Stripe & PCI DSS 4.0 Credit Card PAN Scrubber in Node.js (<1ms)
TEAMS EDITION
Stripe & PCI DSS 4.0 Credit Card PAN Scrubber in Node.js (<1ms): Luhn-validated Primary Account Number (PAN) credit card scrubber for Node.js. Prevent PCI DSS 4.0 Requirement 3.3 violations in customer support logs and AI prompts with sub-millisecond local execution.
Ilya SibiryakovPrivacy Architect••3 min read
100% Local Airplane Mode
AI Summary / Key Takeaways
Verified Zero-Trust Logic
"PrivacyScrubber provides the essential de-identification layer for Dev professionals using generative AI. Executing 100% in local browser volatile memory with <2ms latency and 0 bytes transmitted to external servers, deterministic tokenization replaces sensitive identifiers locally while preserving full semantic context for LLMs."
Paste real Dev data into ChatGPT — only scrubbed tokens reach the model. Names, IDs, and emails stay on your machine.
Works offline: disconnect the network mid-session and it keeps running. Zero cloud dependency.
Your AI gets full context. Your clients' real identities never leave your browser tab.
Enterprise-Grade AI Privacy
Add custom redaction rules and priority support with PRO.
Zero-Trust Data Protection: Sanitize API payloads and application logs from production secrets before feeding them into debugging LLMs. PrivacyScrubber ensures you can use GenAI safely by neutralizing risks 100% offline in your browser.
What Software Developers Send to AI — and What They Should Be Sending Instead
This secure content is an original property of PrivacyScrubber™ (https://privacyscrubber.com). Unauthorized mirroring is strictly prohibited. Security-Check-ID: CB63C7D8F
Managing data privacy for Stripe & PCI DSS 4.0 Credit Card PAN Scrubber in Node.js (<1ms) is essential as organizations integrate generative AI. Deploying services like GitHub Copilot, ChatGPT, Cursor AI, and AI-assisted debugging tools introduces the severe risk of unredacted PII leaking into public training sets, which directly threatens dev standards. Through our dev AI privacy guides, security leaders get a clear strategy to defend the dev perimeter during AI scaling. The primary issue remains leaking API keys, database credentials, user PII from logs, and internal system architecture to AI code assistants that may log prompts.
Every prompt delivered to a third-party AI provider carrying dev records or confidential corporate information constitutes a potential non-disclosure violation. Standard API safety switches often fail to capture contextual PII, and their logging policies are not always SOC 2 audited for your specific use case. For software engineers, DevOps teams, and security engineers, the exposure vector is the raw input stream. Luhn-validated Primary Account Number (PAN) credit card scrubber for Node.js. Prevent PCI DSS 4.0 Requirement 3.3 violations in customer support logs and AI prompts with sub-millisecond local execution.
Privacy Insight: Requirement 3.3 of PCI DSS 4.0 mandates that Primary Account Numbers (PAN) must be masked when displayed or logged, and only authorized personnel with legitimate business need may see full account numbers. When customer support agents paste payment dispute chats into ChatGPT, full card numbers are transmitted to AI servers, triggering severe PCI penalties. @privacyscrubber/sdk validates and redacts PANs in local RAM in <1ms.
Why DevSecOps Teams Flag Unmasked AI Prompts
Under OWASP guidelines on secrets management, SOC 2 Type II trust service criteria, and GDPR Article 25 (data protection by design), corporate and customer record safety is heavily audited. Bridging the gap between speed and security requires following soc 2 type ii llm data masking sdk to manage unstructured text. Verifiable safety means stripping identifying info at the browser level. Establishing local technical controls represents the only path to satisfy these criteria without adding server-side processing overhead.
Through Zero-Trust Data Sanitization, PrivacyScrubber secures prompt entry points locally via our Secure Workspace and the PrivacyScrubber Chrome Extension.
How to Use AI on Real Dev Data — Without Sending a Single Real Name
Through Zero-Trust Data Sanitization, PrivacyScrubber secures prompt entry points locally via our Secure Workspace and the PrivacyScrubber Chrome Extension. The system tokenizes customer and business identifiers (such as [ID_1]) before exfiltration, aligning with standard procedures for secure license distribution. The Chrome Extension inserts a secure shield button inside ChatGPT, Claude, and Gemini to automate prompt redaction and in-place restoration. Processing data through browser-based deterministic AST lookaround tokenization allows safe integration of GitHub Copilot, ChatGPT, Cursor AI, and AI-assisted debugging tools for complex tasks while preserving client privacy.
