# Generate New Unique IDs for a Block

For a single block, if you need to reset the unique IDs, you can do so in the block's context menu.

<figure><img src="/files/Y0rhDwoRp3juaGj5Yvng" alt=""><figcaption><p>Generate New Unique IDs option</p></figcaption></figure>

{% hint style="danger" %}
**Why generate new Unique IDs?** GenerateBlocks uses the unique ID attribute of its blocks to do style targeting. If you copy/duplicate a block, sometimes the old unique ID carries over, and modifying one block changes the other. With an updated unique ID, the block can be style-independent of other block styles.
{% endhint %}

When generating new Unique IDs, the conversion works recursively, so any child blocks will also have their unique IDs reset also.

If you need to change the Unique IDs for a group of blocks, wrapping those in a Container block and generating the new Unique IDs for the Container block is recommended.


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