HTML To Image
Render HTML content into an image file, capturing the visual layout of a web page or markup exactly as it appears at render time.
What You Can Control With Image Action
With the Image action, you can control how HTML content is rendered into an image, including viewport sizing and output image format.
- HTML content used for rendering
- Viewport width and height for rendering
- Output image format (PNG or JPEG)
- Background rendering behavior
- Rendering scale and resolution
- Generating a single image output from HTML
H2I Endpoint Capabilities
The H2I endpoint converts HTML markup into visual outputs using predictable rendering rules, enabling developers to generate images or PDFs from dynamic content reliably.
HTML to Image
Renders HTML markup into a raster image output using controlled viewport sizing and layout calculation, producing consistent visual results for server-side image generation.
HTML to PDF
Renders HTML markup into a paginated PDF output using controlled viewport sizing and layout calculation, producing consistent document-ready results for server-side PDF generation.
Why Developers Use the H2I Endpoint
Predictable Rendering Behavior
The H2I endpoint enforces strict rendering rules that produce consistent visual output across requests, allowing developers to rely on repeatable results for dynamic content.
No Rendering Infrastructure to Manage
Developers do not need to maintain browsers, rendering engines, or headless services. HTML input is rendered securely without exposing execution environments.
Suitable for Production Automation
H2I is designed for background jobs, scheduled rendering, and automated workflows where reliability and non-interactive execution are required.
Flexible Output Formats
The endpoint supports both image and PDF outputs from the same HTML input, allowing a single source of truth for multiple delivery formats.
Secure Output Delivery
Rendered files are returned through structured responses with controlled output URLs, making integration with applications and storage systems safe and straightforward.
Layout-Accurate Results
Viewport sizing, scaling, and documented print-related options allow developers to control server-side rendering behavior and produce consistent visual output without relying on client-side rendering.
Clean API Surface
The endpoint avoids hidden behaviors and internal flags, ensuring integrations remain stable and understandable over time.
Use Cases Powered By H2I Endpoint
Email & Template Rendering
Use the H2I endpoint to render HTML email or template layouts into images or PDFs using server-side rendering. This allows teams to generate consistent visual previews of templates for review, testing, or delivery workflows without relying on client-side browsers, ensuring the same output across environments and automated systems.
Report & Document Generation
Use the H2I endpoint to convert HTML-based reports or documents into image or PDF outputs with controlled viewport sizing and layout calculation. This enables reliable generation of documents for automated reporting, exports, or archival use, without managing rendering infrastructure or browser environments.
UI Snapshot Generation
Use the H2I endpoint to render HTML representations of interfaces into static image outputs for snapshots, previews, or visual records. This is useful for capturing consistent UI states in automated workflows, testing pipelines, or documentation systems without requiring interactive rendering on the client side.
Marketing Asset Creation
Use the H2I endpoint to render HTML-based designs into image or PDF assets for banners, visuals, or promotional materials. By relying on server-side rendering rules, teams can produce consistent marketing outputs from a single HTML source without manual capture or environment-specific rendering differences.
Automated Rendering Pipelines
Integrate the H2I endpoint into background jobs or scheduled workflows to render HTML into images or PDFs automatically. This supports scalable, non-interactive rendering pipelines where reliability, consistency, and predictable output are required without maintaining headless browsers or rendering infrastructure.
Frequently Asked Questions
H2I Endpoint FAQ
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