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I'm converting the page to canvas and then canvas to the image. Function convertCanvasToImage returns image link as base64 encoded link. Looking for a solution to decode it cause I'll need that later and would be easier.

Encoded image starts with data:image/png;base64,longString.

I tried

var  decodedData = window.atob(n); and http://www.webtoolkit.info/javascript-base64.html

But it returns chinese characters.

Also, I tried sending the encoded string to the server via ajax and then try with base64_decode. Still, I get odd output.

Any reference or solution how to decode base64 png image and get normal URL of the image? Is it possible for a canvas to return normal URL not encoded?

how to redirect encoded special characters url to proper address?in my project encoded url routing to web page.i created route something like this

{ path: 'welcome/:id', component: WelcomeComponent },

actually i am passing url like http://localhost/welcome%3Fid%3D45but this is not acceptingand it is accepting only http://localhost/welcome?id=45

I am getting this url redirection from third party sitehttp://localhost:4200/account/congratulations%3FdocumentId%3Dnnn

but i need to decode as http://localhost:4200/account/congratulations?documentId=nnn

for rendering my page'%3F' = '?''%3D' = '='where do i need to decode this in my project?

I am sending my email address through a form which is submitted by ajax to controller and the data for the ajax is created by this function:

// Function "serializeToJson" - Serialize form data, merge new object and returns json objectfunction serializeToJson(element, newObj){    // Serialize form and split into Json Object    var data = element.serialize().split("&");    var object = {};    for(var key in data){        object[data[key].split("=")[0]] = data[key].split("=")[1];    }    // Merge new json obj to existing json object    const target = {};    $.extend(target, newObj, object);    // return the final json object    return target;}

and in my ajax

data : serializeToJson(SUform, {action:'process_signup'}),

The email which is being sent through the form is getting urlencoded i.e.

xxxxxxxxxx%40gmail.com

the %40 should be decoded to @ when i receive the data in my controller.In my controller i have set the following form validation rules for email:

$this->form_validation->set_rules('email', 'Email', 'trim|required|valid_email|is_unique[users.email]');

The error:

The Email field must contain a valid email address

What i want?

Is there any way by which i can urldecode the email in form validation ?

Im trying to decode the email, since its been encoded in the url, but the urldecode() function wont decode it.

I'v also tried rawurldecode(), then tried first encoding it myself and then decoding it, but its still encoded like %40 instead of an @ sign.

Here is the code:

$isValid = ! User::emailExists(urldecode($_GET['email']));

Im getting something like this:

http://localhost/account/validate-email?email=some_email%40gmail.com