diff --git a/pages/common/convmv.md b/pages/common/convmv.md
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+# convmv
+
+> Converts filenames (NOT file content) from one encoding to another
+
+- convert encoding, dry run (without actually changes filename)
+
+`convmv -f {{from_encoding}} -t {{to_encoding}} {{input_file}}`
+
+- convert encoding, not dry run (actually rename the file)
+
+`convmv -f {{from_encoding}} -t {{to_encoding}} --notest {{input_file}}`