HTML2PDF.app vs Screenshot API

HTML2PDF.app

Figure	HTML2PDF.app	Screenshot API
Price from	$9/mo	$9/mo
Free plan	Yes	Yes
Free trial	—	—
Open source	—	—
Web	Yes	Yes
API	Yes	Yes
Plans published	8	5
Spec score · Screenshot APIs	8.5 (#7)	8.3 (#10)
Deployment	cloud	cloud, browser extension
Integrations	WordPress	The service can send comparison results to Slack and lists Forgejo/GitHub Actions, Netlify, Cloudflare Pages, and Vercel for deploy hooks.
Key features	Accepts public URLs or raw HTML markup as input · Headless Chromium rendering for modern HTML, CSS and JavaScript · Synchronous PDF responses and asynchronous callback jobs · Configurable page formats, custom dimensions, margins and scaling · JavaScript/resource delay with waitFor (0–10 seconds) · Screen or print CSS media rendering · Custom HTML headers and footers with page variables · CSS page-break support	Capture pages as PNG, JPEG, or WebP · Capture full scrollable pages · Set custom viewport width and height · Set device scale for retina output · Set a delay before capture · Render with dark-mode preference · Compare a page with another URL or stored baseline and return a visual diff · Create scheduled snapshot sets and send summaries to Slack
Purpose	HTML2PDF.app is an HTML-to-PDF conversion API for developers that accepts a public webpage URL or raw HTML and returns a PDF.	The hosted API captures web pages and returns PNG, JPEG, or WebP images in one request.
Support	docs	email, docs

HTML2PDF.app has no write-up on Specifiction yet; its figures are above.

Screenshot API has no write-up on Specifiction yet; its figures are above.