How it plugs in
—Public API
NoOpen source
YesFree tier
Signal on HTML to PDF APIs6.4#2 of 41
SelectPdf provides HTML-to-PDF conversion through a self-hosted .NET library and a hosted REST API.

Pricing
- Entry Levelbilled monthly; annual option $190/year · 2,000 conversions/month · 2 concurrent requests · hosted REST API$19/mo
- Standard Levelbilled monthly; annual option $290/year · 5,000 conversions/month · 4 concurrent requests · hosted REST API$29/mo
- Advanced Levelbilled monthly; annual option $590/year · 20,000 conversions/month · 8 concurrent requests · hosted REST API$59/mo
- Premium Levelbilled monthly · 50,000 conversions / month · 8 concurrent requests$119/mo
- Premium Levelbilled annual · 50,000 conversions / month · 8 concurrent requests$1,190/yr
- Ultra Levelbilled monthly · 100,000 conversions / month · 16 concurrent requests$229/mo
- Community EditionFree · Free .NET converter · up to 5 pages per PDF · free for any use, including productionFree
- Single Developerone-time perpetual · 1 developer · 1 deployment machine · 1-year maintenance included · both libraries$499 one-time
As selectpdf.com lists them, checked 7 Oct 2026.