Issue a certificate 검색 돋보기 아이콘
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Authenticity Verification

Certificate Authenticity Verification

The authenticity of the certificate can be verified in three ways: by certificate number, barcode, and QR code.
You can verify the original using each method and compare it with the submitted certificate to check for any discrepancies.

Certificate Original Verification

The input method differs depending on whether a hyphen is included.

Select Original Verification Number Format

e.g.) B1234567890 or 1234567890123456

e.g.) A1B2-C3D4-E5F6-G7H8

※ If the certificate number includes letters, please enter them as well.

원본대조번호 원본대조번호
출력검증
A viewer for printing and lookup is required.

To proceed with original verification, please download and install the Print Certificate Viewer.

PDF Verification

Electronic certificate PDF files can be viewed and verified for authenticity using the dedicated viewer.

pdf검증
A viewer is required to view the PDF certificate and verify the original.

To proceed with original verification, please download and install the Electronic Certificate Viewer.

Barcode Verification

Certificates with a 2D barcode printed at the bottom can be compared against the original using the barcode verification program.

Please install the program that matches the barcode type, then scan the certificate's barcode to verify the original.

바코드검증
A viewer is required to view the barcode and verify the original.

To proceed with barcode verification, please download and install the viewer.

Mobile Verification

Scan the certificate's QR code with your smartphone to compare it with the issued original and check for forgery or alteration. Only certificates issued within the last 180 days can be verified via mobile.

※ Patented technology registered by I&Tech Co., Ltd. (Patent Registration No.: 10-1039390)

  • Install App

    Scan the QR code with your phone to install the app QR원본대조 앱 설치
  • Launch App

    Launch the installed app QR원본대조 앱 실행
  • Scan Certificate QR Code

    Scan the QR code at the bottom of the certificate 증명서 QR코드 스캔
  • Automatic Loading of Original Certificate

    Verify the authenticity of the certificate 원본 검증 결과
QR원본대조 앱
Please install the QR Original Verification app.

To use mobile verification, install the QR Original Verification app, then scan the certificate's QR code to proceed with original verification.

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