Preview Image before Upload using vuejs

Today, We want to share with you Preview Image before Upload using vuejs.In this post we will show you vue firebase image upload, hear for vue js validate image upload we will give you demo and example for implement.In this post, we will learn about Image file upload using Vue.js and instant preview with an example.

Preview Image before Upload using vuejs

There are the Following The simple About Preview Image before Upload using vuejs Full Information With Example and source code.

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As I will cover this Post with live Working example to develop vue drag and drop upload, so the vuejs image src for this example is following below.

Step 1: HTML Part


    <div id="root"></div>

Step 2: Vuejs Part


new Vue({
    el: '#root',
    template: `
            <div class="file-upload-form">
                Upload an image file:
                <input type="file" @change="previewImage" accept="image/*">
            <div class="image-preview" v-if="uploadedData.length > 0">
                <img class="preview" :src="uploadedData">
    data: {
        uploadedData: ""
    methods: {
        previewImage: function(event) {
            var input =;
            if (input.files && input.files[0]) {
                var reader = new FileReader();
                reader.onload = (e) => {
                    this.uploadedData =;

Step 3: CSS Part


.file-upload-form, .image-preview {
    font-family: "Helvetica Neue",Helvetica,Arial,sans-serif;
    padding: 20px;
img.preview {
    width: 200px;
    background-color: white;
    border: 1px solid #DDD;
    padding: 5px;

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