diff --git a/internal/ui/autocomplete.go b/internal/ui/autocomplete.go
new file mode 100644
index 0000000..8185cee
--- /dev/null
+++ b/internal/ui/autocomplete.go
@@ -0,0 +1,122 @@
+package ui
+
+import (
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+// getPathCompletions returns file/directory path completions for autocomplete
+func getPathCompletions(input string) []string {
+	if input == "" {
+		input = "."
+	}
+
+	// Expand home directory
+	if strings.HasPrefix(input, "~") {
+		home, err := os.UserHomeDir()
+		if err == nil {
+			input = filepath.Join(home, input[1:])
+		}
+	}
+
+	// Get the directory and file pattern
+	dir := filepath.Dir(input)
+	pattern := filepath.Base(input)
+
+	// If input ends with /, we want to list that directory
+	if strings.HasSuffix(input, string(filepath.Separator)) {
+		dir = input
+		pattern = ""
+	}
+
+	// Read directory
+	entries, err := os.ReadDir(dir)
+	if err != nil {
+		// If can't read, try current directory
+		entries, err = os.ReadDir(".")
+		if err != nil {
+			return []string{}
+		}
+		dir = "."
+	}
+
+	completions := []string{}
+	for _, entry := range entries {
+		name := entry.Name()
+		
+		// Skip hidden files unless explicitly requested
+		if strings.HasPrefix(name, ".") && !strings.HasPrefix(pattern, ".") {
+			continue
+		}
+
+		// Filter by pattern
+		if pattern != "" && !strings.HasPrefix(strings.ToLower(name), strings.ToLower(pattern)) {
+			continue
+		}
+
+		fullPath := filepath.Join(dir, name)
+		if entry.IsDir() {
+			fullPath += string(filepath.Separator)
+		}
+
+		completions = append(completions, fullPath)
+	}
+
+	// Limit to 15 suggestions
+	if len(completions) > 15 {
+		completions = completions[:15]
+	}
+
+	return completions
+}
+
+// getArchiveCompletions returns only archive file completions
+func getArchiveCompletions(input string) []string {
+	archiveExts := map[string]bool{
+		".zip":    true,
+		".tar":    true,
+		".gz":     true,
+		".tar.gz": true,
+		".tgz":    true,
+	}
+
+	allCompletions := getPathCompletions(input)
+	archiveCompletions := []string{}
+
+	for _, path := range allCompletions {
+		// Keep directories
+		if strings.HasSuffix(path, string(filepath.Separator)) {
+			archiveCompletions = append(archiveCompletions, path)
+			continue
+		}
+
+		// Check if file has archive extension
+		ext := filepath.Ext(path)
+		if archiveExts[ext] {
+			archiveCompletions = append(archiveCompletions, path)
+			continue
+		}
+
+		// Check for .tar.gz
+		if strings.HasSuffix(path, ".tar.gz") {
+			archiveCompletions = append(archiveCompletions, path)
+		}
+	}
+
+	return archiveCompletions
+}
+
+// getDirCompletions returns only directory completions
+func getDirCompletions(input string) []string {
+	allCompletions := getPathCompletions(input)
+	dirCompletions := []string{}
+
+	for _, path := range allCompletions {
+		if strings.HasSuffix(path, string(filepath.Separator)) {
+			dirCompletions = append(dirCompletions, path)
+		}
+	}
+
+	return dirCompletions
+}