How to convert PNG to WebP
Converting PNG to WebP dramatically reduces file size for web use while keeping sharp detail and transparency. Add your PNG files to the converter above, press Convert, and download the WebP copies — all processed privately on your device.
How to use Smart Convert Pro to convert PNG to WEBP
- Click Choose PNG or drag and drop your PNG files (up to 25 MB each) into the box.
- Review your queue — the output format is set to WEBP, and you can add more files at any time.
- Press Convert. Each file is processed instantly on your device.
- Download files one by one, or use Download all to save everything at once.
Why convert PNG to WEBP with Smart Convert Pro
- 100% private — Conversion happens in your browser — your images never leave your device.
- Free and unlimited — No signup, no watermark, and no daily conversion caps.
- Batch conversion — Convert several PNG files in one go and download them all together.
- Works everywhere — Runs on desktop and mobile in any modern browser — nothing to install.
PNG vs WebP — quick differences
PNG is lossless and universally supported, but files are heavy — a problem for page speed.
WebP compresses far better and also supports transparency, which makes it the standard choice for images served on modern websites.
Frequently asked questions
Is this converter free?
Yes, it is completely free. There is no signup, no watermark, and no limit on how many files you can convert.
Are my files uploaded to a server?
No. Smart Convert Pro runs entirely in your browser. Files are converted on your own device and never uploaded, so nothing is stored on a server or seen by anyone else.
Does PNG to WebP keep transparency?
Yes. WebP fully supports alpha transparency, so transparent backgrounds in your PNG stay intact.
How much smaller will my images get?
Graphics and screenshots typically shrink by 30–70% when converted from PNG to WebP, depending on content.
Can I convert multiple files at once?
Yes. Drop several files into the queue and convert them together, then download each file or grab everything with Download all.