The Internet Archive (archive.org) occasionally hosts public domain and Creative Commons-licensed movies, but it's essential to note that "Pulp Fiction" is a copyrighted film. However, you might find it through other means.
: For the best quality (and to avoid streaming availability issues), the 4K Ultra HD Blu-ray is highly regarded for its restoration of Quentin Tarantino’s visual style. Why it might not be on the Internet Archive pulp fiction full movie internet archive