I want to keep my forms but just downgrade, how do I do this?

To simply downgrade your subscription back to free plan, please follow this guide:

https://www.jotform.com/help/341-How-to-Downgrade-Subscription-back-to-Free-Account

Since your account has well under the available 500 total number of submissions stored for free accounts, and is using well under 100 MB of total upload space for free accounts, your forms and submissions will continue to function just fine after downgrading your account.

Once you are back on the free plan, when you will need any of the higher limits that come with a paid subscription plan, you can always upgrade your account again by simply following this guide:

https://www.jotform.com/help/331-How-to-upgrade-my-account

If you need further assistance, kindly let us know and we'll be happy to help.