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Private browser tool
PNG to WebP Converter
Transform lossless transparent PNGs into highly compressed WebPs. Runs in your browser with no account required.
Always Free
Local processing
No account needed
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Drag & drop your image here
Supports JPG and PNG • Up to 50MB
Supports JPG, PNG, and WebP • Up to 50MB and 40 megapixels
Tab Preview Simulation
Original: {{ formatBytes(originalFile.size) }}
Optimized: {{ formatBytes(outputBlob.size) }}-
{{ savingsText }}
Dimensions: {{ outputDimensions }}
The uploaded file format is already matching the requested conversion format. Compression will still apply.
WebP compression preserves alpha transparency channel presets. Converting transparent PNGs to JPEGs will discard transparency backgrounds.
Compression Quality
{{ quality }}%
Output Format
Width (px)
Height (px)
Platform Size Presets
Crop & Fit Mode
Padding Fill Color:
Crop Positioning Align
Resize Scale
{{ resizePercent }}%
Select Crop Aspect Preset
Crop Frame Size Scale
{{ cropScale }}%
Circle Crop Size Scale
{{ cropScale }}%
Rotate Angle
Flip Asset Mirror
Flip Asset Mirror
Watermark Text
Font Size (px)
Font Color
Opacity ({{ Math.round(watermarkOpacity*100) }}%)
Position
Click anywhere on the image above to select pixel color
{{ pickedColor }}
{{ pickedColorRgb }}
Download Favicon Outputs
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Paste Base64 Encoded Image Code (e.g. data:image/png;base64,...)
Target Output Format
Images workflow
Processed locallyZero file uploads to Beginware
How to use PNG to WebP Converter
Transform lossless transparent PNGs into highly compressed WebPs.
-
Choose a PNG image
Open a PNG file that your browser can decode. Keep the source file for comparison.
Step 1 of 3 -
Review the WebP preview
Check the converted image and adjust quality if the WebP controls offer it.
Step 2 of 3 -
Download the WebP
Save the new WebP file and check its size and appearance in the application where you will use it.
Step 3 of 3
No account required
Works instantly in browser
Always review important output
- Intended input
- PNG
- Output
- WebP
- Conversion
- Browser canvas re-encoding
Example workflow
- Input Sample
- photo.png
- Generated Result
- A newly encoded webp image; the original file is retained.
Limits and Considerations
- WebP can preserve transparency, but lossy settings may alter edges and fine detail.
- Conversion creates a new raster image. Source metadata and animation are not preserved.