Image Tools Local browser processing

Convert PNG to WebP Online (Keeps Transparency)

Convert PNG images to lightweight WebP online for free. Keep full alpha transparency while cutting PNG file size by up to 70%.

Drop your PNG image here to convert to WebP

Supports a PNG image • Processed 100% locally in your browser

Select Image File

Your image is processed directly in your browser and is not uploaded to our server.

• Original: → Converted:

Conversion Settings

Ready
90%
Maximum compression (10%)Lossless-like (100%)

Use 88-95% for logos and UI type, 80-85% for photographic cutouts.

Source (PNG)
Converted (WebP)

Privacy guarantee: your image is processed directly in your browser and is not uploaded to our server.

Step-by-step guide

How to Use the PNG to WebP

Follow these three steps to process your assets directly in the browser.

1

Upload a PNG graphic

Drop a transparent or opaque .png file, or load the sample transparent asset.

2

Fine-tune the quality

Even at 85-90% quality a PNG usually shrinks by more than 60% while its edges stay crisp.

3

Download the transparent WebP

Check the checkerboard preview to confirm transparency, then download.

Capabilities

Key Features of the PNG to WebP

Full alpha preservation

Transparent backgrounds, soft drop shadows and semi-transparent pixels are all kept.

Large file-size reduction

Transparent PNGs are notoriously heavy; WebP alpha encoding typically removes 50-75% of the bytes.

Checkerboard transparency preview

Verify transparent regions visually before you download the asset.

Private by design

Proprietary logos and product cutouts never leave your device.

Technical deep dive

How the png to webp works and best practices for modern web projects.

Why replace transparent PNGs with WebP?

Designers rely on PNG because it supports 8-bit alpha transparency, letting product cutouts and logos sit cleanly over any background. The drawback is size: a high-resolution 32-bit PNG easily exceeds 1 MB.

WebP is one of the few universally supported formats that combines efficient compression with an 8-bit alpha channel, so you keep crystal-clear transparency at a fraction of the weight.

Best quality settings

For flat illustrations, UI screenshots and logos with sharp type, use 88-95% so letterforms stay razor sharp. For photographic product cutouts with removed backgrounds, 80-85% produces tiny files with seamless edges.

FAQ

PNG to WebP — Frequently Asked Questions

Yes. WebP supports a full alpha channel and this converter preserves every transparent and semi-transparent pixel.

Converting a 24-bit or 32-bit PNG to WebP typically reduces file size by 45-75% depending on image complexity.

Yes, use the WebP to PNG tool to restore a standard .png file for legacy desktop software.