What is an image converter?

An image converter is a tool that changes the format of an image file without altering its visual content. PNG, JPG and WebP are the three most used formats on the web, and each has its advantages: PNG preserves transparency and maximum quality, JPG is ideal for photos thanks to its good balance between weight and sharpness, and WebP offers the best modern compression for websites. This tool converts your images locally in the browser, without uploading them to any server.

How to use this tool

Drag an image or click the upload area to select a JPG, PNG, WebP, GIF or BMP file.
Choose the output format: PNG, JPG or WebP.
Adjust the quality with the slider if you chose JPG or WebP (70-90 is recommended for the web).
Press "Convert image" and compare the original size with the result.
Download the converted file with the download button.

PNG, JPG or WebP: which one to choose?

PNG: lossless compression and transparency. Ideal for logos, screenshots, graphics and images with text.
JPG: lossy compression and small files. The best option for photos and renders with many colors.
WebP: modern compression that beats JPG and PNG at the same visual quality. Perfect for optimizing websites and speeding up loading.

Frequently asked questions

Does the conversion lose quality?

It depends on the format: converting to PNG loses no quality, while JPG and WebP use adjustable lossy compression via the quality slider. A high value (85-95) produces visually identical results at a much lower weight.

What happens to transparency when converting to JPG?

The JPG format does not support transparency, so transparent areas are filled with a white background automatically. If you need to keep transparency, use PNG or WebP.

Are my images uploaded to any server?

No. The conversion is performed entirely in your browser using HTML5 Canvas. Your images never leave your device.

Image Converter (PNG, JPG, WebP)