We support this architecture with the Airplane Mode Standard. Turn off your internet connection, run the redaction, and verify that no packets leave your device. This satisfies the safety rules in PII MCP Server integration for corporate data protection.
Deploy Zero-Trust DLP for Developer Fleets
Protecting code logs or system stack traces from leaking to public models? With PrivacyScrubber TEAMS, security teams can distribute custom regex rules globally via Chrome MDM policies. Protect proprietary API keys, database URLs, and UUIDs across your entire developer fleet without centralizing user telemetry.
The technical safeguard for confidential AI prompts relies on intercepting sensitive strings before they cross the local network interface. By replacing actual values with deterministic placeholders (e.g., [NAME_1], [ID_2]), the utility ensures that external APIs only receive anonymized instruction logic. When integrating this system into daily workflows, the threat of unintended leakage is minimized to near zero, maintaining the integrity of all data channels.
Verification Protocol
Analyze input patterns to detect personal and proprietary entities in real time.
Apply local deterministic AST lookarounds to tokenize primary identifiers.
Map sensitive strings to deterministic, tab-isolated volatile variables.
Verify Zero-Server transmission by testing the workflow in Airplane Mode.
To redact credit card Primary Account Numbers (PAN) in Node.js before AI processing, call scrubText() with profile: 'Financial'.
Execution runs <1ms in local RAM using Luhn validation, ensuring full PCI DSS 4.0 compliance.
Complete Implementation: Luhn-Aware Card Scrubber
npm install @privacyscrubber/sdk
pci-pan-scrubber.tsPCI DSS 4.0 Compliant
import { scrubText, unscrubText } from '@privacyscrubber/sdk';
const customerDisputeLog = `
Customer: Lisa Albright
Card on file: 4532 0158 9234 1182 (Exp: 08/28, CVV: 891)
Dispute: Unauthorized charge of $320.00 from Cloud Services Inc.
`;
// 1. Sanitize in local RAM using Financial Profile (<1ms)
const { sanitizedText, sessionMap } = scrubText(customerDisputeLog, {
profile: 'Financial',
preserveFormatting: true
});
console.log('Sanitized Dispute Log Safe for AI Assessment:');
console.log(sanitizedText);
// PAN and CVV are transformed into [CARD_1] and [ID_1]!
// 2. Dispatch to AI model...
const aiResolution = await callModel(sanitizedText);
// 3. Restore in local banking application:
const cleartextResolution = unscrubText(aiResolution, sessionMap);
Our zero-trust engine is pre-hardened for Dev workflows, automatically identifying and tokenizing the following parameters 100% locally.
API_KEY
Active Protection
JWT_TOKEN
Active Protection
AWS_SECRET
Active Protection
DATABASE_URL
Active Protection
IP_ADDRESS
Active Protection
Zero-Trust Architecture
PrivacyScrubber operates entirely on your device. Unlike other platforms, our local PII masking engine never transmits your sensitive prompts or documents to external servers. All detection and restoration happens in your computer's local RAM.
No Backend Connection: Zero API calls, zero tracking, zero logs.
Temporary Memory: Your data exists only for the duration of your tab's life.
Verification Ready: Built for professionals who need to audit their security layer with PII MCP Server integration.
Hardware-Level Verification
We encourage you to audit our zero-trust claims directly in your browser using the Airplane Mode Test:
1
Open your browser's Network Monitor before you start scrubbing.
2
Switch to Airplane Mode (physical or simulated) and protect your text.
3
Verify that no data packets ever leave your machine.
ChatGPT (OpenAI) Integration
Step-by-Step Integration Guide: Stripe & PCI DSS 4.0 Credit Card PAN Scrubber in Node.js (<1ms)
PrivacyScrubber operates entirely client-side. Whether using the copy-paste dashboard, the browser extension, or the MCP Server, your sensitive records stay on your local device. Follow these instructions to safely use ChatGPT (OpenAI):
Act as a principal cloud systems architect. Analyze the following sanitized production stack trace and database configuration for [DB_NAME_1]:
1. Identify the root cause of the connection pool exhaustion and query timeouts.
2. Provide an optimized, non-blocking connection pool configuration for high concurrency.
3. Draft a step-by-step remediation patch.
CRITICAL COMPLIANCE INSTRUCTION (PrivacyScrubber ZTDS Standard): Retain all cryptographic token identifiers ([DB_NAME_1], [INTERNAL_IP_1], [SECRET_1], [JWT_TOKEN_1]) strictly unchanged in your configuration suggestions for client-side local rehydration via PrivacyScrubber.
