Convert PNG to WebP Online
PNG is a lossless raster image format built to replace GIF with better compression, full alpha transparency, and broad color profile support. WebP is a modern image format created by Google that offers both lossy and lossless compression, along with alpha transparency and optional animation. AnyConvert converts PNG to WebP securely without installing desktop software.
PNG to WebP Converter
Convert your PNG files to WEBP format quickly and easily. Upload your file and download the result.
Max file size: 50MB
Why convert PNG to WebP?
Switching from PNG helps you avoid larger file sizes than modern lossy formats for photographic images. WebP excels at smaller file sizes than jpeg and png for equivalent visual quality, making it a better fit when clients or platforms expect optimized product imagery on e-commerce sites.
Web Picture (WebP) also offers supports both lossy and lossless compression within the same format. That means your converted files stay useful for optimized product imagery on e-commerce sites and high-density responsive images served through modern cdns.
PNG strengths
- Lossless compression that preserves sharp edges and text perfectly
- Full alpha transparency support, including partial transparency (alpha channel)
- Widespread browser and operating system support without additional codecs
WebP advantages
- Smaller file sizes than JPEG and PNG for equivalent visual quality
- Supports both lossy and lossless compression within the same format
- Offers animation capabilities as a lighter alternative to GIF
Key differences
| Feature | PNG | WebP |
|---|---|---|
| Compression | Lossless | Lossy or lossless |
| Transparency / Alpha | Supports alpha channel | Supports alpha channel |
| Typical file size | Moderate (lossless compression) | Varies (depends on chosen codec) |
| Best suited for | User interface assets, logos, and icons that need crisp edges and Charts, diagrams, and text-heavy graphics shared online | Optimized product imagery on e-commerce sites and High-density responsive images served through modern CDNs |
| Standard | Open, royalty-free specification | Open, royalty-free specification |
Before you convert
- Keep a backup of your original file before converting so you can roll back if needed.
- Review known pain points: Does not support embedded animation (unlike GIF or APNG variants). Adjust your source file accordingly.
Quality tips
- Use the resize controls to match the pixel dimensions your project actually needs.
- Preview the background fill—set it to white, black, or brand colors so transparent elements look intentional.
- Download the result immediately and open it in the target application to verify everything matches expectations.
Where WebP fits best
Once you have the converted file, you can plug it straight into optimized product imagery on e-commerce sites, high-density responsive images served through modern cdns, and animated stickers and ui elements that benefit from alpha transparency. WebP is the format teams expect in those environments, so you spend less time re-exporting or explaining compatibility issues.
Common WebP use cases
- Optimized product imagery on e-commerce sites
- High-density responsive images served through modern CDNs
- Animated stickers and UI elements that benefit from alpha transparency
Tools that open WebP
- Squoosh
- ImageMagick
- Photoshop (with plugin)
Frequently asked questions
Does converting PNG to WebP reduce quality?
No—WebP preserves the original fidelity. You still want to open the converted file once to confirm fonts, colors, or audio loudness survived the transfer.
Is there a file size limit for converting PNG?
Yes—uploads up to 150 MB convert reliably in the browser. For larger assets, split them into smaller segments first so the process stays responsive.