WebP was designed for the web. It can produce smaller files than JPG or PNG at similar quality, and it supports transparency. Modern browsers and phones show WebP images without any problem, although some older programs cannot open them.
- Use it for: website images where loading speed matters.
- Be careful with it when: you need to send the file to someone who may use older software.
A quick way to decide
- Is it a photo? Use JPG, or WebP for a website.
- Does it need a transparent background? Use PNG or WebP.
- Is it a screenshot, logo or drawing with sharp text? Use PNG.
- Does the file have to open everywhere? JPG and PNG are the safest.
Converting between formats
You can change formats at any time, but remember one rule: converting a JPG to PNG does not bring back the detail that JPG already discarded. It only changes the container. The tools below make the common conversions simple:
- JPG to PNG and PNG to JPG
- JPG to WebP and WebP to JPG
- Image Converter for other formats
Size matters, but so does purpose
The best format is the one that fits your goal. A photo for an email, a logo for a website and a screenshot for a manual all want different things. Keep the original, convert a copy, and compare the result before you use it.