Create data URIs on the fly?

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Is there a script (javascript / client side). That create data URIs on the fly. Now i create data URIs with a online base64 creator. And then put that output in the css file. But when i changing the images. Its a lot of work to do it. Is there a script, that can do it for me.?

Data URIs, The modern browsers now have good support for base64 encoding and decoding. There are two functions respectively for decoding and encoding base64� Data URIs are not limited to images, they could literally be anything. <canvas> may obsolete the coolness of all this, when it gets more supported and people build cool tools for it. Compass has a helper .

As a complete solution to your scenario, you can use fetch to get a blob representation of your image, and then use FileReader to convert the blob in its base64 representation

// get an image blob from url using fetch
let getImageBlob = function(url){
  return new Promise( async resolve=>{
    let resposne = await fetch( url );
    let blob = resposne.blob();
    resolve( blob );

// convert a blob to base64
let blobToBase64 = function(blob) {
  return new Promise( resolve=>{
    let reader = new FileReader();
    reader.onload = function() {
      let dataUrl = reader.result;

// combine the previous two functions to return a base64 encode image from url
let getBase64Image = async function( url ){
  let blob = await getImageBlob( url );
  let base64 = await blobToBase64( blob );
  return base64;

// test time!
getBase64Image( '' ).then( base64Image=> console.log( base64Image) );

Data URLs, If you are using PHP (or PHP as CSS), you could create data URIs on the fly like this: <?php echo base64_encode(file_get_contents("../images/folder16.gif")) ?>� A synth piano synth that generates all of its audio files dynamically using JavaScript and data URIs. Choose from a variety of sounds styles and play with the looper, visual waveforms, and more.

One way is to make a Blob of an object, and then use URL.createObjectURL()

let a = URL.createObjectURL(new Blob([JSON.stringify({whatever: "String..."}, null, 2)]))


data: URI Generator, The data: URI scheme allows you to build URLs that embed small data objects. data: URIs are supported by most modern browsers - you can read about browser� Using a library. Make libraries, not the war. FileSaver.js implements the saveAs() FileSaver interface in browsers that do not natively support it.. If you need to save really large files bigger then the blob's size limitation or don't have enough RAM, then have a look at the more advanced StreamSaver.js that can save data directly to the hard drive asynchronously with the power of the new

GENERATING DATAURI IMAGES WITH GO, A data URI is basically a base64 bit encoded string of characters. Create an API with an endpoint that returns a PNG image containing the� This capability allows a web page to include in-line data such as images as if they are external resources. However, one of the most commonly-used browsers, the Internet Explorer (as of current v8.0) does not fully support data URI. In IE8, data URIs must be smaller than 32KB. This poses a problem when we require a barcode image bigger than 32KB.

heroku/urinception: Data URIs over HTTP, Instead of creating static test fixtures, hosting them somewhere, and hard coding the URI in tests, this service allows the tests to generate Data URIs on the fly� Data URI allows us to specify the character encoding of the data. Since the files are generated on the fly at the time of link execution, this may also be used to bypass the users running antivirus protection as the data content is already on the user's browser.

Convert Image to Data URI with JavaScript, I've created a utility for converting an image to data URI using JavaScript. Whenever I go on a "performance run" on a website, the first place I� Create a collection. Click on this button to create a collection. 3 of 9 Change name. Click here to change the name of the collection . 4 of 9 Active collection. This is your active collection. One collection can have up to 256 icons if you are a registered user or 50 if you are not registered. 5 of 9 Color