diff --git a/lib/ronin/cli/commands/compress.rb b/lib/ronin/cli/commands/compress.rb
new file mode 100644
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+++ b/lib/ronin/cli/commands/compress.rb
@@ -0,0 +1,119 @@
+# frozen_string_literal: true
+#
+# Copyright (c) 2006-2023 Hal Brodigan (postmodern.mod3 at gmail.com)
+#
+# Ronin is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Ronin is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Ronin.  If not, see <https://www.gnu.org/licenses/>.
+#
+
+require 'ronin/cli/string_methods_command'
+require 'ronin/support/compression'
+require 'ronin/support/archive'
+
+module Ronin
+  class CLI
+    module Commands
+      #
+      # Compress the files.
+      #
+      # ## Usage
+      #
+      #     ronin compress [option] [FILE ...]
+      #
+      # ## Options
+      #
+      #     -f, --file FILE                  Optional file to process
+      #         --string STRING              Optional string to process
+      #     --format gzip|zlib               Compression format
+      #
+      # ## Arguments
+      #
+      #     [FILE ...]                       Optional file(s) to compress
+      #
+      class Compress < StringMethodsCommand
+        usage '[options] [FILE ...]'
+
+        option :format, value: {
+                          type: [:gzip, :zlib_deflate]
+                        },
+                        desc: 'Compression format'
+
+        description 'Compress the data'
+
+        man_page 'ronin-compress.1'
+
+        #
+        # Size of file read at one time.
+        #
+        CHUNK_SIZE = 4096
+
+        #
+        # Reads and processes file.
+        #
+        # @param [String] path
+        #   The path to the file.
+        #
+        def process_file(file)
+          case format
+          when :gzip
+            Ronin::Support::Compression.gzip("#{file}.gz") do |gzip|
+              File.open(file, 'rb') do |f|
+                gzip.write(f.readpartial(CHUNK_SIZE)) until f.eof?
+              end
+            end
+          when :zlib_deflate
+            content            = File.read(file)
+            compressed_content = Ronin::Support::Compression.zlib_deflate(content)
+            File.binwrite("#{file}.zlib", compressed_content)
+          end
+        end
+
+        #
+        # Compress the string.
+        #
+        # @param [String] string
+        #   The input string.
+        #
+        # @return [String]
+        #   The compressed string.
+        #
+        def process_string(string)
+          case format
+          when :gzip
+            buffer = StringIO.new(encoding: Encoding::ASCII_8BIT)
+
+            Ronin::Support::Compression::Gzip::Writer.wrap(buffer) do |gz|
+              gz.write(string)
+            end
+
+            buffer.string
+          when :zlib_deflate
+            Ronin::Support::Compression.zlib_deflate(string)
+          end
+        end
+
+        #
+        # Returns format option
+        #
+        # @api private
+        #
+        def format
+          options.fetch(:format) do
+            print_error "must specify the --format option"
+            exit(1)
+          end
+        end
+      end
+    end
+  end
+end