
Find Hidden Patterns in a Lifetime of Journals
Quantitative journal analysis at scale—with word trends, emotional timelines, semantic themes, and AI-driven insights across thousands of entries.
Exact, Large-Scale Text Statistics
Get precise word counts, keyphrase frequencies, sentiment timelines, and trend charts—backed by deterministic counts, not LLM approximations. Works on 25+ million-word corpora without breaking a sweat.
True Information Retrieval
Search your journals using keyword and semantic search—including quoted phrases and term exclusions—across thousands of entries, with high accuracy and full provenance.
Built for Power Users, Not Prompt Gamers
Designed for diarists, researchers, lifeloggers, and quantified-self enthusiasts who want real insight from years of writing—not guided prompts or superficial mood summaries.
Recursive Summarization, Ready for RAG
Generate document-level summaries at scale, then distill them into a summary of summaries—ideal for longitudinal insight, trend condensation, or feeding into language model pipelines.
Conversational AI Interface with RAG
Explore your journals through a natural language chat interface powered by retrieval-augmented generation. Ask questions, apply prompt templates, and summarize filtered sets of documents—no coding or clicking required.
Visual Insight Tools Built for Reflection
Track emotional tone, word trends, and term evolution over time with sentiment timelines, word frequency graphs, and cleaned-up visualizations—built to surface what's changed and what keeps recurring.
Interact with the full feature set—search, visualizations, and AI-driven analysis—using the Pepys demo diary. No login needed.
📬 Request Full AccessTo upload and analyze your own journals, request an invite via contact form.
See LifeLogging.AI in Action
Getting Started Demo (No Sound)
A quick, silent tour of the app's key features.