Local · Private · Free

Image Converter

Convert between PNG, JPG & WebP with a quality slider. Everything runs on your machine — nothing is uploaded.

Drop images here
or click to browse — PNG, JPG, WebP, GIF, BMP
🔒 Files never leave your browser
Only affects JPG & WebP.
JPG has no transparency — flattened onto this colour.

Convert images without the upload

Other "free" converters push your images to a server first. HeroTools decodes and re-encodes everything locally with your device's canvas — instant, fully private, and offline-ready. Single & multi-file conversion and one-click ZIP export of the whole batch are all completely free.

About Image Converter

Image Converter is a free, private image tool that runs entirely in your web browser. Convert between PNG, JPG, WebP & more, right in the browser. Because everything happens locally on your device, your files and data are never uploaded to a server, there is no sign-up or installation required, and it keeps working offline. It is handy for convert, png, jpg, webp. Like every HeroTool by Digital Heroes, Image Converter is 100% free with no limits.

How to use Image Converter

  1. Open Image Converter — it runs entirely in your browser, with no signup.
  2. Drag and drop your file (or click to browse) — it never leaves your device.
  3. Adjust the options to match exactly what you need.
  4. Copy or download your result — it is free, and your data stays on your device.

Frequently asked questions

Is Image Converter free?

Yes — Image Converter is completely free for everyone. No sign-up, no account and no usage limits.

Is it private? Are my files uploaded anywhere?

No. Image Converter runs entirely in your browser on your own device, so your data never leaves your computer and nothing is uploaded to a server.

Does it work offline?

Yes. HeroTools is a Progressive Web App — once the page has loaded it keeps working offline, and you can install it as an app from your browser.

Do I need to install anything or create an account?

No. Just open the page and start using it. Installing it as an app is optional and only adds offline convenience.

What does Image Converter do?

Convert between PNG, JPG, WebP & more, right in the browser.