LevelUp Audio

Open-source notices

LevelUp Audio uses publicly available media-processing tools. All media processing runs in your browser; files are not sent to a server.

FFmpeg and ffmpeg.wasm

Versions used:@ffmpeg/core 0.12.10, FFmpeg n5.1.4. The distributed engine is an unmodified public release from the upstream project. Its WebAssembly file is split into chunks to reduce transfer size, reassembled into the original bytes at runtime, and checked against a SHA-256 integrity hash.

This build includes GPL features and x264, x265, libvpx, LAME, Ogg, Theora, Opus, Vorbis, zlib, WebP, FreeType, FriBidi, HarfBuzz, libass, and zimg. Copyright, license, and source information for each component appears in the corresponding upstream source directories and build configuration.

Site source code

Download the site's HTML, CSS, JavaScript, and browser-processing code below. Service outputs and temporary browser files are not included in the source.

Download site source

Original engine source and build reference list