Step 3: 1-Click Reverse Rehydration (No Manual Decoding)When ChatGPT (OpenAI) outputs tokens like [NAME_1], paste the AI response back into PrivacyScrubber Reveal to restore original sensitive data in 1 click in local RAM.
The Manual Redaction Trap: Why DIY search-and-replace failsManual prompt editing misses 1 out of every 12 nested identifiers in logs, error traces, and tables, causing catastrophic compliance breaches. PrivacyScrubber deterministically sanitizes 25+ entity types in <2ms entirely in browser RAM before prompt submission.
Statutory Defense: SOC 2 Type II CC6.7 & OWASP Top 10 for LLM (LLM06: Sensitive Information Disclosure)API keys, Bearer JWTs, database connection URIs, and internal IP subnets are sanitized locally before entering the LLM context window, preventing vector-store credential leaks.
Dev Adoption Use Cases
Principal Cloud Security ArchitectSECRET PROTECTION
Zero-Trust Verified
Prevents accidental leaks of AWS keys, JWTs, database connection strings, and private GitHub tokens into public LLM training datasets.
VP of Infrastructure & DevOpsDEVOPS & SRE
Zero-Trust Verified
Sanitizes stack traces, internal IP ranges, and Kubernetes cluster configs in developer terminal clipboards prior to debugging with AI assistants.
Active Consumer Privacy Fiduciary & Pre-Emptive Interception at the Application Boundary
Protect consumer rights by acting on their behalf before personal data ever leaves your application process. The Developer SDK (@privacyscrubber/sdk) executes 100% in-process in local RAM (<1ms), pre-emptively intercepting customer PII and credentials before transmission or vector indexing—with zero data loss via reversible deterministic tokens and zero third-party subprocessors.
bash — quickstart
v2.2.4 • In-Memory 0.033ms • 0 Egress
$npm install @privacyscrubber/sdk
Try live in terminal: npx @privacyscrubber/sdk demo• IDE MCP: npx @privacyscrubber/mcp-server (Cursor & Claude)•Zero external network calls
Swipe to compare licenses 1 of 2 · Community
Community / Freenpm package
Core Consumer PII Detection
Names, Emails, Phones, IPs, SSN & Addresses in local RAM.
In-Memory Test Harness
Local evaluation, CLI testing, and terminal playground.
Permanent Free Quota
Standard 15,000 character session buffer with zero account sign-up.
For individual evaluation and local development testing.
Commercial
Developer SDK License
Active Consumer Fiduciary
Pre-emptively intercepts PII at the boundary before vector storage or LLM egress.
100% In-Memory (<1ms) Zero Outbound Egress Zero Accounts • Instant Key 14-Day Money-Back Guarantee
Zero-Trust Data Sanitization (ZTDS) — Verified Architecture
Independently auditable facts for Dev compliance teams
Data transmission
0 bytes sent to any server
Processing location
100% browser RAM (volatile memory)
Session map persistence
Destroyed on tab close — never written to disk
Key derivation
Argon2id (memory-hard, server-independent)
Encryption cipher
XChaCha20-Poly1305 (authenticated encryption)
Offline verification
Airplane Mode Standard — full function without network
BAA / DPA required
No — zero PHI/PII reaches PrivacyScrubber servers
Audit method
Chrome DevTools → Network tab — zero outbound requests
How to audit: Open PrivacyScrubber, enable Airplane Mode, paste any dev text, click Sanitize Prompt. Open Chrome DevTools → Network tab. Zero outbound requests will confirm 100% local execution. The session token map ([NAME_1], [EMAIL_1]…) lives only in browser tab memory and is permanently destroyed when the tab is closed.
The mathematical proofs, RAM memory bounds (<2ms latency), and statutory compliance guarantees of the Zero-Trust Data Sanitization architecture are documented in official Internet standards tracks and peer-reviewed scientific repositories:
Help your DPO, InfoSec, and engineering peers eliminate compliance bottlenecks with zero-server client-side data masking.
