Convert PNG images to WebP for smaller file sizes with no quality loss. Free, browser-based, no upload required.
Drop a PNG image into the converter
Adjust quality slider if needed
Download your optimized WebP file
Free is enough for most one-off jobs. Pro raises the file and batch caps; Pro + Media unlocks GB-scale streaming and unlimited duration.
Larger files supported on Developer (5 GB CSV) and Enterprise (unlimited). All processing happens in your browser — files never reach a server.
0 bytes uploaded. PNG to WebP Converter runs entirely in your browser using Canvas API and WASM. Your image stays on your device at all times. No data is sent to any server.
Yes — WebP supports both lossy and lossless compression with full alpha transparency, just like PNG.
WebP lossless images are typically 26% smaller than PNGs. Lossy WebP can be 25-34% smaller than comparable JPEG.
Convert JPG/JPEG images to WebP for better compression and quality. 100% browser-based, private.
Open toolConvert WebP images back to PNG for universal compatibility. Lossless conversion, browser-based.
Open toolConvert PNG to AVIF — the next-gen image format with 50% better compression than WebP. Browser-based.
Open tool