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Render a local HTML file with wkhtmltoimage index.html page.png, or render a web page with wkhtmltoimage https://example.com page.png. The command takes an input file or URL, followed by the output image path.
Render a local HTML file or web page
The basic syntax is wkhtmltoimage [OPTIONS]... <input file> <output file>, as documented in the Debian manual. The last argument names the image file to create; choose an extension such as .png or .jpg.
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- For a local file, run
wkhtmltoimage index.html page.png. - For a page available at a URL, run
wkhtmltoimage https://example.com page.png. - Open the output image and check that its dimensions, content, and loaded assets are suitable for your use.
The tool renders HTML pages into image formats using Qt WebKit and can run headlessly, without a display service, according to the official project site.
The Tool Desk
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Use --width to set the screen width, and --zoom to scale the rendering. The Debian manual describes width as a guideline unless strict width is enabled with --disable-smart-width. If you need a particular capture size, check the resulting image rather than assuming that the requested width alone guarantees the final dimensions.
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To capture a region, set crop dimensions and position with --crop-w, --crop-h, --crop-x, and --crop-y. For example, a command can combine options before the input and output:
wkhtmltoimage --width 1200 --crop-w 800 --crop-h 600 --crop-x 0 --crop-y 0 https://example.com page.png
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Adjust crop coordinates and dimensions for the page you are rendering, then inspect the saved file to confirm that the region is correct.
Control JavaScript and when rendering begins
JavaScript is enabled or disabled with --enable-javascript and --disable-javascript. If the page needs time to update after loading, --javascript-delay accepts a delay in milliseconds. For a page that sets a known browser window status when it is ready, --window-status waits for that status value before rendering.
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For example, to wait 1,000 milliseconds before capturing a URL, use:
wkhtmltoimage --javascript-delay 1000 https://example.com page.png
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A fixed delay is only useful if it gives the page enough time to finish the work you need. Where the page can signal readiness reliably, waiting for its window status can avoid guessing a delay; consult the manual for the exact option syntax.
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Allow local assets when rendering a file
HTML files often refer to stylesheets, images, or other assets on disk. The manual documents --allow <path> to grant access to local files in a specified folder, and --disable-local-file-access to block access to other local files unless explicitly allowed. If a local page renders without its images or styles, check whether its assets are reachable under the local-file access settings.
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Grant access only to the directory the page needs. Verify the output image in the same environment where the command will run, because page scripts, remote resources, and file permissions can affect the result.
Or skip the browser setup
If you want a managed screenshot request rather than installing and tuning a local renderer, ScreenshotNeo accepts a URL and returns an image or PDF. For example, save the response from this cURL request as a WebP image:
curl -G "https://api.screenshotneo.com/v1/shot" -d access_key=YOUR_API_KEY --data-urlencode url=https://example.com -o shot.webp
See the ScreenshotNeo API documentation for request options. It removes cookie and consent banners, newsletter popups, and chat widgets before capture; bot checks, blank pages, and failed loads are never billed. Its MCP server lets AI agents take screenshots. The free plan includes 1,000 screenshots a month with no card, and paid plans start at $5 for 3,000. Sign up for free.
Know the maintenance trade-off
wkhtmltoimage uses Qt WebKit. The project’s GitHub repository is archived and read-only as of Jan. 2, 2023 (GitHub repository status). That makes it a legacy choice for a new rendering workflow: confirm that the available binary works in your target environment and that its rendering behavior suits your pages. The information here does not establish a current version or a supported operating-system matrix.
Quick Recap
Troubleshoot common output problems
- The command is not found: the executable is not available on your shell’s command path. Check how wkhtmltoimage was installed in your environment and whether its executable can be invoked there.
- The output is missing images or styles: for a local HTML file, check asset paths and local-file access. Use
--allowfor the required directory if access has been restricted. - The page looks unfinished: the page may rely on JavaScript or delayed content. Confirm that JavaScript is enabled and consider
--javascript-delayor--window-status. - The image width or crop is unexpected: width may be treated as a guideline unless smart width is disabled. Review the crop coordinates and dimensions, then inspect the generated file.
- The result differs across environments: the tool’s Qt WebKit renderer and the availability of remote resources or local assets can affect output. Test the exact binary and page in the target environment before relying on the result.
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