CER
Encoded Files

.CER File

CER is an encoded file format used to represent data in an alternate, often secure, encoding.

About the .cer file

CER is an encoded file format used to represent data in an alternate, often secure, encoding. Files in this category are typically used for encoded files and may be opened, edited or converted using the tools on this site.

Common uses

  • Belongs to Encoded Files
  • Viewable in-browser
  • Editable in-browser
  • Convertible to other formats

Viewer

Available for this format

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Editor

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Converter

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Convert .cer files

CER file FAQ

A .cer file belongs to the Encoded Files category. CER is an encoded file format used to represent data in an alternate, often secure, encoding.

You can open .cer files directly in your browser using our online viewer above — no software install needed.

Yes. Use our online editor above to edit .cer files with syntax highlighting, undo and export.

Use the converter options above to change .cer into txt, pdf, html and more.