Convert PNG to WebP Online

Convert PNG files to WebP securely in your browser. Adjust available output settings, batch-process multiple files, and download the WebP results without installing software.

PNG
PNG
WebP
WebP
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Files deleted in 24h
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Drop your PNG file here

or click to select

Secure & private
Files deleted in 24h
No signup needed
Select a file to start converting
0 / 10 free conversions used today

How PNG to WebP works

Upload PNG

Drag & drop or click to select your PNG file.

Choose Options

Adjust quality, size, or other output settings if needed.

Download WebP

Click Convert and your WebP file downloads instantly.

About PNG to WebP conversion

Choose the PNG source file you want to convert.

Upload it to png.now, select WebP, and start conversion.

Download and review the result before sharing or archiving it.

Where WebP comes from

PNG and WebP serve different file workflows. Conversion changes the representation while preserving supported content.

PNG vs WebP at a glance

PNGWebP
Source PNG file WebP file
Best for Original workflow Destination compatibility

Real-world workflow — Convert PNG to WebP

  1. Select the PNG source file.
  2. Upload it securely.
  3. Choose WebP as the output.
  4. Start conversion.
  5. Download and review the result.

When to convert PNG to WebP

Converting PNG to WebP delivers the best of both worlds: WebP's lossless mode preserves PNG's pixel-perfect quality and full alpha channel transparency while achieving file sizes typically 26% smaller than equivalent PNGs. For UI assets, icons, logos, and any graphic requiring both transparency and zero quality loss, PNG-to-WebP lossless is the ideal format for modern web delivery.

Frontend developers optimising website asset bundles convert PNG sprite sheets, icon libraries, and UI graphics to WebP to reduce total payload and improve Lighthouse performance scores. Build tools like webpack, Vite, and Next.js support WebP image optimisation natively, and converting PNGs as part of the build pipeline is a standard step in modern frontend performance engineering.

Game developers and web application teams serving image assets through CDNs convert PNG graphics to WebP to reduce bandwidth costs and storage. A PNG icon library at 500 KB becomes approximately 370 KB in WebP - Individually modest savings that become substantial across millions of requests per day at production scale.

PNG to WebP tips

  • Keep a copy of the original file.
  • Use a valid, non-corrupted source file.
  • Review the converted result before deleting the original.

Formats involved

PNG

PNG – Portable Network Graphics

About PNG
PNG uses lossless compression and supports transparency. Ideal for logos, UI graphics, screenshots, and any image where pixel-perfect reproduction is required.
PNG to JPG
WebP

WebP – Web Picture Format (Google)

About WebP
WebP delivers 25–35% smaller files than JPG at equivalent quality. Supported in all modern browsers and ideal for improving website performance and Core Web Vitals.

PNG to WebP — frequently asked questions

Upload your PNG file, start the conversion, and download the finished WebP file.

Yes. png.now lets guests convert files without installing software or creating an account.

Files are encrypted in transit and scheduled for automatic deletion after processing.

The converter preserves content supported by both PNG and WebP. Review the result when formats represent features differently.

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Convert PNG to WebP Online Free