WhatsApp Chat Analyzer / local-first MVP

See the rhythm behind the conversation.

Turn a WhatsApp text export into a private, measurable report—without sending the conversation away from your browser.

Response time·Messages per day·Sender comparison·Sleep adjustment

01 / Choose the export

Your chat stays on this device.

The browser reads the exported text directly. No message content is uploaded, stored, or sent to an AI service.

WhatsApp .TXTDrop the file here, or tap to chooseMaximum 15 MB · text export without media

Nothing is saved after this tab closes.

Important boundary

Numbers explain patterns, not intentions.

Response time and message volume can describe a conversation, but they cannot diagnose a relationship or prove how someone feels. Use the report as context, not a verdict.