CSS Length Converter

Convert PFX certificate files to CRT format online. Extract public certificates from password-protected PFX files.

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About This Tool

This tool allows you to convert PFX (PKCS#12) certificate files to CRT format. PFX files typically contain both the public certificate and private key, while CRT files contain only the public certificate. Simply upload your PFX file, enter the password if it's protected, and download the extracted CRT certificate. The conversion happens securely on our servers using PHP's OpenSSL extension.

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How to Use

Click the upload area or browse to select your PFX file
Enter the password if your PFX file is password-protected
Click the 'Convert PFX to CRT' button
Download your converted CRT file and view certificate details
Optionally convert to PEM format as well

Frequently Asked Questions

Find Quick Answers

What is a PFX file?

PFX (Personal Information Exchange) is a PKCS#12 format file that contains both the public certificate and private key, often used for SSL/TLS certificates with password protection.

What is a CRT file?

CRT (Certificate) is a file format that contains only the public certificate, commonly used for SSL/TLS certificates on web servers. It's essentially the same as PEM format but with .crt extension.

Is my data secure?

Yes, all file processing happens securely on our servers and files are automatically deleted after conversion. We never store your certificates or passwords.

What if my PFX file doesn't have a password?

You can leave the password field empty if your PFX file is not password-protected. The converter will handle both protected and unprotected files.

Can I convert to other formats?

This tool specifically converts PFX to CRT format. You can also get the PEM version since CRT and PEM are essentially the same format with different extensions.

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