Emscripten

emscripten

A complete compiler toolchain to WebAssembly, using LLVM, with a special focus on speed, size, and the Web platform.

Runs as emcc, em++, emar, emcmake, emconfigure|macOS, Linux, Windows|emscripten.org

Open form in Otty otty.toml

What the manifest covers

3 sections, each its own tab

Command form

ai-draft · 2 tasks · 12 fields

otty gui emscripten opens Compile with emcc and fills your prompt with the command.

Autocomplete

generated · 2.9 KB

Subcommands, options and argument candidates Otty offers as you type.

Dotfiles

1 path · machine-local lines

Where it keeps its config, which parts are credentials, and which lines belong to one machine.

Published manifest

Immutable: every revision keeps its URL and its digest

Version window

All versions

Revision

2c65c4dfc0e65cc2d729c3a66b2f212222a55aa2bd0f5f720872b02229f66a43

Read it

otty.toml · JSON · API metadata

SourcesEvery field cites one of these

emcc

emcc [options] file... "-O2" "-O3" "-Oz" "-g" "--closure 0|1|2" "--embed-file <file>" "--preload-file <name>" "--shell-file <path>" "--bind" "-o <target>" "-c"

manual2026-10-27

emscripten.org