Chromium-based HTML to PDF API

Run in docker container:

docker run -p 3000:3000 -d --restart always cempehlivan/html-to-pdf

Run in NodeJS:

cd app
..
npm install
..
node app.js

swagger documentation url: http://localhost:3000/api-docs

html to pdf endpoint: http://localhost:3000/converter/htmltopdf

Parameters

Parameter	Type	Description
html	HTML string	required
options	PDFOptions	(Optional)

PDF Options

Property	Type	Description
displayHeaderFooter?	boolean	(Optional) Whether to show the header and footer.
footerTemplate?	string	(Optional) HTML template for the print footer. Has the same constraints and support for special classes as headerTemplate.
format?	PaperFormat	(Optional)
headerTemplate?	string	(Optional) HTML template for the print header. Should be valid HTML with the following classes used to inject values into them: - date formatted print date - title document title - url document location - pageNumber current page number - totalPages total pages in the document
height?	string | number	(Optional) Sets the height of paper. You can pass in a number or a string with a unit.
landscape?	boolean	(Optional) Whether to print in landscape orientation.
margin?	PDFMargin	(Optional) Set the PDF margins.
omitBackground?	boolean	(Optional) Hides default white background and allows generating pdfs with transparency.
pageRanges?	string	(Optional) Paper ranges to print, e.g. 1-5, 8, 11-13.
path?	string	(Optional) The path to save the file to.
preferCSSPageSize?	boolean	(Optional) Give any CSS @page size declared in the page priority over what is declared in the width or height or format option.
printBackground?	boolean	(Optional) Set to true to print background graphics.
scale?	number	(Optional) Scales the rendering of the web page. Amount must be between 0.1 and 2.
timeout?	number	(Optional) Timeout in milliseconds
width?	string | number	(Optional) Sets the width of paper. You can pass in a number or a string with a unit.

Paper Format

The sizes of each format are as follows: - Letter: 8.5in x 11in

• Legal: 8.5in x 14in

• Tabloid: 11in x 17in

• Ledger: 17in x 11in

• A0: 33.1in x 46.8in

• A1: 23.4in x 33.1in

• A2: 16.54in x 23.4in

• A3: 11.7in x 16.54in

• A4: 8.27in x 11.7in

• A5: 5.83in x 8.27in

• A6: 4.13in x 5.83in

PDF Margin

Property	Modifiers	Type	Description
bottom?		string | number	(Optional)
left?		string | number	(Optional)
right?		string | number	(Optional)
top?		string | number	(Optional)

Post JSON

{
    "html": "<h1>test</h1>",
    "options": {
        "format": "A4",
        "printBackground": true,
        "margin": {
            "top": "10.5mm",
            "left": "10.5mm",
            "right": "10.5mm",
            "bottom": "10.5mm"
        }
    }
}

Response JSON

{
    "status": "success",
    "data": {
        "pdf": "<base64pdf>"
    }
}

Packages used

• puppeteer
• express
• body-parser
• swagger-ui-express