Smaller images mean faster pages. WebP often delivers the same visual quality as PNG at a fraction of the file size — ideal for blogs, storefronts, and landing pages.
Tip
Use WebP for photos and complex graphics on the web. Keep PNG when you need lossless transparency in design handoffs.
Why convert PNG to WebP?
- Smaller files — faster LCP and lower bandwidth.
- Broad browser support — all modern browsers decode WebP.
- Quality control — adjust compression before you ship assets.
Convert online (free)
Try PNG → WEBP free
Quick checklist
- Export or download your PNG.
- Choose WebP as the output format.
- Download the result and replace assets on your site.
FAQ
Frequently asked questions
- How do I convert PNG to WebP?
- Upload your PNG file using the converter above, confirm WebP as the output format, and click Convert. Download your WebP file when processing completes — usually within a minute for typical file sizes.
- Is PNG to WebP conversion free?
- Yes. LunaConvert offers free conversion with a 50 MB file limit and 30-minute file retention. No account is required for the local MVP.
- Are my files kept private?
- Files are transferred over HTTPS, processed on isolated workers, and automatically deleted after 30 minutes. We do not use your files for training or share them with third parties.
- What is the maximum file size?
- Free tier supports files up to 50 MB. Larger files and extended retention will be available with paid plans in a future release.
- Why did my conversion fail?
- Common causes include corrupted PNG files, unsupported codecs inside the container, or exceeding size limits. Try re-exporting the source file or use a shorter clip, then convert again.