WhatsAppFree Feature
WhatsApp Activity Heatmap
24h × 7-day message intensity grid showing exactly when your group is most active.
Try Activity Heatmap on WhatsApp — FreeHow it works
1
Export your WhatsApp chat as a .txt file
2
Upload the file to ChatAnalyzer
3
Get instant Activity Heatmap insights
Frequently asked questions
Is Activity Heatmap for WhatsApp free?
Yes — Activity Heatmap is available on the free plan. No payment required.
How long does WhatsApp analysis take?
Most chats are analyzed in under 10 seconds. Large group chats may take up to 30 seconds.
Is my WhatsApp data safe?
Your chat file is processed in-memory and never stored permanently on our servers. Analysis results are encrypted at rest with AES-256-GCM.