You can fill the transparency of an image (fill alpha channel) using this tool. Select the image, choose a replacement color and click the Apply changes button.
You can select the image format you need, apply the changes and immediately see the result. If it suits you, save the processed image to your device.
All processes with images are carried out in your browser (on the client side). All your images always remain on your device without uploading anywhere.
There are no restrictions. With this tool you can process any number of images.