diff --git a/src/main.cpp b/src/main.cpp
index b9fc35d..4a49953 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -17,6 +17,7 @@
 #include "files.hpp"
 #include "fs-compat.hpp"
 #include "options.hpp"
+#include "output.hpp"
 #include "search.hpp"
 #include "zip.hpp"
 
@@ -206,62 +207,9 @@ int main(int argc, char *argv[])
     }
     futures_cleanup(true);
 
-    for (const auto &matches_file : matches_all)
+    for (const auto &matches : matches_all)
     {
-        fs::path last_epub;
-        for (const auto &match : matches_file)
-        {
-            if (input_files.size() > 1 && !opts.no_fn_fs)
-            {
-                if (match.epub_filepath != last_epub)
-                {
-                    if (!opts.nocolor)
-                    {
-                        cout << termcolor::yellow;
-                    }
-                    cout << format(translate("  In {0:s}: \n").str(),
-                                   fs::relative(match.epub_filepath));
-                    last_epub = match.epub_filepath;
-                    if (!opts.nocolor)
-                    {
-                        cout << termcolor::reset;
-                    }
-                }
-            }
-
-            vector<string> prefix;
-            if (!opts.no_fn_epub)
-            {
-                prefix.emplace_back(match.filepath);
-            }
-            if (!match.headline.empty())
-            {
-                prefix.emplace_back(match.headline);
-            }
-            if (!match.page.empty())
-            {
-                prefix.emplace_back("page " + match.page);
-            }
-            for (const auto &part : prefix)
-            {
-                cout << part;
-                if (part != *(prefix.rbegin()))
-                {
-                    cout << ", ";
-                }
-            }
-            cout << ": " << match.context.first;
-            if (!opts.nocolor)
-            {
-                cout << termcolor::bright_magenta;
-            }
-            cout << match.text;
-            if (!opts.nocolor)
-            {
-                cout << termcolor::reset;
-            }
-            cout << match.context.second << '\n';
-        }
+        output::print_matches(matches, opts, input_files.size() == 1);
     }
 
     return return_code;
diff --git a/src/output.cpp b/src/output.cpp
new file mode 100644
index 0000000..e1a5eee
--- /dev/null
+++ b/src/output.cpp
@@ -0,0 +1,92 @@
+/*  This file is part of epubgrep.
+ *  Copyright © 2021 tastytea <tastytea@tastytea.de>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published by
+ *  the Free Software Foundation, version 3.
+ *
+ *  This program 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 Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "output.hpp"
+
+#include <boost/locale/message.hpp>
+#include <fmt/format.h>
+#include <fmt/ostream.h> // For compatibility with fmt 4.
+#include <termcolor/termcolor.hpp>
+
+#include <iostream>
+
+namespace epubgrep::output
+{
+
+using boost::locale::translate;
+using fmt::format;
+using std::cout;
+
+void print_matches(const std::vector<search::match> &matches,
+                   const options::options &opts, bool single_file)
+{
+    fs::path last_epub;
+    for (const auto &match : matches)
+    {
+        if (!single_file && !opts.no_fn_fs)
+        {
+            if (match.epub_filepath != last_epub)
+            {
+                if (!opts.nocolor)
+                {
+                    cout << termcolor::yellow;
+                }
+                cout << format(translate("  In {0:s}: \n").str(),
+                               fs::relative(match.epub_filepath));
+                last_epub = match.epub_filepath;
+                if (!opts.nocolor)
+                {
+                    cout << termcolor::reset;
+                }
+            }
+        }
+
+        std::vector<std::string> prefix;
+        if (!opts.no_fn_epub)
+        {
+            prefix.emplace_back(match.filepath);
+        }
+        if (!match.headline.empty())
+        {
+            prefix.emplace_back(match.headline);
+        }
+        if (!match.page.empty())
+        {
+            prefix.emplace_back("page " + match.page);
+        }
+        for (const auto &part : prefix)
+        {
+            cout << part;
+            if (part != *(prefix.rbegin()))
+            {
+                cout << ", ";
+            }
+        }
+        cout << ": " << match.context.first;
+        if (!opts.nocolor)
+        {
+            cout << termcolor::bright_magenta;
+        }
+        cout << match.text;
+        if (!opts.nocolor)
+        {
+            cout << termcolor::reset;
+        }
+        cout << match.context.second << '\n';
+    }
+}
+
+} // namespace epubgrep::output
diff --git a/src/output.hpp b/src/output.hpp
new file mode 100644
index 0000000..85a488b
--- /dev/null
+++ b/src/output.hpp
@@ -0,0 +1,33 @@
+/*  This file is part of epubgrep.
+ *  Copyright © 2021 tastytea <tastytea@tastytea.de>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published by
+ *  the Free Software Foundation, version 3.
+ *
+ *  This program 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 Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef EPUBGREP_OUTPUT_HPP
+#define EPUBGREP_OUTPUT_HPP
+
+#include "options.hpp"
+#include "search.hpp"
+
+#include <vector>
+
+namespace epubgrep::output
+{
+
+void print_matches(const std::vector<search::match> &matches,
+                   const options::options &opts, bool single_file);
+
+} // namespace epubgrep::output
+
+#endif // EPUBGREP_OUTPUT_HPP