C on the Web with This C to WASM Build Server and CDN
A Portable C ➤ WASM CDN
C on the Web with This C to WASM Build Server and CDN launched on August 21, 2017 with 14 votes, #866 of 3,214 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 9 years on.
In plain words
Wasup is a build server and CDN that compiles C programs to WebAssembly without requiring local installation of development tools. Users can submit C code and receive compiled WASM binaries ready to run in the browser, making it useful for quick experiments and rapid prototyping. The service is designed for portable, standalone programs and includes a demo using webcam functionality. It is not intended for production use.
written from the facts on this page · September 2026
From the sources
If you are reading this on GitHub, please visit the website . If your are on the website, here ’s the source code. Wasup is a build server and CDN for single-page, portable and standalone C programs. Given programs are compiled to Web Assembly, without any modules (such as libc). You can use this for quick wasm experiments or rapid prototyping on a machine that doesn’t have wasm-llvm or emsdk installed. Don’t use this for anything serious. This demo uses a modified version of migerh’s minimal wasm sample . You need a webcam for this. In addition to normal JS, CSS, HTML and asset files, save your C programs in the same directory. You can take a look at this repo’s demo dir to get an idea.…from turbo.github.io
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