CRL Converter

Extract text from CRL files


Drop or upload your .CRL file
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How to extract text from your CRL file

  1. Click the "Select File" button above, and choose your CRL file.
  2. You’ll see a preview, if available.
  3. Click the "Convert file to..." button to extract text information.

Convert CRL to another file type

To convert your CRL file to another format, you need OpenSSL or other System software.

  • CRL to PEM
  • CRL to PDF
  • CRL to CER
  • CRL to TXT
  • CRL to TEXT
  • CRL to HTML
  • CRL to HTM
  • CRL to CSS
  • CRL to JS
  • CRL to PHP
  • CRL to ASP
  • CRL to ASPX

Convert a file to CRL

To convert other file formats to the "Public Key Infrastructure" file type, you need software like OpenSSL or a similar tool.

  • RSS to CRL
  • CSS to CRL
  • CGI to CRL
  • SITEMAP to CRL
  • PL to CRL
  • WEBMANIFEST to CRL
  • JSON to CRL
  • JS to CRL
  • XML to CRL
  • HTML to CRL
  • ICO to CRL
  • HTM to CRL

About CRL files

A .CRL file is a Certificate Revocation List, a crucial component of X.509 Public Key Infrastructure (PKI) used to verify digital identity security. These files contain a list of serial numbers for digital certificates that have been revoked by a Certificate Authority (CA) before their scheduled expiration date - often due to key compromise or cessation of operation.

While essential for security, working with raw .CRL files presents significant friction for administrators and developers. They are often distributed in binary DER format, meaning they cannot be opened or audited in standard text editors like Notepad or TextEdit. To verify if a specific certificate has been revoked, users must use command-line tools like OpenSSL or proprietary OS viewers to parse the data. Furthermore, different servers require different encodings (e.g., Apache HTTP Server often prefers PEM base64 encoding, while Java Keystores might expect binary). For auditing and inspection, convert your .CRL to a human-readable TXT file to view the list of revoked serial numbers. For server compatibility, convert binary DER encoded CRLs to PEM format (or vice versa) to ensure seamless integration with your security infrastructure.

Convert.Guru analyzes your CRL file, detects the exact format, and lets you read the text inside.

Users also converted CDR, CRT, CLR, PEM, CER, ODT, CMS, SVG, HTML, IPS, AAE, EXE and PDF files.



The CRL Converter Story

The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our CRL converter.