Convert PNG to WebP Online
WebP is the modern replacement for PNG on the web. Converting PNG images to WebP format typically reduces file sizes by 26% or more while preserving transparency — making your website faster without sacrificing image quality or the ability to have transparent backgrounds.
How to PNG to WebP
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Upload PNG files
Select your PNG images. Images with transparency are fully supported.
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Choose WebP compression mode
Select lossless (perfect quality, moderate compression) or lossy (smaller file, slight quality reduction) WebP compression.
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Download WebP images
Your converted WebP files are ready. Use them directly on your website.
Features
- Preserves PNG transparency in WebP output
- Lossless and lossy WebP modes
- Quality slider for lossy mode
- Significant file size reduction vs PNG
- Batch conversion
WebP vs PNG: Size and Quality
WebP achieves file sizes 26% smaller than PNG (lossless mode) and can be even smaller with lossy compression — while supporting transparency just like PNG. All major modern browsers support WebP. For new web projects, WebP is the recommended format over PNG.
Supported Formats
This tool accepts PNG files up to 20 MB per file. Process up to 20 images per batch.
Frequently Asked Questions
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Yes. WebP supports full alpha-channel transparency in both lossless and lossy modes. It is a direct drop-in replacement for PNG when transparency is needed.
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Yes — as of 2024, WebP has over 97% global browser support, including Chrome, Firefox, Safari (14+), Edge, Opera, and Android/iOS browsers. For the remaining users, you can use the HTML <picture> element to provide a PNG fallback.