Speeding up a slow image-heavy page
Convert every photo to WebP at 80% quality and swap them in. Pages typically load noticeably faster with no visible change for visitors.
JPG to WebP Converter Free
WebP usually produces noticeably smaller files than JPG at the same visual quality.
- 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 JPG to WebP
- 1Add your JPG images.
- 2Choose the WebP quality level.
- 3Press Convert.
- 4Download the WebP files, or a ZIP for a whole batch.
What you get
- Smaller files than JPG at the same visual quality.
- Batch conversion with a single ZIP download.
- Conversion happens on your device.
Tips for better results
- Expect roughly 25-35% smaller files than JPG at the same visible quality — a real page-speed gain.
- Keep the JPG originals if you also need to support very old software; WebP is universal in browsers but not in every desktop app.
- Convert first, then check one image at full size before batching the rest.
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.