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This study examines the influence of graphic icons in building and maintaining social connections in computer-mediated communication interactions. Through an online survey, participants (N = 395) were randomly assigned to reflect on conversations with either a close contact (strong tie) or an acquaintance (weak tie) and reported their use of graphic icons. We found that the use of graphic icons can be viewed as part of routine relational maintenance practices. More frequent use of memes, GIFs, and emojis was associated with greater self-disclosure breadth and depth, stronger intimacy, and better relationship maintenance. Social anxiety and tie strength moderated these relationships. The effects were stronger for less socially anxious individuals and in weak tie relationships, suggesting that graphic icons may serve different social functions depending on individual characteristics and relational contexts. These findings provide evidence that memes, GIFs, and emojis can serve as useful tools to improve social connection and relationship management in digital communication.