PNG to WebP

Shrink PNG graphics into WebP files that load dramatically faster.

Drop PNG files here or click to browse

Processing happens on your device. Nothing is uploaded.

100% Private

Files are processed locally in your browser. They never touch our servers.

Smart Defaults

Sensible settings are applied automatically. Fine tune them only if you want to.

Batch Processing

Drop multiple images at once and download everything together as a ZIP.

How to use PNG to WebP

Drop your images onto the page, or click to pick them from your device
Use the default settings, or adjust the options for your file type and target result
Download the finished images one by one, or save the full batch as a ZIP

What PNG to WebP is for

Use the PNG to WebP tool when site graphics and screenshots need to be lighter. WebP keeps the transparency and sharpness of the PNG at a fraction of the weight, and every current browser supports it.

Shrink PNG screenshots and graphics for dramatically faster pages.
Keep transparency while cutting file size by half or more.
Prepare site assets in the format every current browser supports.
Batch convert up to thirty PNG files locally in your browser.

Privacy note: This tool runs locally in your browser. Your selected image files are not uploaded to CompressImage.ca. Read more on our promise page.

Best practices for better results

Image optimization works best when you choose the right balance between file size, visual quality, dimensions, format compatibility and privacy. These tips help you get a cleaner result.

Quality 85 keeps graphics visually identical at a fraction of the size.
Keep the PNG as your lossless master and publish the WebP copy.
Transparency survives the conversion, so logos convert cleanly.
For photos saved as PNG, expect especially dramatic savings.

PNG to WebP: the easiest page-speed win

PNG to WebP conversion is where websites find their biggest image savings. Screenshots, UI graphics and logos saved as PNG routinely shrink by half or more as WebP, and photographs that someone exported as PNG shrink even harder. The transparency carries straight through, and every current browser has supported the format for years.

The quality slider controls the trade: 85 keeps graphics visually identical, and the per-file saving is shown on every result row before you download anything.

HOW TO CONVERT PNG TO WEBP

Drop up to thirty PNG files onto the upload area
Set the WebP quality: 85 is the sweet spot for nearly everything
Click Convert to WebP and watch the per-image progress
Check the size reduction on each row, then download individually or all at once

Keep the PNG, publish the WebP

Treat the PNG as your lossless master and the WebP as the copy you serve, so you can always re-export later. Photos coming from JPG should use JPG to WebP instead, and if you want to squeeze further, the AVIF converters produce even smaller files for browsers that support them.

Related image tools

These tools solve similar image optimization problems and work the same way: locally in your browser, with no required upload.

JXL to JPG: Convert JPEG XL files to widely supported JPG
JXL to PNG: Convert JPEG XL files to lossless PNG
JXL to WebP: Convert JPEG XL files to small WebP images
JPG to JXL: Convert JPG photos to next-gen JPEG XL

PNG to WebP FAQ

How much smaller will my PNG get as WebP?

Graphics and screenshots commonly shrink 50 to 80 percent, and photographs saved as PNG shrink even more. The exact saving shows on every result row before you download.

Does WebP keep the transparency from my PNG?

Yes. WebP supports full alpha transparency, so logos and UI graphics convert with their transparent backgrounds intact.

What quality setting should I use?

Quality 80 to 90 keeps images visually identical at a fraction of the size; the default of 85 suits nearly everything. Lower it only when every kilobyte counts.

Should I keep the original PNG?

Yes. Treat the PNG as your lossless master and the WebP as the copy you publish, so you can always re-export at different settings later.