diff --git a/pkg/browser/upload.go b/pkg/browser/upload.go
new file mode 100644
index 0000000..4ca234b
--- /dev/null
+++ b/pkg/browser/upload.go
@@ -0,0 +1,153 @@
+package browser
+
+import (
+	"context"
+	"fmt"
+	"os"
+	"path/filepath"
+)
+
+// UploadFile sube un archivo a un input de tipo file
+func (b *Browser) UploadFile(ctx context.Context, selector string, filePath string) error {
+	return b.UploadFiles(ctx, selector, []string{filePath})
+}
+
+// UploadFiles sube múltiples archivos a un input de tipo file
+func (b *Browser) UploadFiles(ctx context.Context, selector string, filePaths []string) error {
+	// Validar que todos los archivos existen
+	var absolutePaths []string
+	for _, path := range filePaths {
+		// Convertir a path absoluto
+		absPath, err := filepath.Abs(path)
+		if err != nil {
+			return fmt.Errorf("invalid file path %s: %w", path, err)
+		}
+
+		// Verificar que existe
+		if _, err := os.Stat(absPath); os.IsNotExist(err) {
+			return fmt.Errorf("file does not exist: %s", absPath)
+		}
+
+		absolutePaths = append(absolutePaths, absPath)
+	}
+
+	// Obtener el nodeId del input
+	nodeID, err := b.querySelector(ctx, selector)
+	if err != nil {
+		return fmt.Errorf("file input not found: %w", err)
+	}
+
+	// Verificar que es un input de tipo file
+	script := fmt.Sprintf(`
+		(() => {
+			const input = document.querySelector('%s');
+			return input && input.tagName === 'INPUT' && input.type === 'file';
+		})()
+	`, selector)
+
+	result, err := b.Evaluate(ctx, script)
+	if err != nil {
+		return err
+	}
+
+	isFileInput, ok := result.Value.(bool)
+	if !ok || !isFileInput {
+		return fmt.Errorf("element is not a file input: %s", selector)
+	}
+
+	// Establecer archivos usando CDP
+	params := map[string]interface{}{
+		"files":  absolutePaths,
+		"nodeId": nodeID,
+	}
+
+	if err := b.cdpClient.Execute(ctx, "DOM.setFileInputFiles", params, nil); err != nil {
+		return fmt.Errorf("failed to set files: %w", err)
+	}
+
+	return nil
+}
+
+// SetFileInput es un alias de UploadFiles
+func (b *Browser) SetFileInput(ctx context.Context, selector string, files []string) error {
+	return b.UploadFiles(ctx, selector, files)
+}
+
+// ClearFileInput limpia un input de tipo file
+func (b *Browser) ClearFileInput(ctx context.Context, selector string) error {
+	nodeID, err := b.querySelector(ctx, selector)
+	if err != nil {
+		return fmt.Errorf("file input not found: %w", err)
+	}
+
+	// Establecer array vacío
+	params := map[string]interface{}{
+		"files":  []string{},
+		"nodeId": nodeID,
+	}
+
+	if err := b.cdpClient.Execute(ctx, "DOM.setFileInputFiles", params, nil); err != nil {
+		return fmt.Errorf("failed to clear files: %w", err)
+	}
+
+	return nil
+}
+
+// GetFileInputValue obtiene los nombres de archivos seleccionados
+func (b *Browser) GetFileInputValue(ctx context.Context, selector string) ([]string, error) {
+	script := fmt.Sprintf(`
+		(() => {
+			const input = document.querySelector('%s');
+			if (!input || input.type !== 'file') return null;
+
+			const files = Array.from(input.files);
+			return files.map(f => f.name);
+		})()
+	`, selector)
+
+	result, err := b.Evaluate(ctx, script)
+	if err != nil {
+		return nil, err
+	}
+
+	if result.Value == nil {
+		return []string{}, nil
+	}
+
+	// Convertir resultado a []string
+	filesInterface, ok := result.Value.([]interface{})
+	if !ok {
+		return nil, fmt.Errorf("unexpected result type")
+	}
+
+	var files []string
+	for _, fileInterface := range filesInterface {
+		if fileName, ok := fileInterface.(string); ok {
+			files = append(files, fileName)
+		}
+	}
+
+	return files, nil
+}
+
+// IsFileInputMultiple verifica si un input acepta múltiples archivos
+func (b *Browser) IsFileInputMultiple(ctx context.Context, selector string) (bool, error) {
+	script := fmt.Sprintf(`
+		(() => {
+			const input = document.querySelector('%s');
+			return input && input.multiple === true;
+		})()
+	`, selector)
+
+	result, err := b.Evaluate(ctx, script)
+	if err != nil {
+		return false, err
+	}
+
+	isMultiple, ok := result.Value.(bool)
+	if !ok {
+		return false, nil
+	}
+
+	return isMultiple, nil
+}