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0.0.1 • Public • Published

Image cropper for Angular




npm install ngx-image-cropper --save

Example usage:

Add the ImageCropperModule to the imports of the module which will be using the Image Cropper.

import { NgModule } from '@angular/core';
import { ImageCropperModule } from 'ngx-image-cropper';

    imports: [
    declarations: [
    exports: [
    providers: [
export class YourModule {

Add the element to your HTML:

<input type="file" (change)="fileChangeEvent($event)" />

    [aspectRatio]="4 / 3"

<img [src]="croppedImage" />

And add this to your ts file:

imageChangedEvent: any = '';
croppedImage: any = '';

fileChangeEvent(event: any): void {
    this.imageChangedEvent = event;
imageCropped(image: string) {
    this.croppedImage = image;
imageLoaded() {
    // show cropper
loadImageFailed() {
    // show message

When you choose a file from the file input, it will trigger fileChangeEvent. That event is then passed to the image cropper through imageChangedEvent which will load the image into the cropper. Everytime you release the mouse, the imageCropped event will be triggerd with the cropped image as a Base64 string in its payload.


All inputs are optional. Either the imageChangedEvent or imageBase64 should be set to load an image into the cropper.


Name Type Default Description
imageChangedEvent FileEvent The change event from your file input (set to null to reset the cropper)
format string png Output format (png, jpeg, webp, bmp, ico) (not all browsers support all types, png is always supported, others are optional)
maintainAspectRatio boolean true Keep width and height of cropped image equal according to the aspectRatio
aspectRatio number 1 / 1 The width / height ratio (e.g. 1 / 1 for a square, 4 / 3, 16 / 9 ...)
resizeToWidth number 0 (disabled) Cropped image will be resized to this width (in px)
onlyScaleDown boolean false When the resizeWidth is set, enabling this option will make sure smaller images are not scaled up
imageBase64 string If you don't want to use a file input, you can set a base64 image directly and it will be loaded into the cropper
cropper { x1: number, y1: number, x2: number, y2: number } To be able to get the cropper coordinates, you can use this input. Create a new object {x1: number, y1: number, x2: number, y2: number } and assign it to this input. Make sure to create a new object each time you wish to overwrite the cropper's position.
imageQuality number 92 This only applies when using jpeg or webp as output format. Entering a number between 0 and 100 will determine the quality of the output image.


Name Type Description
imageCropped string Emits a Base64 string of the cropped image each time it is cropped
imageLoaded void Emits when the image was loaded into the cropper
loadImageFailed void Emits when a wrong file type was selected (only png, gif and jpg are allowed)


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  • cguy