> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.formester.com/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# Spam protection


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Spam submissions clutter your data and waste valuable time. To keep your forms clean and secure, Formester gives you three layers of [**spam protection**](https://formester.com/features/spam-protection/):
* **Google reCAPTCHA**
* **Cloudflare Turnstile**
* **Formester’s AI Spam Protection**
You can use any one of these methods or combine them for extra safety.

# Adding Spam Protection to Your Form
* Open your form in the Formester editor.
* Click **Add Elements**.
* Under **Spam Protection**, you will see **reCAPTCHA** and **Turnstile**.
* Select one and add it to your form.
* To enable **AI Spam Protection**, go to **Form Settings** and toggle it on.

### Configuring Google reCAPTCHA
* Add the **reCAPTCHA field**.
* Open the **properties panel**.
* Edit the field label, such as *“Verify you’re not a robot”*.
* Publish your form.
This adds the classic checkbox or challenge for users.

### Configuring Cloudflare Turnstile
* Add the **Turnstile field**.
* Open the **properties panel**.
* Customize the label if needed.
* Publish your form.
Turnstile works silently and does not require interaction in most cases.

### Enabling Formester AI Spam Protection
Formester also provides **AI-powered spam filtering**, which detects bot-like submissions automatically.
* Go to your form’s **Settings**.
* Toggle on **AI Spam Protection**.
* This works in the background without affecting the user’s form experience.
AI Spam Protection is great for blocking suspicious entries even if someone bypasses basic verifications.

### Comparison: reCAPTCHA vs Turnstile vs AI Spam Protection
| **Feature** | **Google reCAPTCHA** | Cloudflare Turnstile | Formester AI Spam Protection |
| ---- |
| User Interaction | Requires click or puzzle | Mostly invisible | No user interaction |
| Ease of Setup | Simple | Simple | Toggle in settings |
| User Experience | Slight delay | Smooth, seamless | Fully seamless |
| Accuracy | High | High | Learns and adapts over time |
| Best For | Familiar and trusted option | Seamless UX | Extra security in background |

### Publish and Test
* After enabling your chosen spam protection, click **Publish**.
* Test your form to confirm that everything works as expected.

### Summary
Formester lets you protect forms with **Google reCAPTCHA**, **Cloudflare Turnstile**, and **AI Spam Protection**. By combining these, you keep your data clean, reduce spam, and give users a smooth form-filling experience.