The fastest way to convert images between PNG, JPG, and WebP is a browser-based image converter that does the work on your device. Drop a file in, pick the output format, and download the result. No upload, no account, no waiting. Here is how to do it and how to choose the right format.
Convert images in three steps
- Open the Image Converter and add your PNG, JPG, or WebP file.
- Choose the format you want to convert to.
- Download the converted image.
Everything runs in your browser, so your images never leave your device. There is nothing to install and nothing sent to a server.
When to use each format
The format you pick matters more than most people think. Each one is good at a different job.
- PNG: best for transparency and sharp graphics. Use it for logos, icons, screenshots, and anything with crisp edges or a transparent background. PNG is lossless, so it keeps every pixel, but files can be large.
- JPG: best for photographs. It compresses smoothly across millions of colors, which keeps photo files small. The catch is that JPG has no transparency and uses lossy compression, so saving repeatedly can soften detail.
- WebP: best for the web. It usually produces smaller files than both PNG and JPG at similar quality, and it supports transparency too. It is the go-to choice when you want fast-loading pages.
A simple rule: transparency or sharp graphics means PNG, photos mean JPG, and smaller web images mean WebP.
Quality versus file size
Converting is not just about the format name. Lossy formats like JPG and WebP let you trade quality for a smaller file. Higher quality looks better but weighs more, while lower quality shrinks the file at the cost of detail.
For web use, a moderate quality setting on WebP or JPG is usually invisible to the eye and saves a lot of bandwidth. For print or archival work, keep quality high or stay with PNG. One thing to remember: converting a JPG to PNG will not restore detail that JPG already discarded. It only changes the container.
Watch the transparency
The most common surprise when converting is losing transparency. If you convert a transparent PNG to JPG, the transparent areas fill in with a solid color, usually white, because JPG cannot store transparency. If your image needs a see-through background, convert to PNG or WebP instead. The Image Converter handles all of these so you can test the output before you commit.
Related tools
- Image Resizer: shrink or scale an image to the exact dimensions you need before or after converting.
- Favicon Generator: turn a square image into the icon sizes a website needs.
- Favicon Checker: confirm a site is serving its favicon correctly across browsers and devices.
Pick the format that fits the job, drop your file in, and download. Your images stay on your device the whole time.