1. Open Photoshop. Open the image to apply Glass border.
2. Select Rectangular Marquee Tool and make rectangular selection on the image.
3. Go to Channels tab. Create new channel.
Select > Feather (Radius: 7)
Fill white color and deselect the selection with CTRL+ D.
4. Filters > Distort > Glass
Distortion: 5
Smoothness: 3
Texture: Frosted
Scaling: 100%
5. Go to Layers Tab and create new layer. Keep the new layer selected.
6. Select > Load Selection (Select Alpha1 from channel drop down and check Invert)
7. Fill white color using Alt + Del. and deselect with CTRL + D.
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