The WASM Conference in Europe
Join the WebAssembly community from around the world for two days of deep technical sessions. There is no better place to share, discuss, collaborate and socialize with other WebAssembly professionals.
WASM I/O 2026 will take place in the beautiful city of Barcelona. Don’t miss the chance to join us and shape the future of WebAssembly!
Discover Barcelona
Wasm I/O will be held at the AXA Convention Center which part of an enormous complex located on the main artery of Barcelona. City communications are excellent and access from Barcelona’s Airport and Sants Station is very quick.
Barcelona is a city with a wide range of original leisure options that encourage you to visit time and time again. Overlooking the Mediterranean Sea, and famous for Gaudí and other Art Nouveau architecture, Barcelona is one of Europe’s trendiest cities.