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Using JavaScript to add greyscale scale effect to uploaded image in the backend an previewing it it to the user

I am trying to create a page that allows the user to upload image <input type="file"> and gets an edited version of it such as scale-down,resized and blur of it.

I haven't actually writing any codes yet. Am trying to figure out how to write that program, hope someone can help me out.

  1. So what I want to achieve is for the user to upload the image and in the background the effects is added to the upload image and log back to the user as a preview

  2. The user will not be able to download the preview images since there will be no button for that.

I know JavaScript will be suitable for writing that program but figure out how to get the uploaded image and add the effects to it and preview it back to the user. Please help me out, thank you for your precious time and efforts in helping me am grateful

about 4 years ago · Juan Pablo Isaza
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