PNG → WebP
Converting locally — nothing is uploaded
Transparency kept, weight cut — free, and finished on your machine.
Drop your PNGs in the drum
or — nothing leaves this tab
READS JPG · PNG · WEBP · GIF · BMP · SVG · AVIF
CYCLE →
WASH TEMP
OUT OF ORDER — JAM REPORT
The PNG → WebP cycle
WebP does everything PNG does — crisp edges, real alpha — at a fraction of the size. This is the cycle for shipping the same UI assets lighter.
Transparency survives the cycle: both stocks carry a full alpha channel. Expect the folded copy noticeably lighter than the load. Either way, re-encoding through the canvas collects EXIF like lint — camera model, GPS coordinates and timestamps are stripped from the folded copy.
Need the other direction? WebP → PNG · Other routes into JPG → WebP, GIF → WebP, BMP → WebP.
Questions at the counter
Does PNG to WebP keep transparency?
Yes, fully — semi-transparent edges included. WebP carries a proper alpha channel, so drop shadows and anti-aliased corners arrive intact.
Is the conversion lossless?
It encodes at your chosen quality, so visually lossless at Warm and Hot settings while cutting file size dramatically. True mathematically-lossless WebP exists; for shipping web assets the quality dial is the practical trade.
Will older software still open it?
Anything updated this decade, yes. If your recipient list includes legacy design tools or old Windows picture viewers, keep a PNG copy of anything irreplaceable.
Is the conversion really private?
Yes — architecturally. This page is static files; there is no server to receive an upload. Your PNG is decoded and re-encoded inside this tab by your own machine, and you can watch the absence of network traffic in your browser’s developer tools.