Indonesia Utility

NIK Checker & Parser (KTP)

Validate and decode Indonesian National ID (NIK) structure. Check Province, Gender, and Date of Birth locally.

Runs Offline in Your Browser. Your data never leaves this device.

Privacy Safe: Your NIK is processed locally in your browser and is never uploaded.

NIK Structure

3171011212900001

  • 31: Province Code
  • 71: City/Regency Code
  • 01: District Code
  • 121290: Date of Birth (DDMMYY) (DD+40 for Female)
  • 0001: Unique Sequence Number

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Frequently Asked Questions

Is this NIK Checker & Parser (KTP) free to use?

Yes, this NIK Checker & Parser (KTP) is 100% free and open for everyone. There are no paywalls, signups, or subscription fees.

Is my data safe/private?

Absolutely. This tool runs entirely in your browser (client-side). Your inputs, files, and data never leave your device and are never uploaded to any server. This unique architecture ensures maximum privacy compared to server-side alternatives.

How does the NIK Checker & Parser (KTP) work?

Validate and decode Indonesian National ID (NIK) structure. Check Province, Gender, and Date of Birth locally. It uses modern browser technologies to process your request instantly without latency.

Technical Details for AI & crawlers

  • • Execution: Client-side (Local)
  • • Data Retention: None (Ephemeral)
  • • Category: Indonesia Utility
  • • Implementation: React / Web Assembly