๐ Files never leave your device โ all processing happens in your browser
About PNG to WebP conversion
This free PNG to WebP converter runs entirely inside your browser using the HTML5 Canvas API. Nothing is uploaded to a server, so it is safe for private photos, client work and sensitive documents. You can convert one file or hundreds at once, resize them and fine-tune quality before downloading.
WebP is Google's modern format: typically 25-35% smaller than JPEG at the same visual quality, with transparency support.
PNG is a lossless format that supports full transparency, ideal for logos, screenshots, UI assets and text-heavy graphics.
How to convert PNG to WebP
- Add your PNG files
Drag and drop your PNG images onto the box above, or click it to browse. Multiple files are supported and processed one by one.
- Choose WebP as output
The output format is already set to WebP. Optionally set a maximum width to resize, and adjust the quality slider for lossy formats.
- Convert and download
Click Convert, review the size savings and download each file โ or use Download All to save every converted WebP image at once.
When should you convert PNG to WebP?
WebP is Google's modern format: typically 25-35% smaller than JPEG at the same visual quality, with transparency support. PNG is a lossless format that supports full transparency, ideal for logos, screenshots, UI assets and text-heavy graphics. Converting from PNG to WebP makes sense whenever you need the strengths of WebP more than the original trade-offs of PNG.
Frequently Asked Questions
How do I convert PNG to WebP for free?
Open this page, drop your PNG images into the box, make sure the output format is set to WebP, then click Convert. The conversion happens instantly in your browser and you can download each WebP file or all of them at once โ completely free with no account and no watermark.
Is it safe to convert PNG to WebP online?
Yes. This tool never uploads your images. The decoding and re-encoding is performed locally by JavaScript and the Canvas API inside your browser, so your files stay on your device. There is no server storage, no logging and no third party involved.
Does converting PNG to WebP reduce quality?
Converting to a lossless format such as PNG keeps every pixel intact. Converting to a lossy format such as WebP or AVIF discards a small amount of data controlled by the quality slider; at 80-90% the difference is usually invisible while files shrink dramatically. Note that detail already lost in the original PNG file cannot be recovered.
Will the WebP file be smaller than the original PNG?
It depends on the formats and settings. WebP and AVIF usually produce files 25-50% smaller than JPEG at similar quality, while lossless PNG is often larger than a JPEG of the same image. Use the quality slider and the max width option to control the final size, and check the savings shown next to each converted file.
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