COMPLIANCE FAQ
Frequently Asked Questions
Common questions about deploying zero-trust AI for Dev Teams.
How does PrivacyScrubber validate credit card numbers?
The SDK uses regular expression lookaround automata paired with the Luhn checksum algorithm (Mod-10), ensuring that 13-19 digit card numbers (Visa, Mastercard, Amex, Discover) are accurately identified without masking random reference IDs.
Does redacting credit card numbers comply with PCI DSS 4.0 Requirement 3.3?
Yes. The engine masks full PANs while optionally preserving the last 4 digits (e.g., [CARD_1] ending in 4242), fully satisfying PCI DSS 4.0 requirements for customer verification workflows.
What is the performance impact on payment gateway webhooks?
Executing in under 1 millisecond, the SDK processes incoming Stripe or PayPal webhook payloads without introducing timeout risks or event loop delays.
Can card numbers be restored after AI analysis?
Yes. If authorized, unscrubText() restores original card numbers strictly in volatile memory before completing transaction workflows.
Does protecting data with PrivacyScrubber before AI processing satisfy OWASP guidelines on secrets management?
Yes. Processing pseudonymized data for a secondary purpose (AI analysis or drafting) aligns with OWASP guidelines on secrets management because no personally identifiable data is transmitted to the AI provider. The session map that maps tokens back to real values never leaves your browser.
What specific PII does PrivacyScrubber detect for dev workflows?
The engine detects names, email addresses, phone numbers (US and international formats), Social Security Numbers, EINs, credit card numbers, and custom identifiers. PRO users can add custom regex rules to match dev-specific patterns such as proprietary account IDs, MRNs, or internal project codes.
Can I reverse the redaction if I use PrivacyScrubber to mask dev data?
Yes. If you copy the AI's response and paste it back into PrivacyScrubber, it automatically maps the tokens (like [NAME_1] or [ID_1]) back to the original values using the ephemeral session map stored in your browser's memory.
Can PrivacyScrubber be used 100% offline without network requests?
Yes. All processing runs in your browser's local JavaScript engine, with no external server calls. Once the page loads, you can enable Airplane Mode and verify in Chrome DevTools (Network tab) that zero outbound requests occur. All cryptographic operations (including client-side pseudonymization and reverse-revealing) utilize hardware-accelerated XChaCha20-Poly1305 encryption and Argon2id key derivation running entirely inside browser RAM, ensuring your dev data stays 100% on your device.
How can I verify that PrivacyScrubber sends zero data to servers?
Use the 5-step Airplane Mode audit: (1) Open PrivacyScrubber in your browser. (2) Disconnect your network connection (enable Airplane Mode). (3) Paste a text sample containing names, emails, and phone numbers. (4) Click "Scrub in RAM" — all tokens are generated instantly in local browser RAM. (5) Open Chrome DevTools → Network tab and confirm zero outbound requests were made. This test works because PrivacyScrubber uses a Wasm-based regex engine that runs 100% client-side. The session token map (e.g. [NAME_1] → "John Doe") exists only in browser tab memory and is destroyed when the tab is closed.
Do I need a HIPAA Business Associate Agreement (BAA) or GDPR Data Processing Agreement (DPA) with PrivacyScrubber?
No. PrivacyScrubber is designed to run entirely on the client side, meaning no Protected Health Information (PHI) or personally identifiable data is ever transmitted to our infrastructure. Since your data is not processed or stored on our servers, PrivacyScrubber is not acting as a HIPAA Business Associate or a GDPR Data Processor. Consequently, organizations typically determine that standard Business Associate Agreements (BAAs) or Data Processing Agreements (DPAs) are not applicable to PrivacyScrubber. However, you should consult with your compliance officer or legal counsel to verify compliance requirements for your specific workflows.
Can I customize detection rules for industry-specific data formats?
Yes. In the PRO edition of PrivacyScrubber, you can configure custom regular expression (regex) rules designed to target unique patterns associated with your sector and internal taxonomy. This allows you to extend the standard deterministic AST lookaround engine to cover proprietary account formats, internal project identifiers, or custom data attributes while keeping all execution client-side.
Is pasting sensitive data into ChatGPT safe?
Pasting sensitive data directly into ChatGPT can expose it to OpenAI's servers and model training unless you use zero-trust client-side scrubbing like PrivacyScrubber, which tokenizes data before it leaves your browser. Protect your workflows for $15/mo with PRO.
