Stopwords for various languages in JSON format. Per Wikipedia:

Stop words are words which are filtered out prior to, or after, processing of natural language data [...] these are some of the most common, short function words, such as the, is, at, which, and on.

You can use all stopwords with stopwords-all.json (keyed by language ISO 639-1 code), or see the below table for individual language stopword files.

There are a total of 50 supported languages:

• Apache Lucene - Apache 2.0 License
• Carrot2 - License
• cue.language - Apache 2.0 License
• Jacques Savoy - BSD License
• SMART Information Retrieval System: ftp://ftp.cs.cornell.edu/pub/smart/
• ASP Stoplist Project - CC-BY and Apache 2.0

Copyright (c) 2017 Peter Graham, contributors. Released under the Apache-2.0 license.