Yes — completely free, no signup, no usage limits.

Are my files uploaded?

No. Conversion runs entirely in your browser using HTML canvas. Files never leave your device.

Does it preserve transparency?

Yes. PNG supports alpha channel and the converter preserves WebP transparency exactly.

Usually yes. WebP achieves better compression than PNG, so the lossless PNG output is typically 2–5× larger.

Only the first frame is converted. To convert frame-by-frame, use a dedicated animation tool.

Yes. The canvas pipeline preserves the alpha channel verbatim.

WebPをロスレスPNGに変換。アルファチャネル対応。バッチ処理可能。

WebP file(s)

Select one or more files to begin.

Is it free?: Yes — completely free, no signup, no usage limits.
Are my files uploaded?: No. Conversion runs entirely in your browser using HTML canvas. Files never leave your device.
Does it preserve transparency?: Yes. PNG supports alpha channel and the converter preserves WebP transparency exactly.
Will the converted PNG be larger than the WebP?: Usually yes. WebP achieves better compression than PNG, so the lossless PNG output is typically 2–5× larger.
Are animated WebPs supported?: Only the first frame is converted. To convert frame-by-frame, use a dedicated animation tool.
Is transparency preserved?: Yes. The canvas pipeline preserves the alpha channel verbatim.

Last updated: 2026-05-20 By jarvisbox