Why Convert PNG to WebP?
WebP is a modern replacement for heavy PNG assets:
- Smaller Files: Commonly 30–50% smaller than PNG.
- Transparency: Preserves alpha channel like PNG.
- Performance: Faster page loads and lower bandwidth.
- Compatibility: Supported by all major browsers.
How to Convert PNG to WebP Online
- Click Upload PNG and select your file.
- Wait for processing and optimization.
- Click Download WebP to save the result.
Defaults target web-friendly size/quality while keeping edges clean.
WebP vs PNG Comparison
- File Size: WebP is typically 30–50% smaller.
- Transparency: Both support alpha.
- Quality: Similar perceived quality at lower bytes for WebP.
- Compression: WebP uses more efficient codecs.
Supported Limits & Formats
- Accepted input: PNG (
image/png) - Maximum file size: up to 16 MB per file
- Output: WebP (
.webp, MIMEimage/webp) - Encoding: Lossy WebP, quality ≈ 90; transparency preserved
Troubleshooting
- Older browsers: Serve WebP with a PNG fallback using the
<picture>element. - Halos on edges: Start from higher-res PNG or refine alpha; WebP preserves transparency but jaggies may come from the source.
- Still too large: Slightly lower quality (80–85%) or resize before converting.
- Upload fails: Ensure PNG and ≤ 16 MB.
- Yes, the converter is completely free with no hidden charges or subscriptions.
- Yes. WebP fully supports alpha and preserves transparency from your PNG.
- Often 30–50% smaller at comparable visual quality, depending on the image.
- WebP is supported by all modern browsers (Chrome, Firefox, Safari, Edge). Provide PNG fallback for very old browsers.
- You can upload images up to 16 MB per file.
- This page converts one file at a time. For bulk needs, repeat the process or use a batch tool.
For maximum compatibility, serve WebP with a PNG fallback using <picture>.