PNG to WebP Converter
Drop a PNG, get a smaller WebP — transparency preserved, quality intact, all in your browser.
Drop your PNG file here
Converts to .webp — stays on your device
Why convert PNG to WebP?
- Optimizing design system assets (icons, logos, UI elements) in a Figma-to-production pipeline without losing transparency.
- Shrinking screenshot-heavy documentation sites built with Docusaurus, VitePress, or Nextra.
- Replacing chunky PNG sprites in Tailwind + Next.js or Astro projects deployed to Vercel, Netlify, or Cloudflare Pages.
- Converting brand kits for delivery to WordPress, Shopify, or Webflow clients who run Lighthouse audits.
- Preparing transparent product cut-outs for e-commerce PDPs where WebP is now the Shopify default.
- Reducing the weight of email-signature graphics and Slack emoji packs.
How our converter works
The PNG is decoded and re-encoded as WebP using your browser's built-in Canvas encoder. Transparency is carried over automatically — WebP supports a full alpha channel just like PNG. Because the conversion happens locally, it's safe for unreleased brand assets, design-in-progress screenshots, and client work you can't hand to a third-party SaaS.
PNG vs WebP — what's the difference?
| Feature | PNG | WebP |
|---|---|---|
| Compression | Lossless only | Lossy or lossless (you pick) |
| File size | Baseline | Commonly 25–50% smaller |
| Transparency | Full alpha | Full alpha — preserved on conversion |
| Animation | APNG (rare support) | Native, well supported |
| Best for | Maximum compatibility | Modern web delivery |
Frequently asked questions
Does WebP preserve PNG transparency?
Yes, fully. WebP supports the same 8-bit alpha channel as PNG, so transparent backgrounds and soft edges carry over exactly.
Is the WebP lossy or lossless?
Our default is lossy at 90% quality, which is typically invisible and gives the biggest size win. For pixel-perfect UI graphics where banding would show, a lossless WebP is usually still smaller than the source PNG.
How much smaller will my WebP be?
For photographic PNGs: 50–70% smaller. For flat-color UI graphics and logos: 20–40% smaller. Lossless WebP often still beats PNG by 25%.
Can I still use the WebP in Photoshop or Illustrator?
Modern versions of Photoshop handle WebP natively. Older versions need a plug-in. For editing workflows, keep the PNG as the master and export WebP only for delivery.
Will this break on older browsers or email clients?
Every modern browser supports WebP. Email clients are mixed — Outlook desktop historically didn't. For email, use PNG or JPG fallbacks.
Is batch conversion supported?
Yes. Multiple PNGs convert sequentially inside your browser. Batches over three files are offered as a single ZIP download.
About the PNG format
PNG has been the web's workhorse for flat-color graphics and transparency since the late 1990s — simple, lossless, universally supported. WebP is PNG's modern answer to 'same thing but smaller.' It keeps the alpha channel, adds an optional lossy mode for photographic PNGs where the size win is dramatic, and is now supported by every major browser and design tool released in the last several years. For modern websites, design systems, and documentation, converting PNG libraries to WebP is a near-free performance win.