ArchiveSpark is an Apache Spark framework for easy data access, processing, extraction as well as derivation for Web archives and archival collections. It has a simple and expressive interface and an extensible architecture to support various derivation tools. It is compliant to and reuses of the standard formats in the domain of Web archives, and also the output is in a standard, readable and reusable format. An efficient selection and filtering process based on a metadata index makes this framework faster than alternative approaches without depending on any additional data stores.