Preparing a mixed folder of images for one website
Add every file regardless of format, choose WebP at 80%, convert once, and download the ZIP with a consistent set ready to upload.
Convert Images Online Free — JPG, PNG, WebP
Convert any mix of images into JPG, PNG or WebP in one pass.
- Files never leave your device
- No signup, no watermarks
- Works offline once loaded
JPG, PNG or WebP. Everything is processed on your device.
Up to 50 MB per file. Files are processed in your browser.
How to use Image Converter
- 1Add your images.
- 2Pick the output format and quality.
- 3Press Convert.
- 4Download the results.
What you get
- JPG, PNG and WebP
- Batch conversion
- ZIP download
Tips for better results
- WebP is the best default for websites: smaller than JPG at matching quality and supported by every current browser.
- Converting PNG to JPG discards transparency — transparent areas become white.
- Converting a JPG to PNG will not recover quality already lost; it only stops further loss.
Examples
Frequently asked questions
- Are my files uploaded to a server?
- No. This tool runs entirely in your browser using JavaScript. Your file never leaves your device, and nothing is stored by us.
- Does it work on my phone?
- Yes. The tools work in modern mobile browsers on Android and iPhone, as well as on Windows, macOS and Linux desktops.