WebP is built for the web, but many desktop editors, print tools, and older apps still won't open it — and when you need guaranteed lossless quality or a clean alpha channel for editing, PNG is the safe choice. Converting WebP to PNG gives you a universally editable, lossless file with transparency intact.
| File type | WebP | PNG | Note |
|---|---|---|---|
| Web graphic with transparency | 180 KB | 640 KB | Larger — lossless & editable |
| Downloaded WebP photo (1920×1080) | 320 KB | 1.4 MB | Larger — no further loss |
| Icon / logo (transparent) | 28 KB | 74 KB | Larger — transparency intact |
Many design tools won't import WebP. Convert to PNG first so you can edit downloaded or exported web images without compatibility errors.
Print workflows expect PNG or TIFF, not WebP. Convert WebP to PNG to hand off lossless files to a print service.
When you need a clean alpha channel for compositing, PNG is the reliable, widely supported choice.
For assets you'll re-edit later, PNG avoids the generation loss that comes from repeatedly re-saving lossy WebP.
Download and open Picmal on your Mac.
Drag and drop your WebP files or entire folders into Picmal.
Choose PNG as the output format and click Convert.
WebP Image Format
Developed by Google and based on the VP8 video codec, WebP delivers 25–35% smaller files than JPEG at equivalent SSIM quality according to Google's comparative study. Supported by all major browsers since 2020.
Best for
Web images, blogs, and online stores
Portable Network Graphics
Lossless image format standardized as ISO/IEC 15948 and maintained as a W3C Recommendation. PNG supports full alpha transparency and is the preferred format for graphics, screenshots, and images requiring sharp edges.
Best for
Screenshots, logos, graphics with transparency
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Open Picmal, drag your WebP files into the window, select PNG as the output format, and click Convert. The output is lossless and preserves any transparency.
It won't recover detail a lossy WebP already discarded, but PNG is lossless — so from that point on there's no further quality degradation, which matters when you'll edit or re-export the image.
Yes. Both WebP and PNG support alpha-channel transparency, so transparent areas in your WebP files carry over cleanly to PNG.
Usually yes. PNG is lossless while WebP is highly compressed, so a 200KB WebP might become 600KB–1MB as PNG. The tradeoff is universal editability and zero further loss.
Choose PNG when you need lossless quality, transparency, or sharp edges for graphics and screenshots. Choose JPG when you want the smallest file for sharing photos and don't need transparency.
Picmal is a one-time purchase of $15.99 — no subscription. Download to explore the interface. 14-day money-back guarantee included.
If you don't need to change formats, Picmal can also compress your files to reduce size:
Want step-by-step instructions with multiple methods including Preview, Terminal, and online tools?
Read: How to Convert WebP to PNG on Mac (4 Methods) →One-time purchase · No subscription · 14-day money-back guarantee