Official way to verify Steam key is you can visit Steam CD key Query page : https://partner.steamgames.com/querycdkey/
& verify keys 1 by 1 on steam official website.

To verify distributed steam game keys activation status in bulk

To verify steam keys status distributed across multiple stores, platforms, giveaways, etc.

Only Steamwork Partners, who have authority to verify their own game steam key status.

No. It's impossible

We created this tool as browser extension because it completely works on client side.

To manage distributed steam keys.

To ban Distributed and Non-Activated steam keys.

To redistribute Non-Activated steam keys by knowing activations status.

Yes. Currently, you can verify 1000 steam keys at once. ( Recommended 500 at once )

Currently, you can verify 1000 steam keys at once. ( Recommended 500 at once )

Activation Status, Activation date and time, steam key game name, steam key group name.

Yes, because extension completely works on client side.

Yes, because extension completely works on client side.

Extension don't share any data with server.

We only store Email ID on server side.

We created this tool as extension to avoid security risks & keep everything on client side. So it's completely safe and secure to use.

No, but you can BAN key from steam query dashboard. To free up Steam key request Quota.

Extension only help you find Non-Activated Keys from thousands of keys.

If you have so many keys Non-Activated then steam will not provide new keys, before banning or Activating previously provided keys.

So, Simply you need to BAN keys to request new keys from steam & Steam Key Checker helps you Identify Non-Activated Keys.

Yes