100% Offline • Zero Data Collection

Stop Feeding Your
Secrets to AI.

Instantly redact names, emails, and phone numbers from your docs.
100% Offline. AI-Safe.

Instant Redaction

No Server Upload

GDPR Friendly

safeprompt.app

Original Document

Dear John Smith,

Your account email john.smith@email.com has been updated.

Contact: +1 (555) 123-4567

Redacted Output

Dear [NAME],

Your account email [EMAIL] has been updated.

Contact: [PHONE]

The Hidden Risk

Your Data, Their Training Set

When you paste sensitive information into AI chatbots, that data could be used to train future models. Once sent, you lose control forever.

Unsafe Prompting

What most people do

Raw PII sent directly to AI servers

Data may be logged and reviewed

Could be used for model training

EXAMPLE PROMPT

"Summarize this email from john.doe@company.com about the $2.5M acquisition..."

Sanitized Prompting

With SafePrompt Redactor

PII replaced with safe placeholders

All processing happens locally

Zero data leaves your device

SANITIZED PROMPT

"Summarize this email from [EMAIL_1] about the [AMOUNT_1]..."

87%

of breaches involve human error

4.45M

average cost of data breach

277

days to identify a breach

100%

preventable with SafePrompt

Simple & Fast

How It Works

Three simple steps to protect your sensitive information before sharing with AI assistants.

Drop Your File

Drag and drop your PDF or text file. Everything is processed locally in your browser—nothing leaves your device.

Processed locally

Auto-Redact PII

Our smart detection engine identifies names, emails, phone numbers, SSNs, addresses, and more with high accuracy.

Smart detection

Copy Safe Text

Copy the sanitized content and paste it safely into ChatGPT, Claude, or any AI assistant without privacy concerns.

Ready for AI

Try It Live

7 items detected

Your Text (editable)

PII Highlighted

Please review the contract for Sarah Johnson at sarah.j@techcorp.com. Her SSN is 123-45-6789 and her card number is 4532-1234-5678-9012. Contact Acme Corporation at +1 (555) 123-4567 for more details about the Microsoft Inc partnership.

nameemailssncreditCardcompanyphone

Safe Output

Please review the contract for [NAME_1] at [EMAIL_1]. Her SSN is [SSN_1] and her card number is [CARD_1]. [COMPANY_1] at [PHONE_3] [COMPANY_2] partnership.

[NAME_1][EMAIL_1][SSN_1][CARD_1][COMPANY_1][PHONE_3]+1 more

Try pasting text with emails, phone numbers, SSNs, credit cards, names, or company names

Coming Soon

Manual click-to-redact controls for full customization

Enterprise Ready

Built for Security

Deterministic privacy through precision engineering—no black-box algorithms, just transparent, auditable redaction you can trust.

Bank-Grade Privacy

All processing happens locally in your browser. Your data never touches our servers—zero network requests, zero tracking.

True Redaction

We don't just draw a black box. We flatten the document and permanently remove the underlying text layer, making recovery impossible.

Precision Pattern Matching

Uses strict, industry-standard regex patterns to identify SSNs, emails, and credit cards with 100% deterministic accuracy. No hallucinations.

Layout Preservation

Your document formatting stays intact. We surgically remove only the sensitive data while keeping your headers, tables, and fonts perfect.

PDF & Text Support

Upload PDFs, Word docs, or plain text files. Our parser handles complex document formats with ease.

Instant Processing

Redact documents in milliseconds. No waiting for server responses—everything runs at native browser speed.

GDPR & HIPAA Friendly

Perfect for healthcare, legal, and enterprise users who need to maintain strict compliance standards.

Reversible Redaction

Keep a local mapping to restore original values when needed. Perfect for document workflows.