UEFI Checker

Check UEFI firmware signatures and secure boot status with our free online verification tool

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About This Tool

The UEFI Checker is a comprehensive online tool that allows users to verify the integrity and security of their system's UEFI firmware. Users can either upload UEFI binary files (like .bin, .rom, .efi) or manually enter system information to check UEFI signatures, validate secure boot status, and detect potential firmware vulnerabilities. The tool performs cryptographic signature verification against known UEFI certificate authorities and checks for common security issues in UEFI implementations. Results are displayed in an easy-to-understand format with security recommendations.

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How to Use

Choose input method: Upload a UEFI binary file OR enter system details manually
For file upload: Click the upload area and select your UEFI file (.bin, .rom, .efi formats supported)
For manual input: Fill in your system manufacturer, model, and firmware version
Click 'Check UEFI' button to start the verification process
View detailed results including signature status, secure boot compatibility, and security recommendations
Use 'Reset' button to clear all inputs and start over

Frequently Asked Questions

Find Quick Answers

What is UEFI and why should I check it?

UEFI (Unified Extensible Firmware Interface) is the modern replacement for BIOS that initializes your computer hardware. Checking UEFI ensures your firmware has valid cryptographic signatures and secure boot is properly configured, protecting against firmware-level malware.

What file formats does the UEFI Checker support?

The tool supports common UEFI firmware file formats including .bin (binary), .rom (ROM image), and .efi (EFI executable) files. Maximum file size is 50MB.

Does this tool require installation or special software?

No installation needed - this is a completely web-based tool. For advanced server-side checks, the platform handles the backend processing automatically.

What information does the UEFI Checker provide?

The tool provides: UEFI signature validation status, secure boot compatibility check, firmware version verification, known vulnerability detection, and security recommendations for your specific system.

Is my uploaded firmware file kept private?

Yes, all uploaded files are processed securely and temporarily. Files are not stored permanently and are deleted after processing completes.

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