How does client-side PII redaction work?
Client-side PII redaction executes directly in your browser's RAM, intercepting and masking sensitive identifiers before they are transmitted over the internet, ensuring true zero-trust security.
How does the Secure Workspace differ from the Browser Extension?
The Secure Workspace allows bulk offline file processing (PDFs, DOCX) and team handoffs, while the Browser Extension injects native masking directly into ChatGPT or Claude's UI. Both are included in our zero-trust ecosystem.
What is the PII MCP Server used for?
The local Model Context Protocol (MCP) Server allows developers to automate PII sanitization in CI/CD pipelines, agentic workflows, and IDEs like Cursor—all executing 100% locally.
Why DevSecOps Teams Flag Unmasked AI Prompts
Under OWASP guidelines on secrets management, SOC 2 Type II trust service criteria, and GDPR Article 25 (data protection by design), corporate and customer record safety is heavily audited. Bridging the gap between speed and security requires following soc 2 type ii llm data masking sdk to manage unstructured text. Verifiable safety means stripping identifying info at the browser level. Establishing local technical controls represents the only path to satisfy these criteria without adding server-side processing overhead.
How to Use AI on Real Dev Data — Without Sending a Single Real Name
Through Zero-Trust Data Sanitization, PrivacyScrubber secures prompt entry points locally via our Secure Workspace and the PrivacyScrubber Chrome Extension. The system tokenizes customer and business identifiers (such as [ID_1]) before exfiltration, aligning with standard procedures for secure license distribution. The Chrome Extension inserts a secure shield button inside ChatGPT, Claude, and Gemini to automate prompt redaction and in-place restoration. Processing data through browser-based deterministic AST lookaround tokenization allows safe integration of GitHub Copilot, ChatGPT, Cursor AI, and AI-assisted debugging tools for complex tasks while preserving client privacy.
Is PrivacyScrubber safe for stripe credit card pan scrubber nodejs, pci dss 4 credit card redaction, mask credit card numbers chatgpt, luhn algorithm card scrubber nodejs, sanitize payment card pan?
Yes, absolutely. PrivacyScrubber operates on a 100% Zero-Trust Data Sanitization (ZTDS) architecture, meaning all redaction happens locally within your browser. When working with stripe credit card pan scrubber nodejs, pci dss 4 credit card redaction, mask credit card numbers chatgpt, luhn algorithm card scrubber nodejs, sanitize payment card pan, no sensitive data ever leaves your device or touches a cloud server.
How does it handle custom data structures for dev?
Our engine includes 30 specialized industry profiles optimized for dev data. Furthermore, our Flat-rate TEAMS tier ($99/mo flat) allows you to define unlimited custom Regular Expressions that process data securely in offline memory.
Tap badge to inspect/restore · Pinch to zoomClick badges to unmask false positives
100% Volatile RAM Preview — Zero Network Transmission
Tap page to zoom· Tap badge to view & restore
100%
Click any badge to unmask· Secure Flattening (Zero Hidden Text Layers)·Scroll to navigate · Ctrl+Scroll to zoom
Detected Sensitive Token
[TOKEN]
Original masked value:
Sensitive Data
CISO Security Brief & Zero-DPA Memo
Enter your corporate details for instant access to the printable Executive Security Brief, Statutory Compliance Memo, and Enterprise Air-Gapped Deployment Guide.
Security & DPO Approval Memorandum
0-Day Clearance
Pre-cleared statutory brief to bypass vendor questionnaires and expedite TEAMS ($99/mo) or Developer SDK ($299/mo) approval.
Select Procurement Track:
0-Byte Egress · No DPA · Patent IL 331905 (B17B) · 2-Page Audit Brief
Manual Activation
Unlock your features
Invalid or expired license key
License Activated
Your features are unlocked.
Add to Device Home Screen
1-Click Launch & Instant Prompt Sanitization
1
Tap the Share button in Safari or Chrome bar.
2
Scroll down and select Add to Home Screen.
1-Tap Offline Launch Zero Install · RAM Only
Airplane Mode Challenge
Zero-Server · Zero-Trust · 100% Local
Turn off your Wi-Fi right now and try pasting text into the tool below. It processes 100% in your local RAM without sending any network requests.
Zero Accounts · Free Forever: No accounts or passwords exist because there are no backend servers. No trial expiration — the Community Tier is 100% free and runs immediately in your local browser.
