SnapHTML Capture

Webpage Screenshot API

Capture webpages to PNG or JPG through API for monitoring, reporting, previews, and automated visual workflows.

PNG and JPG output

Full-page visual capture

Fits monitoring and preview pipelines

curl -X POST "https://snaphtml.one/api/image" \
  -H "content-type: application/json" \
  -d '{"url":"https://example.com","type":"png","fullPage":true}' \
  --output screenshot.png

Where screenshot APIs are usually used

Monitoring and QA

Capture page state for change tracking, regression review, and internal visual verification workflows.

Preview Generation

Generate thumbnails, cards, and preview images from rendered webpages without manual screenshots.

Reporting Pipelines

Attach visual captures to alerts, exports, and audit records when image proof matters.

SnapHTML Workflow

Ready To Render

Move from manual conversion to API, async jobs, and webhook-based rendering when volume grows.

Open Converter HTML to PDF API Quickstart Docs

截图与图像渲染 API

将 URL 或 HTML 转为 PNG/JPG，适合预览图、社媒卡片、监控快照和自动化流程。

多格式输出

支持 PNG 与 JPG，尺寸与质量可预测、可复现。

多种截图模式

支持整页截图与视口截图，适配不同业务场景。

批量任务能力

结合异步任务可稳定处理大批量截图生成。

常见问题

html-to-image 和 screenshot API 有什么区别？

html-to-image 主要面向 HTML 内容渲染，screenshot API 主要面向线上 URL 截图。

可以用于网页监控吗？

可以。你可以按计划任务周期抓图并做历史对比。

下一步建议看哪些页面？

建议继续查看 html-to-image、webpage-screenshot-api 与 docs/render-options。