Convert.Guru

EFR Converter

Convert EFR files online for free


Drop or upload your .EFR file

How to convert your EFR file

  1. Click Select File above, and choose your EFR file.
  2. You'll see a preview.
  3. Click the "Convert file to..." button to save your file in the format you want.


Convert EFR to another file type

The converter easily converts your EFR file to various formats—free and online. No WinRAR or extra software needed.

  • EFR to BASE64
  • EFR to HEX
  • EFR to BIN
  • EFR to ENC
  • EFR to CRYPT
  • EFR to AES
  • EFR to DES
  • EFR to RSA
  • EFR to PGP
  • EFR to GPG
  • EFR to ASC
  • EFR to KEY

Convert a file to EFR

The converter also works in reverse, allowing you to convert your file into the EFR file type—in the best quality.

  • CER to EFR
  • BIN to EFR
  • PEM to EFR
  • DER to EFR
  • KEY to EFR
  • P7S to EFR
  • PFX to EFR
  • ENC to EFR
  • P12 to EFR
  • BASE64 to EFR
  • P7B to EFR
  • HEX to EFR

About EFR files

EFR files are a specialized format often used in specific software environments, making them less accessible for general use. These files might require conversion to more widely recognized formats like PDF, DOCX, or TXT for easier accessibility and sharing.

One option for converting EFR files is using dedicated software. For instance, Adobe Acrobat can handle some conversions, especially if you need your document in PDF. For text-based conversions, programs like Microsoft Word might be useful, particularly if converting to DOCX or TXT formats. You can learn more about file formats on Wikipedia.

Converting EFR files can be challenging due to compatibility issues and potential loss of formatting, especially when dealing with complex documents. Additionally, some software requires a paid license, adding to the cost of conversion.

Given these challenges, using the free and reliable Convert.Guru can simplify the process. Just drag-n-drop your EFR files onto the site to convert them into various formats without hassle. While EFR files have their place, converting them to more universally accepted formats enhances usability and accessibility, making Convert.Guru an invaluable tool for users seeking simplicity and efficiency.


The EFR Converter Story

The history of Convert.Guru began more than 25 years ago in California, when Tom Simondi published the most comprehensive database of file formats on his website. Before that, Tom had worked on Space Shuttle development at the Air Force Systems Command’s Space Division in Los Angeles. He is known as one of the top programmers of the late 1980s.

When Microsoft integrated Tom’s Filext database into Windows XP, it became the leading platform for analyzing and processing file types and formats.

Today, we use the latest technologies to analyze, process, and convert one of the world's largest collections of file formats. We are committed to developing the best EFR converter by continuously improving quality, usability, and reliability.

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