diff --git a/Userland/Shell/AST.cpp b/Userland/Shell/AST.cpp
index 3d8e5afaf5..88fb1fb074 100644
--- a/Userland/Shell/AST.cpp
+++ b/Userland/Shell/AST.cpp
@@ -842,7 +842,7 @@ CastToList::~CastToList()
 void CloseFdRedirection::dump(int level) const
 {
     Node::dump(level);
-    print_indented(String::format("%d -> Close", m_fd), level);
+    print_indented(String::formatted("{} -> Close", m_fd), level);
 }
 
 RefPtr<Value> CloseFdRedirection::run(RefPtr<Shell>)
@@ -1036,7 +1036,7 @@ DynamicEvaluate::~DynamicEvaluate()
 void Fd2FdRedirection::dump(int level) const
 {
     Node::dump(level);
-    print_indented(String::format("%d -> %d", m_old_fd, m_new_fd), level);
+    print_indented(String::formatted("{} -> {}", m_old_fd, m_new_fd), level);
 }
 
 RefPtr<Value> Fd2FdRedirection::run(RefPtr<Shell>)
@@ -1066,10 +1066,10 @@ Fd2FdRedirection::~Fd2FdRedirection()
 void FunctionDeclaration::dump(int level) const
 {
     Node::dump(level);
-    print_indented(String::format("(name: %s)\n", m_name.name.characters()), level + 1);
-    print_indented("(argument namess)", level + 1);
+    print_indented(String::formatted("(name: {})\n", m_name.name), level + 1);
+    print_indented("(argument names)", level + 1);
     for (auto& arg : m_arguments)
-        print_indented(String::format("(name: %s)\n", arg.name.characters()), level + 2);
+        print_indented(String::formatted("(name: {})\n", arg.name), level + 2);
 
     print_indented("(body)", level + 1);
     if (m_block)
@@ -2319,7 +2319,7 @@ void PathRedirectionNode::highlight_in_editor(Line::Editor& editor, Shell& shell
         auto& position = m_path->position();
         auto& path = path_text[0];
         if (!path.starts_with('/'))
-            path = String::format("%s/%s", shell.cwd.characters(), path.characters());
+            path = String::formatted("{}/{}", shell.cwd, path);
         auto url = URL::create_with_file_protocol(path);
         url.set_host(shell.hostname);
         editor.stylize({ position.start_offset, position.end_offset }, { Line::Style::Hyperlink(url.to_string()) });
@@ -2478,7 +2478,7 @@ void ReadRedirection::dump(int level) const
 {
     Node::dump(level);
     m_path->dump(level + 1);
-    print_indented(String::format("To %d", m_fd), level + 1);
+    print_indented(String::formatted("To {}", m_fd), level + 1);
 }
 
 RefPtr<Value> ReadRedirection::run(RefPtr<Shell> shell)
@@ -2505,7 +2505,7 @@ void ReadWriteRedirection::dump(int level) const
 {
     Node::dump(level);
     m_path->dump(level + 1);
-    print_indented(String::format("To/From %d", m_fd), level + 1);
+    print_indented(String::formatted("To/From {}", m_fd), level + 1);
 }
 
 RefPtr<Value> ReadWriteRedirection::run(RefPtr<Shell> shell)
@@ -3135,7 +3135,7 @@ void WriteAppendRedirection::dump(int level) const
 {
     Node::dump(level);
     m_path->dump(level + 1);
-    print_indented(String::format("From %d", m_fd), level + 1);
+    print_indented(String::formatted("From {}", m_fd), level + 1);
 }
 
 RefPtr<Value> WriteAppendRedirection::run(RefPtr<Shell> shell)
@@ -3162,7 +3162,7 @@ void WriteRedirection::dump(int level) const
 {
     Node::dump(level);
     m_path->dump(level + 1);
-    print_indented(String::format("From %d", m_fd), level + 1);
+    print_indented(String::formatted("From {}", m_fd), level + 1);
 }
 
 RefPtr<Value> WriteRedirection::run(RefPtr<Shell> shell)
diff --git a/Userland/Shell/Parser.cpp b/Userland/Shell/Parser.cpp
index 8cee85c696..0373eef48a 100644
--- a/Userland/Shell/Parser.cpp
+++ b/Userland/Shell/Parser.cpp
@@ -1782,7 +1782,7 @@ RefPtr<AST::Node> Parser::parse_glob()
             } else {
                 // FIXME: Allow composition of tilde+bareword with globs: '~/foo/bar/baz*'
                 restore_to(saved_offset.offset, saved_offset.line);
-                bareword_part->set_is_syntax_error(*create<AST::SyntaxError>(String::format("Unexpected %s inside a glob", bareword_part->class_name().characters())));
+                bareword_part->set_is_syntax_error(*create<AST::SyntaxError>(String::formatted("Unexpected {} inside a glob", bareword_part->class_name())));
                 return bareword_part;
             }
             textbuilder.append(text);
diff --git a/Userland/Shell/Shell.cpp b/Userland/Shell/Shell.cpp
index aa1ee43812..9091f05ae0 100644
--- a/Userland/Shell/Shell.cpp
+++ b/Userland/Shell/Shell.cpp
@@ -171,9 +171,9 @@ String Shell::expand_tilde(const String& expression)
         if (!home) {
             auto passwd = getpwuid(getuid());
             VERIFY(passwd && passwd->pw_dir);
-            return String::format("%s/%s", passwd->pw_dir, path.to_string().characters());
+            return String::formatted("{}/{}", passwd->pw_dir, path.to_string());
         }
-        return String::format("%s/%s", home, path.to_string().characters());
+        return String::formatted("{}/{}", home, path.to_string());
     }
 
     auto passwd = getpwnam(login_name.to_string().characters());
@@ -181,7 +181,7 @@ String Shell::expand_tilde(const String& expression)
         return expression;
     VERIFY(passwd->pw_dir);
 
-    return String::format("%s/%s", passwd->pw_dir, path.to_string().characters());
+    return String::formatted("{}/{}", passwd->pw_dir, path.to_string());
 }
 
 bool Shell::is_glob(const StringView& s)
@@ -347,7 +347,7 @@ Vector<AST::Command> Shell::expand_aliases(Vector<AST::Command> initial_commands
 String Shell::resolve_path(String path) const
 {
     if (!path.starts_with('/'))
-        path = String::format("%s/%s", cwd.characters(), path.characters());
+        path = String::formatted("{}/{}", cwd, path);
 
     return Core::File::real_path_for(path);
 }
@@ -1249,7 +1249,7 @@ void Shell::cache_path()
             Core::DirIterator programs(directory.characters(), Core::DirIterator::SkipDots);
             while (programs.has_next()) {
                 auto program = programs.next_path();
-                String program_path = String::format("%s/%s", directory.characters(), program.characters());
+                auto program_path = String::formatted("{}/{}", directory, program);
                 auto escaped_name = escape_token(program);
                 if (cached_path.contains_slow(escaped_name))
                     continue;
@@ -1357,7 +1357,7 @@ Vector<Line::CompletionSuggestion> Shell::complete_path(const String& base,
         auto file = files.next_path();
         if (file.starts_with(token)) {
             struct stat program_status;
-            String file_path = String::format("%s/%s", path.characters(), file.characters());
+            auto file_path = String::formatted("{}/{}", path, file);
             int stat_error = stat(file_path.characters(), &program_status);
             if (!stat_error && (executable_only == ExecutableOnly::No || access(file_path.characters(), X_OK) == 0)) {
                 if (S_ISDIR(program_status.st_mode)) {