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Convert PNG and JPG to WebP — Fast Compression Without Quality Loss

How to convert PNG and JPG to WebP online?

Upload your images via the button or drag & drop, adjust the compression level with the slider, and download the result in WebP or AVIF. All processing happens locally in your browser — files never leave your device, ensuring complete privacy and instant speed.

How much smaller is WebP compared to PNG and JPG?

WebP reduces image size by 25–40% on average without visible quality loss compared to PNG and JPG. For images with large solid-color areas, savings can reach 60–80%. Websites using WebP load faster, improving SEO and user experience.

Image Format Comparison: WebP vs PNG vs JPG vs AVIF

Format Compression Quality Transparency Animation Support
WebP Excellent (25–40% savings) High ✅ Yes ✅ Yes 97%+ of browsers
PNG Weak (lossless) Maximum ✅ Yes ❌ No 100%
JPG Moderate High ❌ No ❌ No 100%
AVIF Maximum (up to 50% savings) Very high ✅ Yes ✅ Yes 93%+ of browsers

FAQ

How to Convert PNG and JPG to WebP Online

  • 1

    Upload your image

    Click the "Upload Image" button or drag and drop PNG or JPG files into the upload area. Multiple file selection is supported for batch conversion.

  • 2

    Adjust compression quality

    Use the "Compression strength" slider to find the optimal balance between quality and file size. For photos, 75–85% is recommended; for graphics with text, go with 85–95%.

  • 3

    Compare the result

    Use the interactive Before/After comparison mode: drag the divider to visually assess the difference between the original and the compressed WebP image.

  • 4

    Download the optimized file

    Click "Download WebP" or "Download AVIF" to save the optimized image to your device. In batch mode, each file can be downloaded individually.