There are 2 repositories under whatsapp-database topic.
A cross-platform tool for parsing WhatsApp chat databases from Android and iOS/iPadOS backups. Supports Android .crypt12, .crypt14, .crypt15, and the latest database formats. Outputs chat history in readable HTML or structured JSON.
A python script for extracting WhatsApp conversations from the app's SQLite database and exporting them as HTML or txt files.
Extract WhatsApp conversations from the app's SQLite database and exporting them as JSON or TXT files
Best Way to See WhatsApp crypt14, crypt15 chats, This Tool Help to convert Your WhatsApp databse to HTML.