Bailey HayesCosmonic
Early Bird
297 €
Until December 15th
All Things Webassembly
Barcelona
Mar • 27- 28 • 2025
2-Day Conference
Auditori L'illa
Where WebAssembly Gets Real
WASM I/O 2025 · 27 - 28 Mar · Barcelona
Wasm I/O is a two-day single-track conference focused on the WebAssembly ecosystem.
Join us in our third edition!
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 2025 will take place in the beautiful city of Barcelona. Don’t miss the chance to join us and shape the future of WebAssembly!
2 days
27 - 28 Mar 2025
Barcelona
An unbeatable location
Call for papers
Want to share your knowledge / experience or have an interesting story? Presenting at Wasm I/O is an awesome opportunity to engage with the WebAssembly community.
Send us your talk, panel or workshop session for more in-depth coverage of topics. CFP closes on 22nd December 2024.
We welcome proposals from everyone, and will evaluate each proposal.
Send your ProposalSecure
your ticket!
Early Bird
Access Pass WASM I/O 25Standard
After 15th DecStandard
15 Dec 24 - 23 Feb 25
![WASM I/O 2025]()
Late Bird
After 24th FebLate Bird
24 Feb 25 - 26 Mar 25
![WASM I/O 2025]()
Take a look
at last year's edition
Discover Barcelona
Wasm I/O will be held at the Auditori L’illa 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.
About The Venue
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