HTML to PDF with Node js

Question

I m looking to create a printable pdf version of my website webpages  Something like express render   only render the page as pdf  Does anyone know a node module that does that    If not  how would you go about implementing one   I ve seen some methods talk about using headless browser like phantom js  but not sure whats the flow

User · Answer

Phantom js is an headless webkit server and it will load any web page and render it in memory  although you might not be able to see it  there is a Screen Capture feature  in which you can export the current view as PNG  PDF  JPEG and GIF  Have a look at this example from phantom js documentation

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Use html-pdf   var fs   require  fs    var pdf   require  html-pdf    var html   fs readFileSync    test businesscard html    utf8    var options     format   Letter      pdf create html  options  toFile    businesscard pdf   function err  res      if  err  return console log err     console log res        filename    app businesscard pdf

User · Answer

Try to use Puppeteer to create PDF from HTML  Example from here https   github com chuongtrh html to pdf   Or https   github com GoogleChrome puppeteer

User · Answer

For those who don t want to install PhantomJS along with an instance of Chrome Firefox on their server - or because the PhantomJS project is currently suspended  here s an alternative   You can externalize the conversions to APIs to do the job  Many exists and varies but what you ll get is a reliable service with up-to-date features  I m thinking CSS3  Web fonts  SVG  Canvas compatible    For instance  with PDFShift  disclaimer  I m the founder   you can do this simply by using the request package   const request   require  request   request post       https   api pdfshift io v2 convert                   auth     user    your api key             json     source    https   www google com             encoding   null             error  response  body    gt            if  response     undefined                return reject   message    Invalid response from the server     code   0   response   response                     if  response statusCode    200                   Do what you want with  body   that contains the binary PDF                Like returning it to the client - or saving it as a file locally or on AWS S3             return True                       Handle any errors that might have occured

User · Answer

You can also use pdf node creator package  Package URL - https   www npmjs com package pdf-creator-node

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In addition to  Jozzhart Answer  you can make a local html  serve it with express  and use phantom to make PDF from it  something like this  const exp   require  express    const app   exp    const pth   require  quot path quot    const phantom   require  phantom    const ip   require  quot ip quot     const PORT   3000  const PDF SOURCE    quot index quot     index html const PDF OUTPUT    quot out quot     out pdf  const source   pth join   dirname   quot  quot      PDF SOURCE  html    const output   pth join   dirname   quot  quot      PDF OUTPUT  pdf     app use  quot   quot    PDF SOURCE  exp static source    app use  quot   quot    PDF OUTPUT  exp static output     app listen PORT    let makePDF   async  fn    gt        let local    http     ip address      PORT    PDF SOURCE        phantom create   then  ph    gt            ph createPage   then  page    gt                page open local  then      gt                  page render output  then      gt    ph exit    fn                                            makePDF      gt        console log  quot PDF Created From Local File quot        console log  quot PDF is downloadable from link  quot        console log  http     ip address      PORT    PDF OUTPUT          and index html can be anything   lt h1 gt PDF HEAD lt  h1 gt   lt a href  quot   quot  gt LINK lt  a gt   result

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In case you arrive here looking for a way to make PDF from view templates in Express  a colleague and I made express-template-to-pdf  which allows you to generate PDF from whatever templates you re using in Express - Pug  Nunjucks  whatever   It depends on html-pdf and is written to use in your routes just like you use res render   const pdfRenderer   require   ministryofjustice express-template-to-pdf    app set  views   path join   dirname   views    app set  view engine    pug    app use pdfRenderer       If you ve used res render then using it should look obvious   app use   pdf    req  res    gt        res renderPDF  helloWorld     message   Hello World            You can pass options through to html-pdf to control the PDF document page size etc  Merely building on the excellent work of others

