RelayPDF vs wkhtmltopdf

wkhtmltopdf is useful for compatibility, but by itself it is not a complete API platform. RelayPDF keeps Chromium as default and exposes wkhtmltopdf through /v1/convert when needed.

Capability	RelayPDF	Alternative
Modern CSS rendering	Chromium default	Limited by wkhtml engine
wkhtml compatibility mode	Yes (/v1/convert)	Native
Office conversion and PDF tools	Yes	Not included
Auth, wallet, async, webhooks	Yes	Not included

Full write-up: wkhtmltopdf alternatives in 2026.

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