What are wkhtmltoimage and wkhtmltopdf?

wkhtmltopdf and wkhtmltoimage are open source (LGPLv3) command line tools to render HTML into PDF and various image formats using the Qt WebKit rendering engine. These run entirely “headless” and do not require a display or display service. There is also a C library, if you’re into that kind of thing. How do I use it?

Why is wkhtmltopdf-binary Unzipped?

This is because wkhtmltopdf-binary ships with gzipped binaries for many platforms, and then picks the appropriate one upon first use and unzips it into the same directory. So if your ruby gem binaries are installed here: The various wkhtmltopdf-binaries will be installed here:

How to use wkhtmltopdf on Ubuntu / Debian?

Using wkhtmltopdf on Ubuntu / Debian. For example, if you want to convert a web page as a PDF, use the command syntax: $ wkhtmltopdf . See below example. wkhtmltopdf computingforgeeks.pdf. Execution output:

Is it safe to use wkhtmltopdf?

Do not use wkhtmltopdf with any untrusted HTML – be sure to sanitize any user-supplied HTML/JS, otherwise it can lead to complete takeover of the server it is running on! Please read the project status for the gory details. The current stable series is 0.12.6, which was released on June 11, 2020 – see changes since 0.12.5.

What are the prerequisites to install wkhtmltox DLL on the computer?

Pechkin includes the latest version of wkhtmltox DLL in the project (and in NuGet package) along with its dependencies, and copied into build folder on project build. So there’s no need to install any prerequisites before using the library on the computer.

How to use wkhtmltox font in lambda function?

To use wkhtmltox in your lambda function you may put the content of the archive together with your lambda function or create a layer. Don’t forget to provide an environment variable for fontconfig ( FONTCONFIG_PATH=/opt/fonts ). In case you use Serverless framework you may add the next lines to your serverless.yml file: