# 50% alpha effect in gif or png

**URL:** <https://forum.kirupa.com/t/50-alpha-effect-in-gif-or-png/48566>\
**Category:** design\
**Created:** [April 14, 2004, 6:30pm UTC](https://forum.kirupa.com/t/50-alpha-effect-in-gif-or-png/48566 "2004-04-14T18:30:07Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![toh](https://avatars.discourse-cdn.com/v4/letter/t/f6c823/32.png) [@toh](https://forum.kirupa.com/u/toh)\
**Post date:** [April 14, 2004, 6:30pm UTC](https://forum.kirupa.com/t/50-alpha-effect-in-gif-or-png/48566/1 "2004-04-14T18:30:07Z")

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i want to make a 50% alpha square. So that when i put in my website, the bg image can be shown partially through the square.

So, can anybody give me an advice on how to make this square in photoshop7?

Thanx!!