CLS
Developer Files

.CLS File

CLS is a developer source code file format used to write computer programs.

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About the .cls file

CLS is a developer source code file format used to write computer programs. Files in this category are typically used for developer files and may be opened, edited or converted using the tools on this site.

Common uses

  • Belongs to Developer 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 .cls files

CLS TXT

.cls → .txt
CLS MD

.cls → .md
CLS HTML

.cls → .html
CLS PDF

.cls → .pdf

CLS file FAQ

A .cls file belongs to the Developer Files category. CLS is a developer source code file format used to write computer programs.

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

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

Use the converter options above to change .cls into txt, md, html and more.