Doppio

Doppio is a managed API that converts HTML, templates, and app routes into pixel-perfect PDFs and PNG screenshots using Chromium, eliminating the need to run Puppeteer or maintain browser infrastructure. It serves product and engineering teams at companies of all sizes, from startups to enterprises, that need reliable document generation. The service is positioned as a faster, lower-maintenance alternative to self-hosted Puppeteer, wkhtmltopdf, and fragile PDF libraries, offering features like direct S3 upload, webhooks, and EU-hosted infrastructure.

Key features

• HTML to PDF API
• Screenshot API with custom viewports
• Template-based generation with dynamic data injection
• Direct S3 upload with presigned URLs
• Async rendering with webhooks
• EU-hosted infrastructure
• Modern Chromium rendering
• Support for CSS Paged Media and Paged.js
• Custom page sizes, margins, orientation
• Configurable wait strategies for JavaScript-heavy pages