HTML to Image Converter

Paste HTML, render to PNG, JPG, or WebP — 100% private browser-side

Source

0 chars
URLs are loaded in a sandboxed iframe. Cross-origin sites may block rendering due to iframe sandboxing. Inline the HTML for guaranteed capture.
HTML and SVG files render directly. Other formats not supported.

Settings

Quick Presets

Live Preview

Ready — paste HTML above to preview

Result

Rendered HTML output preview
Output Size
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Dimensions
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Render Time
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Why AI Chatbots Cannot Convert HTML to an Image

When a user asks ChatGPT, Claude, or Gemini “convert this HTML to a PNG”, the model produces text. It cannot parse a DOM tree, walk every node, compute layout, paint to a canvas, and encode a bitmap to PNG bytes. That is a binary browser operation, not a text operation. This tool does exactly that: it loads your HTML into a sandboxed iframe, then uses html2canvas (the most-used DOM rasterizer in the npm ecosystem, 30M+ downloads/week) to convert the live computed DOM to a canvas, then exports the canvas as PNG, JPG, or WebP.

How It Works

  1. Paste HTML in the editor on the left. Inline CSS via a style block or inline style attribute is honored.
  2. Live preview renders in a sandboxed iframe on the right. Edit and watch changes instantly.
  3. Set dimensions, scale, format. Scale 2x doubles resolution for retina. PNG supports transparency.
  4. Click Convert & Download. The DOM is rasterized to canvas and exported as the chosen format.

Common Use Cases

  • OG cards and Twitter cards — render an HTML hero card and export 1200×630 or 1200×675 PNG.
  • Social media post mockups — Instagram 1080×1080, Instagram Story 1080×1920, Twitter, LinkedIn.
  • Bug reports and PR descriptions — turn UI snippets into PNGs.
  • Email template previews — capture an HTML email as an image.
  • Icon and favicon generation — 512×512 export ready for app icons.
  • Documentation screenshots — inline CSS is honored so previews match production.

FAQ

Is this HTML to image converter really free?

Yes. No signup, no paywall, no daily limit, no watermark. The tool runs entirely in your browser using html2canvas and DOMPurify loaded from CDN. There is no backend and no API key.

What formats can I export to?

PNG (lossless, supports transparency), JPG (smaller file size for photos and complex images), and WebP (modern compressed format with transparency). Choose the format from the dropdown before clicking Convert.

What is the scale (DPR) option?

Scale multiplies the output resolution. Scale 1 is normal. Scale 2 doubles every pixel for retina displays. Scale 3 is for ultra-retina and print. A 600 pixel wide image at scale 2 produces a 1200 pixel PNG file, which looks crisp on hi-DPI screens.

Can I export HTML that uses external CSS and images?

Yes. html2canvas reads computed styles of every element in the iframe, so any external stylesheet linked from your HTML is applied. Images embedded as data URIs render reliably. Cross-origin images without CORS may be blocked by the browser for canvas tainting protection; inline them as base64 to guarantee capture.

Why are some images missing in my screenshot?

Cross-origin images without CORS headers will taint the canvas and cause those pixels to be blank. To fix, either (1) host the image with CORS headers, (2) inline the image as a base64 data URI in your HTML, or (3) use a same-origin proxy.

Can AI chatbots convert HTML to an image?

No. AI text models output text only. Converting HTML to a PNG byte stream requires the browser to parse the DOM, walk every node, compute layout, paint to a canvas, and encode the bitmap. ChatGPT, Claude, and Gemini cannot do this and always refer users to a dedicated tool like this one.

Is my HTML sent to any server?

No. The HTML you paste is rendered inside a sandboxed iframe on your own browser. Only the html2canvas and DOMPurify libraries are loaded from CDN. Your content never reaches our servers. Close the tab and everything is gone.

What is the difference between full-page and viewport-only capture?

Viewport-only captures only the visible area of the iframe at the chosen width and height. Full-page captures the entire scroll height of the iframe, useful for long landing pages, articles, or emails.

Authoritative References

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