How to use the Image Converter
- Add the images you want to convert
- Choose the output format and quality
- Download the converted files
About this tool
Convert images between JPG, PNG and WebP. Batch convert multiple files and download them all as a ZIP. Image Converter is part of ToolNest's collection of free image tools. All processing happens locally in your browser, so your files stay private and nothing is uploaded.
Frequently asked questions
Is the Image Converter free to use?
Yes. Image Converter on ToolNest is completely free, with no sign-up, no watermark and no daily limits.
Are my files uploaded to a server?
No. Image Converter processes your files directly in your web browser on your own device. Your files are never uploaded, stored or seen by anyone, which makes it safe for private and confidential documents.
Is there a file size limit?
There is no fixed limit, but very large files depend on your device's memory and speed. Files up to a few hundred MB usually work well on a modern computer.
Does Image Converter work on mobile phones?
Yes. ToolNest works in any modern browser on Android, iPhone, iPad, Windows, Mac and Linux. There is nothing to install.