Benchmarking 12 HTML-to-PDF APIs Across 14 Rendering Checks

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We tested 12 PDF generation APIs across 14 rendering checks, comparing HTML-to-PDF accuracy, speed, file sizes, and fillable form support.
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The PDFGate team tested 12 HTML-to-PDF APIs using a four-page invoice containing complex CSS, JavaScript, international text, and fillable forms. PDFGate and DocRaptor passed all 14 rendering checks, although DocRaptor required a modified HTML version. The comparison highlights differences in rendering accuracy, speed, file size, text extraction, and form support, with public test scripts and outputs available for reproduction.