Mahāvyutpatti Buddhist Dictionary

Mahāvyutpatti is a historic dictionary compiled in the Song dynasty for
translation of Buddhist texts to Tibetan. Chrome Extension
It can help you stay within the flow of a document, avoiding the need to skip out to other tabs to do dictionary lookups.

Try it out on web site like the University of Oslo's multilingual corpus Thesaurus Literaturae Buddhicae. For example, the Aṣṭasāhasrikā Prajñāpāramitā 'Perfection of Wisdom in 8,000 Lines'. It also may be useful for sites like 84000.co ‘Translating the Words of the Buddha’ and the Buddhist Digital Resource Center.

There is a demo of the extension here
https://youtu.be/_RXTqXetQb8

This is an open source project. You can find more about it here
https://github.com/alexamies/chinesenotes-dart/tree/master/mahavyutpatti-chrome-ext