Webfolios, or web portfolios, are innovative learning tools. Therefore, the objective of this study was to examine the effect of using webfolios on Saudi EFL students' self-directed learning readiness. Participants were pretested on self-directed learning readiness before starting to work on their webfolios. They used Blackboard to create and use their webfolios. After the webfolios were completed, participants were posttested. A significant effect was found for webfolios on participants' self-directed learning readiness. Consequently, it was concluded that webfolios should be used at college level to enhance students' self-directed learning readiness. Some recommendations and suggestions for future research were introduced.