AI-powered writing assistant for grammar, style, and tone improvements across documents and emails.
AI Checker & Shield
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About AI Checker & Shield
AI Checker & Shield is a free, browser-based professional suite designed to ensure digital security, detect synthetic content, and protect sensitive data. The platform offers four main tools: Image Detective for analyzing whether photos are AI-generated, Prompt Shield for masking private information in text or code, ID Stamp for adding watermarks to identity documents, and Face Blur for automatically detecting and obscuring faces in images. All analyses run locally in the user’s browser with no data transmitted to external servers. The system processes images, text, and files entirely client-side, deleting them from memory immediately after processing. It provides algorithmic estimates rather than definitive legal proof, serving as guidance for users such as journalists, event photographers, or individuals handling sensitive documents. The tools support multiple languages and operate without registration or installation requirements.
Key features
- AI-generated image detection via metadata and noise analysis
- Automatic masking of sensitive data in text and code
- Watermark stamping for ID photocopies
- Face detection and blurring in photos
- Client-side processing with instant data deletion
- Multi-language support
- No server-side storage or tracking
- Drag-and-drop file upload interface
Use cases
- Verifying authenticity of images for journalism or content creation
- Protecting sensitive information in shared documents or code
- Anonymizing faces in event photography or public images
Pros
- Client-side processing with no data transmission to external servers
- Supports multiple file types including images, text, and documents
- No registration, payment, or installation required
- Offers privacy-focused features like data masking and face anonymization
- Provides verification steps to confirm local processing
Cons
- Results are algorithmic estimates rather than definitive proof
- Limited to browser-based operation
- No mobile application available
Frequently asked questions about AI Checker & Shield
What is AI Checker & Shield and is it free?
AI Checker & Shield is a free, browser-based tool suite that detects AI-generated images, masks sensitive data, stamps watermarks on ID documents, and anonymizes faces. No registration, payment, or installation is required, and all operations run directly in the user's browser.
Do my uploaded files go to external servers?
No. None of the images, texts, or documents uploaded to AI Checker & Shield reach external servers. All processing occurs client-side in the browser, and data is erased from memory immediately after analysis.
How are AI-generated images detected by Image Detective?
Image Detective analyzes EXIF metadata, pixel-level noise maps, and compression artifacts to compare AI-generated signatures (e.g., DALL-E, Midjourney, Stable Diffusion) against real camera metadata, producing a probability score rather than definitive proof.
What does Prompt Shield do and which types of data does it mask?
Prompt Shield automatically detects and masks sensitive data in text and code, including email addresses, phone numbers, IP addresses, credit card numbers, IBANs, API keys, JWT tokens, MAC addresses, national ID numbers, passwords, and sensitive URL parameters.
How can I verify that my data isn't sent to external servers?
Users can verify client-side processing by opening DevTools, checking the Network tab for any upload or fetch requests, and confirming that no data is transmitted to external servers during operations.
Who is AI Checker & Shield designed for?
The tool is designed for professionals such as journalists, event photographers, and individuals handling sensitive documents who need to detect synthetic content, protect privacy, or anonymize images without relying on external servers.
