Yes. It is open source under the MIT license and runs on your own servers (https://gotenberg.dev/, as of Sep 2026). It is also hosted here, behind the same API key and credits as WeasyPrint.

Which engine should I use for HTML to PDF?

WeasyPrint for print documents that need no JavaScript: invoices, reports, letters, with page numbers set in CSS. Gotenberg when the page needs a browser to run scripts, or when you also convert Office files.

Can WeasyPrint convert Office files like Gotenberg?

No. Gotenberg includes LibreOffice for Office files and Chromium for pages that need JavaScript (https://gotenberg.dev/, as of Sep 2026). WeasyPrint converts HTML to PDF and nothing else.

WeasyPrint or Gotenberg for HTML to PDF

Both engines are hosted here behind the same key. WeasyPrint lays out print CSS without a browser. Gotenberg runs Chromium and LibreOffice.

Last updated Oct 22, 2026

Gotenberg	Open source (MIT); a Docker image with Chromium, LibreOffice, QPDF, pdfcpu and ExifTool; Chromium runs JavaScript (as of Sep 2026)
WeasyPrint here	WeasyPrint 70; no JavaScript, no URLs; PDF/A-2b and PDF/A-3b on paid plans; 1 credit per render

Both engines run here, behind one API key and one credit balance. WeasyPrint is a print engine for HTML and CSS, at POST /v1/weasyprint/render. Gotenberg packages Chromium and LibreOffice behind an HTTP API, under the MIT license (as of Sep 2026). Its routes are hosted under /v1/gotenberg/ (Gotenberg here).

When Gotenberg fits

The page needs JavaScript to reach its final state, or you render a live web page.
You also convert Word, Excel or PowerPoint files, with LibreOffice (gotenberg.dev, as of Sep 2026).
Your HTML was made for a browser and looks right only in Chromium.

WeasyPrint runs no JavaScript, loads no URLs and converts no Office files.

When WeasyPrint fits

Print documents with CSS Paged Media: margin boxes, "Page X of Y" and named pages (headers and footers).
PDF/A-2b or PDF/A-3b for an archive, on a paid plan.
HTML that must not trigger network requests. Remote URLs are rejected with an error that lists them.
Documents up to 50 pages, at 1 credit per render whatever the page count.

Paste up to 100 KB of HTML without an account: render it in the free tool.

FAQ

Is Gotenberg free?: Yes. It is open source under the MIT license and runs on your own servers (https://gotenberg.dev/, as of Sep 2026). It is also hosted here, behind the same API key and credits as WeasyPrint.
Which engine should I use for HTML to PDF?: WeasyPrint for print documents that need no JavaScript: invoices, reports, letters, with page numbers set in CSS. Gotenberg when the page needs a browser to run scripts, or when you also convert Office files.
Can WeasyPrint convert Office files like Gotenberg?: No. Gotenberg includes LibreOffice for Office files and Chromium for pages that need JavaScript (https://gotenberg.dev/, as of Sep 2026). WeasyPrint converts HTML to PDF and nothing else.