Why convert WEBP to PNG?

Some desktop apps, older upload forms, and print workflows still expect PNG or JPG. PNG keeps transparency that JPG cannot.

Will the PNG be larger?

Often yes — PNG is lossless. The tradeoff is compatibility and predictable transparency.

WEBP to PNG Converter — Free Online

JPEG compression (canvas → PDF) 80%

Lower = smaller file, more soft/blocky pages. Higher = sharper pages, larger file. 100% = least JPEG compression (still JPEG, not lossless).

More compression Balanced No compression (100%)

Render zoom (pdf.js supersample) 150%

Pages are drawn larger than the output width, then downscaled before JPEG. Higher zoom = sharper text, slower + more memory (up to 500%). 100% = no supersample.

100% (faster) 150% 500% (max detail)

AVIF → JPEG bridge — when supported, try canvas→AVIF→JPEG per page and keep the smaller JPEG (AVIF still isn’t stored inside the PDF). Retry stronger if needed — if the first pass isn’t smaller, run one stronger pass (lower width + JPEG quality).

WEBP to PNG

🔍 Interactive Quality Inspection (Slide to Compare)

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