Upload any chat export. Get instant behavioral analytics — engagement scores, sentiment trends, activity patterns, and per-participant insights.
Free plan · No credit card required · Files never stored permanently
Messages
24,831
+12%Participants
12
Duration
186d
Avg / day
133
+8%Activity by hour
Balance
Analytics
From raw chat exports to deep behavioral insights — no data science background required.
Weighted heuristic measuring participation, response speed, and conversation depth for each member.
Identify who drives the conversation and how message share is distributed across participants.
Average and median reply speeds per participant — see who responds fast and who goes quiet.
24h × 7-day message intensity grid showing exactly when your group is most active.
Track emotional tone trends over time — see how mood shifts across the conversation history.
Measure how evenly distributed the conversation is — detect lurkers and dominant voices.
Process
Export your WhatsApp chat log as a .txt file. Telegram & Slack support coming soon.
Drop your file on ChatAnalyzer. Our engine processes it in seconds — no data stored permanently.
Interactive dashboard with charts, scores, timelines, and per-participant breakdowns.
Pricing
Start free, upgrade when you need more. No hidden fees.
Perfect for personal use
or $39.99/year — save 67%
Export Guide
Step-by-step instructions for WhatsApp, Telegram, and Slack.
Works on both Android and iOS. Group chats up to 100k messages are supported.
Full export guide →FAQ
Everything you need to know about ChatAnalyzer.
No. Your raw chat files are processed entirely in-memory and immediately discarded after analysis. We only store encrypted aggregated metrics — never the original messages.
WhatsApp (.txt export), Telegram (.json export), and Slack (.zip export) are fully supported. More platforms are coming soon.
Free plan supports files up to 5 MB. Pro plan supports up to 50 MB — enough for multi-year group chats.
Yes. Group chats work great — you'll get per-participant breakdowns, dominance indices, balance scores, and more.
Engagement scores, response times, activity heatmap, sentiment trends, group balance, and (Pro) personality profiles, language synchrony, manipulation pattern detection, and memory cards.
Yes — the Free plan includes 1 analysis per month with core metrics and 7-day data retention. Pro unlocks unlimited analyses, advanced NLP features, memory cards, and export options.
Go to Settings → Billing & Subscription and click "Cancel Subscription". Your plan stays active until the end of the billing period.
Yes. We follow privacy-by-design principles. You can download all your data or delete your account at any time from Settings.
Your chat content is processed in-memory and never stored permanently on our servers. Analysis results are encrypted at rest with AES-256-GCM.