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If you want to export HTML to PDF  You have many options  without node even  Option 1  Have a button on your html page that calls window print   function  use the browsers native html to pdf  use media queries to make your html page look good on a pdf  and you also have the print before and after events that you can use to make changes to your page before print   Option 2  htmltocanvas or rasterizeHTML  convert your html to canvas   then call toDataURL   on the canvas object to get the image   and use a JavaScript library like jsPDF to add that image to a PDF file  Disadvantage of this approach is that the pdf doesnt become editable  If you want data extracted from PDF  there is different ways for that   Option 3   Jozzhard answer

User · Answer

The best solution I found is html-pdf  It s simple and work with big html   https   www npmjs com package html-pdf  Its as simple as that       pdf create htm  options  toFile    pdfname pdf   function err  res            if  err              console log err

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Package  I used html-pdf  Easy to use and allows not only to save pdf as file  but also pipe pdf content to a WriteStream  so I could stream it directly to Google Storage to save there my reports    Using css   images  It takes css into account  The only problem I faced - it ignored my images  The solution I found was to replace url in src attrribute value by base64  e g    lt img src  data image png base64 iVBOR   kSuQmCC  gt   You can do it with your code or to use one of online converters  e g  https   www base64-image de   Compile valid html code from html fragment   css   I had to get a fragment of my html document  I just appiled  html   method on jQuery selector   Then I ve read the content of the relevant css file    Using this two values  stored in variables html and css accordingly  I ve compiled a valid html code using Template string  var htmlContent      lt  DOCTYPE html gt   lt html gt     lt head gt       lt style gt          css       lt  style gt     lt  head gt     lt body id direct-sellers-bill gt        html     lt  body gt   lt  html gt     and passed it to create method of html-pdf

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In my view  the best way to do this is via an API so that you do not add a large and complex dependency into your app that runs unmanaged code  that needs to be frequently updated  Here is a simple way to do this  which is free for 800 requests month  var CloudmersiveConvertApiClient   require  cloudmersive-convert-api-client    var defaultClient   CloudmersiveConvertApiClient ApiClient instance      Configure API key authorization  Apikey var Apikey   defaultClient authentications  Apikey    Apikey apiKey    YOUR API KEY      var apiInstance   new CloudmersiveConvertApiClient ConvertWebApi     var input   new CloudmersiveConvertApiClient HtmlToPdfRequest       HtmlToPdfRequest   HTML to PDF request parameters input Html    quot  lt b gt Hello  world  lt  b gt  quot     var callback   function error  data  response      if  error        console error error       else       console log  API called successfully  Returned data      data          apiInstance convertWebHtmlToPdf input  callback    With the above approach you can also install the API on-premises or on your own infrastructure if you prefer

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Extending upon Mustafa s answer   A  Install http   phantomjs org  and then   B  install the phantom node module https   github com amir20 phantomjs-node    C  Here is an example of rendering a pdf  var phantom   require  phantom        phantom create   then function ph        ph createPage   then function page            page open  http   www google com   then function status                page render  google pdf   then function                     console log  Page Rendered                    ph exit                                              Output of the PDF     EDIT  Silent printing that PDF   java -jar pdfbox-app-2 0 2 jar PrintPDF -silentPrint C  print mypdf pdf

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Create PDF from External URL  Here s an adaptation of the previous answers which utilizes html-pdf  but also combines it with requestify so it works with an external URL   Install your dependencies  npm i -S html-pdf requestify   Then  create the script     MakePDF js  var pdf   require  html-pdf    var requestify   require  requestify    var externalURL   http   www google com    requestify get externalURL  then function  response          Get the raw HTML response body    var html   response body      var config    format   A4       or format   letter  - see https   github com marcbachmann node-html-pdf options     Create the PDF    pdf create html  config  toFile  pathtooutput generated pdf   function  err  res          if  err  return console log err         console log res        filename    pathtooutput generated pdf                 Then you just run from the command line   node MakePDF js   Watch your beautify pixel perfect PDF be created for you  for free

[node.js] HTML to PDF with Node.js

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