app.py

import streamlit as st
import cv2
import numpy as np
from PIL import Image

# App title
st.title("Image to Grayscale Converter 🎨➡️🖤")

# File uploader
uploaded_file = st.file_uploader("Upload an image", type=["jpg", "jpeg", "png"])

if uploaded_file is not None:
    # Read the uploaded image
    image = Image.open(uploaded_file)
    st.image(image, caption="Original Image", use_column_width=True)

    # Convert the image to an OpenCV format
    img_array = np.array(image)

    # Convert to grayscale
    gray_image = cv2.cvtColor(img_array, cv2.COLOR_RGB2GRAY)

    # Display the grayscale image
    st.image(gray_image, caption="Grayscale Image", use_column_width=True, clamp=True)