Free WhatsApp & Instagram Chat Analyzer
Stop overthinking their texts. Let the data speak.
Export your chat and drop it here. Get a brutally honest, data-driven readout of your texting chemistry. See who carries the conversation, analyze response times, and spot patterns.
Drop your chat export file here
Supports WhatsApp .txt · Instagram messages.json (Max 15MB)
How to export your chat ↓
Decode Text Chemistry
Scans long-term patterns to separate texting anxiety from actual communication habits.
Linguistic Sync
Measures how pronouns, emojis, and vocabulary mirror each other.
Dry Texting & Effort
Audits average word counts and dry rates to see who carries the conversation.
Response Lag
Calculates median reply times to reveal your true baseline response symmetry.
Initiation Share
Tracks who pulls the conversation forward when the chat goes cold.
Absolute Privacy
Your personal texts are nobody's business. We process everything directly in your browser.
100% Client-Side
All analysis runs directly in your browser. Your raw chat files never touch any server.
Try it Offline
Once the page loads, you can turn off your internet completely. The tool still works.
Zero Database
No account registrations, no cookies, no tracking. We store absolutely nothing.
Is my data safe and private?
Yes. Your chat data never leaves your device. The analysis algorithm runs 100% locally in your web browser. No messages are ever uploaded to a server.
Common Questions
Quick details about chat export methods and our analytics metrics.
WhatsApp Export
Settings → ⋮ More → Export Chat → Without Media. Drop the resulting .txt file here.
Instagram Export
Settings → Your Info & Permissions → Download Info → Messages (JSON) → Request export.
Delusion Index
Measures the gap in response speed and volume to check if you are chasing a ghost.
Does this work on iPhone group chats?
Relationship Lens is currently optimized for 1-on-1 direct messages. It works perfectly on iPhone WhatsApp and Instagram exports for two people. Group chats are not fully supported yet.