diff --git a/pages/common/msgfmt.md b/pages/common/msgfmt.md
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+++ b/pages/common/msgfmt.md
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+# msgfmt
+
+> Compile message catalog to binary format.
+> More information: <https://www.gnu.org/software/gettext/manual/html_node/msgfmt-Invocation.html>.
+
+- Convert a `.po` file to a `.mo` file:
+
+`msgfmt {{path/to/file.po}} -o {{path/to/file.mo}}`
diff --git a/pages/common/msgunfmt.md b/pages/common/msgunfmt.md
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+++ b/pages/common/msgunfmt.md
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+# msgunfmt
+
+> Decompile message catalog from the binary format.
+> More information: <https://www.gnu.org/software/gettext/manual/html_node/msgunfmt-Invocation.html>.
+
+- Output conversion:
+
+`msgunfmt {{path/to/file.mo}}`
+
+- Convert a `.mo` file to a `.po` file:
+
+`msgunfmt {{path/to/file.mo}} > {{path/to/file.po}}`