Mozilla Festival is where the world’s boldest thinkers, builders, and changemakers come together to reimagine the internet—and the future. Now in its 15th year, Mozilla Festival heads to Barcelona from November 7–9, 2025, transforming Poble Espanyol into a dynamic playground of ideas, innovation, and creative resistance.

This year’s theme, "Unlearning," invites over 3,000 global participants to challenge conventional wisdom and co-create radical new approaches to technology, society, and justice. The three-day experience features 200+ sessions—including immersive workshops, live performances, art installations, and speaker events—all designed to spark collaboration, critical dialogue, and action. Mozilla Festival is where brands meet movement-makers. It’s a high-impact opportunity to connect with a global community passionate about ethics, equity, and the future of the digital world.