How to export Charts to PDF with jsPDF in Chart JS

How to export Charts to PDF with jsPDF in Chart JS
In this video we will cover how to export charts to pdf with jsPDF in chart js. We will be using the jsPDF library which is a nice and powerful library where you can start creating nice pdf files with codes.
Exporting a chart image can be complicated because we are dealing with multiple parts. First we need to get the image then convert it into a PDF file. While doing that we will notice that the background color which is transparent start to interfer with out background. That means we also need to solve the background color at the same time.
Let's explore this right now!
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Why we created these #chartjs and #javascript video tutorials?
WHY
Creating charts in javascript is very rewarding but extremely challenging. The Chart JS library made it easier to render charts. However the chart js documentation is hard to understand for many. It requires a lot of different moving parts to work along. The canvas tag, javascript, arrays and Chart JS all need to be combined to draw an eye catching bar chart or line chart.
The videos explains the chart js documentation in a more visual and easy to understand way. You can follow along with the code and quickly grasp how it works. We cover the code in chart js but also what truly happens and why something happens when we write a line of code. This fundamental understanding gives clarity to you as a developer in chartjs. In short it is the Chart JS video documentation.
HOW
We answer questions from YOU (viewers) by creating an answer video that covers the questions YOU have posted in the comment section.
WHAT
Our goal is to help YOU learn how to draw charts in Chart JS by showing you in video format how to do it.
Chart JS Video Documentation Site: www.chartjs3.com
▬ Chart JS 3.6.0 ▬▬▬▬▬▬▬▬▬▬▬▬
Chart JS is a javascript library to draw charts in the canvas tag on your site. Presenting data in a visual manner such as charts is more effective and appealing. All the charts are always coded in the latest Chartjs version which is as of this recording Chart JS 3.6.0.
What type of charts can you make with Chart.JS?
With chart js you can make line chart, bar chart, pie chart, doughnut chart, scatter chart, polar area chart, radar chart, gauge chart and area chart. And with some clever tricks and visual adjustment more can be done.

[@dalf22]

B-E-A-U-T-I-F-U-L !! Thanks ! Looking forward for the jsPDF seriees, but this is something I did not know I need it.

[@rnzsilvam]

Thanks a lot!!! greetings from Peru!

[@rizwankamleen1691]

Thanks for the video, it helps me a lot. Just an induction (correct me if needed) that instead of using jpeg if png is used, the downloaded graph is white in the background by default. The downloaded chart is somehow blurry so if you can guide for that too, will be a blessing. 🙂

[@randallparman5862]

I am trying to add datalabels to a chart that uses jsPDF and ChartDataLabels. Whenever I add the plugins: [ChartDataLabels] the chart background is black. I have the bgColor plugin that you show in this video. Are we not able to add labels to the PDF output? Thank you. All your videos have been helpful.

[@edgarsantiago3688]

I have a problem and it is that how the graph adapts to the device is how it will be seen in the pdf, that is, it is not a fixed view, I would like it to be a PC-only view for the PDF.

[@hermanheunis9354]

Good video. Very importrant is the jspdf.debug.js lib, sincs the PDFJS object will not be found without it.

[@danialsheikh7010]

Hi there, My chart is way too big to fit on the pdf document and keeps cutting on the page is there anyway to ensure it fits each time?

[@RicardoChiavelli]

Great tutoria! I have many charts on a page (multiple canvas). How can I save all as a PDF file?

[@anilkrishnadesu3243]

i want render a pie chart in my pdf, i not rendering this my chart on my jsx, i am using react js, and using this chart js versions `` "chart.js": "^4.4.1",`` and ``` "react-chartjs-2": "^5.2.0",```, please respond to my comment. i am not rendering the chart in jsx.

[@anggagemilang7956]

i have case that line chart too long so it need to scroll, is it possible if I export little by little range of data to a multiple page in pdf? thanks

[@suniliihglobal]

I have already used same but PDF generated blury even quality set (1.0) please here for that thank in advance.

[@mavbcn1790]

How could I export some chars and some text to get a full report in pdf? thanks!

[@loupsalome8874]

Hello , i tried this tutorial , but when i call the addImage function , and then i save to pdf. It give me a black square , how can i fix it ?

[@affifahnasrillah8303]

in advance, I thank you because this video is very helpful. but allow me to ask, how to insert a logo on the page containing the chart? thanks before..

[@ChartJS-tutorials]

Hi Affifah, thank you for your question. I haven`t tested this but I suspect this should work. Add image first in the canvas like this: kzbin.info/www/bejne/gqK5p6uIrpmonNE

[@balajiprabhaharan4032]

is it possible to export the charts in excel format with filters?

[@acydburn01]

this is great. also would like to know how to put the data on the bars of the barchart when exported to pdf. you know when you hover on the chart and it shows the value as a tooltip. how do we add that when we export to pdf? thanks

[@ChartJS-tutorials]

Hi Acydburn01, thank you for your question. While having tooltips shown all the time is not possible but there is an alternative. You can use the Chart.js Datalabels Plugin also known as [chartjs-plugin-datalabels] to show the labels fixed on top of the bar. I have an entire series here: kzbin.info/aero/PLc1g3vwxhg1W4bPr3UrM_7xfzJr1O08cZ It will show you all the features and options that the datalabels plugin has.

[@parimal20]

i have multiple charts in one page so how to export all graph in one pdf?

[@santiagospizzirri]

I have the same issue, multiple charts in one page. Let's hope he sees this. :)

[@ChartJS-tutorials]

Hi Santiago and Parimal. I have already made a note on this topic. Currently improving my jsPDF knowledge. I hope to have soon an answer.

[@parimal20]

@@ChartJS-tutorials I tried to use loop on html2canvas().then(function(){canvas.toDataURL()}) but html2canvas using promise so it doesnt support synchronous and when i generate pdf, it downloads blank. so if anyone have idea to make synchronous please guide.

[@parimal20]

@khodor osmane Yes. I got solution. I used for loop and inside it i used await html2canvas.

[@sanjeer6202]

@@parimal20 can you please share the code link ?? Please??

[@fihfgpwoejf8611]

Hi i get an error that says tahat jsPDF is not a constructor

[@ivanjosuecarrillosolis7417]

thanks

[@pablomoragacontrera4311]

I can do on typescript? react

[@ekadalaspangestu8429]

How can I export my chartjs to excel