diff --git a/internal/uiaselector/report.go b/internal/uiaselector/report.go
index 99fe377..7b1849f 100644
--- a/internal/uiaselector/report.go
+++ b/internal/uiaselector/report.go
@@ -1,6 +1,13 @@
 package uiaselector
 
-import "time"
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+	"time"
+)
 
 const (
 	StrictExitOK                      = 0
@@ -100,3 +107,90 @@ func StrictExitCode(report Report) int {
 	}
 	return StrictExitOK
 }
+
+func RenderReportJSON(report Report) ([]byte, error) {
+	return json.MarshalIndent(report, "", "  ")
+}
+
+func WriteReportJSON(report Report, path string) error {
+	body, err := RenderReportJSON(report)
+	if err != nil {
+		return err
+	}
+	return writeFileWithParents(path, body)
+}
+
+func RenderReportMarkdown(report Report) string {
+	var b strings.Builder
+	b.WriteString("# N14 UIA Selector Report\n\n")
+	b.WriteString("- Source dump: `" + escapeMarkdownInline(report.SourceDump) + "`\n")
+	b.WriteString(fmt.Sprintf("- Catalog size: %d\n", report.CatalogSize))
+	b.WriteString(fmt.Sprintf("- Matched: %d\n", report.MatchedCount))
+	b.WriteString(fmt.Sprintf("- Unmatched: %d\n", report.UnmatchedCount))
+	b.WriteString(fmt.Sprintf("- Ambiguous: %d\n", report.AmbiguousCount))
+	b.WriteString("\n## Summary\n\n")
+	b.WriteString("| selector_id | status | matches | stability | evidence_path |\n")
+	b.WriteString("| --- | --- | ---: | ---: | --- |\n")
+	for _, selector := range report.Selectors {
+		status := "unmatched"
+		if selector.MatchCount > 1 {
+			status = "ambiguous"
+		} else if selector.Matched {
+			status = "matched"
+		}
+		b.WriteString(fmt.Sprintf(
+			"| %s | %s | %d | %d | %s |\n",
+			escapeMarkdownCell(selector.SelectorID),
+			status,
+			selector.MatchCount,
+			selector.StabilityScore,
+			escapeMarkdownCell(selector.Evidence.UIAPath),
+		))
+	}
+	b.WriteString("\n## Selector Details\n")
+	for _, selector := range report.Selectors {
+		b.WriteString("\n### " + escapeMarkdownInline(selector.SelectorID) + "\n\n")
+		b.WriteString("- Description: " + escapeMarkdownInline(selector.Description) + "\n")
+		b.WriteString("- Allowed use: " + escapeMarkdownInline(selector.AllowedUse) + "\n")
+		b.WriteString(fmt.Sprintf("- Stability score: %d\n", selector.StabilityScore))
+		b.WriteString(fmt.Sprintf("- Match count: %d\n", selector.MatchCount))
+		b.WriteString("\nMatches:\n\n")
+		b.WriteString("| path | control_type | automation_id | class_name | framework_id | has_name | name_length |\n")
+		b.WriteString("| --- | --- | --- | --- | --- | --- | ---: |\n")
+		for _, match := range selector.Matches {
+			b.WriteString(fmt.Sprintf(
+				"| %s | %s | %s | %s | %s | %t | %d |\n",
+				escapeMarkdownCell(match.Path),
+				escapeMarkdownCell(match.ControlType),
+				escapeMarkdownCell(match.AutomationID),
+				escapeMarkdownCell(match.ClassName),
+				escapeMarkdownCell(match.FrameworkID),
+				match.HasName,
+				match.NameLength,
+			))
+		}
+	}
+	return b.String()
+}
+
+func WriteReportMarkdown(report Report, path string) error {
+	return writeFileWithParents(path, []byte(RenderReportMarkdown(report)))
+}
+
+func writeFileWithParents(path string, body []byte) error {
+	dir := filepath.Dir(path)
+	if dir != "." && dir != "" {
+		if err := os.MkdirAll(dir, 0o755); err != nil {
+			return err
+		}
+	}
+	return os.WriteFile(path, body, 0o644)
+}
+
+func escapeMarkdownInline(value string) string {
+	return strings.NewReplacer("`", "'", "\r", " ", "\n", " ").Replace(value)
+}
+
+func escapeMarkdownCell(value string) string {
+	return strings.NewReplacer("|", "\\|", "\r", " ", "\n", " ").Replace(value)
+}
diff --git a/internal/uiaselector/report_test.go b/internal/uiaselector/report_test.go
index c227721..de36437 100644
--- a/internal/uiaselector/report_test.go
+++ b/internal/uiaselector/report_test.go
@@ -1,6 +1,7 @@
 package uiaselector
 
 import (
+	"strings"
 	"testing"
 	"time"
 )
@@ -96,3 +97,47 @@ func TestReportRejectsNonReadOnlyCatalogEntries(t *testing.T) {
 		t.Fatalf("StrictExitCode = %d, want %d", got, StrictExitInvalidCatalog)
 	}
 }
+
+func TestReportDoesNotExposeVisibleText(t *testing.T) {
+	report := RunCatalogReport(
+		"testdata/n12r-2026-07-09-uia-redacted.json",
+		loadN14Fixture(t),
+		DefaultCatalog(),
+		fixedReportTime(),
+	)
+	body, err := RenderReportJSON(report)
+	if err != nil {
+		t.Fatalf("RenderReportJSON: %v", err)
+	}
+	jsonText := string(body)
+	for _, forbidden := range []string{`"name"`, `"value"`, "国网甘肃省电力公司"} {
+		if strings.Contains(jsonText, forbidden) {
+			t.Fatalf("JSON report exposed forbidden text %q in %s", forbidden, jsonText)
+		}
+	}
+	for _, required := range []string{`"has_name"`, `"name_length"`, `"selector_id"`, `"automation_id"`} {
+		if !strings.Contains(jsonText, required) {
+			t.Fatalf("JSON report missing required structural field %q in %s", required, jsonText)
+		}
+	}
+}
+
+func TestMarkdownReportDoesNotExposeVisibleText(t *testing.T) {
+	report := RunCatalogReport(
+		"testdata/n12r-2026-07-09-uia-redacted.json",
+		loadN14Fixture(t),
+		DefaultCatalog(),
+		fixedReportTime(),
+	)
+	markdown := RenderReportMarkdown(report)
+	for _, forbidden := range []string{"国网甘肃省电力公司", "| name |", "| value |"} {
+		if strings.Contains(markdown, forbidden) {
+			t.Fatalf("Markdown report exposed forbidden text %q in %s", forbidden, markdown)
+		}
+	}
+	for _, required := range []string{"# N14 UIA Selector Report", "## Summary", "automation_id", "control_type", "class_name", "has_name", "name_length"} {
+		if !strings.Contains(markdown, required) {
+			t.Fatalf("Markdown report missing %q in %s", required, markdown)
+		}
+	}
+}