diff --git a/internal/app/app.go b/internal/app/app.go
index 996ac0c..a448a57 100644
--- a/internal/app/app.go
+++ b/internal/app/app.go
@@ -27,10 +27,11 @@ type command struct {
 }
 
 type context struct {
-	stdout io.Writer
-	stderr io.Writer
-	cwd    string
-	args   []string
+	stdout   io.Writer
+	stderr   io.Writer
+	cwd      string
+	args     []string
+	logLevel logLevel
 }
 
 type spinner struct {
@@ -230,9 +231,12 @@ func Run(args []string) (int, error) {
 		printUsage(ctx.stdout)
 		return 0, nil
 	default:
+		cmdArgs, level := parseGlobalFlags(args[1:])
+		ctx.logLevel = level
+		ctx.args = append([]string{args[0]}, cmdArgs...)
 		for _, cmd := range commands {
 			if cmd.name == args[0] {
-				spin.configure(ctx.stderr, isInteractiveTTY(ctx.stderr) && strings.TrimSpace(os.Getenv("CI")) == "")
+				spin.configure(ctx.stderr, isInteractiveTTY(ctx.stderr) && strings.TrimSpace(os.Getenv("CI")) == "" && ctx.logLevel == logLevelNormal)
 				spin.start("running " + cmd.name)
 				if err := cmd.run(ctx); err != nil {
 					spin.stop()
@@ -247,6 +251,24 @@ func Run(args []string) (int, error) {
 	return 1, fmt.Errorf("unknown command %q", args[0])
 }
 
+func parseGlobalFlags(args []string) ([]string, logLevel) {
+	level := logLevelNormal
+	var filtered []string
+	for _, arg := range args {
+		switch arg {
+		case "--quiet":
+			level = logLevelQuiet
+		case "--verbose":
+			level = logLevelVerbose
+		case "--debug":
+			level = logLevelDebug
+		default:
+			filtered = append(filtered, arg)
+		}
+	}
+	return filtered, level
+}
+
 func newContext() (context, error) {
 	cwd, err := os.Getwd()
 	if err != nil {
@@ -294,6 +316,9 @@ func runBuildModule(ctx context) error {
 	}
 
 	result, err := pipeline.BuildModuleWithProgress(p, func(message string) {
+		if ctx.logLevel == logLevelQuiet {
+			return
+		}
 		spin.linebreak()
 		fmt.Fprintf(ctx.stdout, "[build-module] %s\n", message)
 	})
@@ -530,6 +555,9 @@ func runBuildHAKs(ctx context) error {
 	if err != nil {
 		return err
 	}
+	if ctx.logLevel > opts.logLevel {
+		opts.logLevel = ctx.logLevel
+	}
 	p, err = p.CloneWithHAKNames(opts.filteredHAKs)
 	if err != nil {
 		return err
@@ -953,6 +981,9 @@ func runBuildTopData(ctx context) error {
 	}
 
 	result, err := topdata.BuildAndPackageWithOptions(p, opts, func(message string) {
+		if ctx.logLevel == logLevelQuiet {
+			return
+		}
 		fmt.Fprintf(ctx.stdout, "[build-topdata] %s\n", message)
 	})
 	if err != nil {
@@ -993,6 +1024,9 @@ func runBuildTopPackage(ctx context) error {
 	}
 
 	result, err := topdata.BuildPackage(p, func(message string) {
+		if ctx.logLevel == logLevelQuiet {
+			return
+		}
 		fmt.Fprintf(ctx.stdout, "[build-top-package] %s\n", message)
 	})
 	if err != nil {
@@ -1041,6 +1075,9 @@ func runCompareTopData(ctx context) error {
 	}
 
 	result, err := topdata.Compare(p, func(message string) {
+		if ctx.logLevel == logLevelQuiet {
+			return
+		}
 		fmt.Fprintf(ctx.stdout, "[compare-topdata] %s\n", message)
 	})
 	if err != nil {
@@ -1077,6 +1114,9 @@ func runBuildWiki(ctx context) error {
 	}
 
 	result, err := topdata.BuildWikiWithOptions(p, opts, func(message string) {
+		if ctx.logLevel == logLevelQuiet {
+			return
+		}
 		fmt.Fprintf(ctx.stdout, "[build-wiki] %s\n", message)
 	})
 	if err != nil {
@@ -1117,6 +1157,9 @@ func runDeployWiki(ctx context) error {
 	}
 
 	result, err := topdata.DeployWikiWithOptions(p, opts, func(message string) {
+		if ctx.logLevel == logLevelQuiet {
+			return
+		}
 		fmt.Fprintf(ctx.stdout, "[deploy-wiki] %s\n", message)
 	})
 	if err != nil {
@@ -1384,7 +1427,7 @@ func loadProject(ctx context) (*project.Project, error) {
 	if err != nil {
 		return nil, err
 	}
-	if ctx.stderr != nil {
+	if ctx.stderr != nil && ctx.logLevel != logLevelQuiet {
 		fmt.Fprintf(ctx.stderr, "Loaded config: %s\n", p.ConfigSource.Name)
 		if p.ConfigSource.Legacy {
 			fmt.Fprintf(ctx.stderr, "Warning: %s is legacy repository configuration; migrate to %s.\n", project.LegacyConfigFile, project.ConfigFile)
diff --git a/nwn-tool b/nwn-tool
index 6a71ef6..0da5e11 100755
Binary files a/nwn-tool and b/nwn-tool differ