WhatsApp Chat Analysis with Streamlit

Data Science & Natural Language Processing (NLP)

September 2021 2 min read

Interactive WhatsApp Chat Analytics & NLP Insights

An interactive Data Science web application designed to process and visualize exported non-media WhatsApp chat files from both iOS and Android devices. It extracts deep communication patterns, user activity heatmaps, emoji distributions, and multilingual word clouds.

Key Solution Highlights

Multilingual WordCloud Engine

Generates rich word frequency clouds supporting top 50 languages with custom stop-word removal and emoji filtering.

Activity Heatmaps & Member Metrics

Calculates per-user message volume, monthly timeline trends, active hours breakdown, and peak interaction heatmaps.

Emoji Distribution & Sentiment Analytics

Maps emoji frequency distribution across conversation threads, revealing emotional tone and communication habits.

Streamlit Web Application

Built with Streamlit, Pandas, Matplotlib, and Seaborn to offer real-time drag-and-drop chat parsing and instant visual feedback.

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