Why I Made This

After accumulating over 24 million words of journal content across 16,000 entries, I built this tool to explore patterns, memories, and meaning at scale.

I’m a lifelong solo journaler and lifelogger—not a company, not a startup. I created this app because I couldn't find a serious tool that helped me reflect on decades of writing without compromising privacy or control.

If you write extensively—whether as a diarist, researcher, lifelogger, memoirist, biographer, or quantified-self enthusiast—perhaps you’ll find this especially useful. I built it to help people like us uncover insight from what we’ve already written.

Lifelogging.AI is fully self-funded and solo-operated. There’s no tracking, no ads, and no subscriptions. A nominal fee helps deter bots and cover hosting costs, but my aim is simply to sustain the tool and support others on a similar path.

Features

Lifelogging.AI is a web application that analyzes your journaling, helping you find patterns, track trends over time, and gain insights into your thoughts and emotions. Having dedicated many years to mastering the art of finding patterns in data, I designed it to make journal analysis simple, with features like easy data import and privacy-first data handling.

• Natural Language Chat Interface – Use a conversational prompt-based UI to explore your journal through natural language. This chat interface supports retrieval-augmented generation (RAG), allowing you to filter documents with search, then analyze them using a language model. Includes example prompts and a thread list to track conversations.
• Multi-Level Summarization – Summarizes your entries at various levels of detail and point of view, including summary-of-summaries workflows for high-level synthesis.
• Semantic Search – Discovers conceptual themes and hidden relationships across entries using meaning-based similarity.
• Keyword Search – Finds specific terms, quoted phrases, or excludes entries with unwanted words using structured search syntax.
• Trend Tracking – Monitors how your thoughts, terms, and emotions evolve over time using frequency timelines.
• Sentiment Analysis – Reveals insights into the emotional tone and polarity of your writing, with per-entry or time-series views.
• Synonym Replacement – Cleans up visualizations and term statistics by collapsing semantically similar terms and filtering noise.
• Word Cloud Visualization – Visualizes commonly used words and themes in your writing at a glance.
• Proofreading – Ensures your entries are free of errors, even handling punctation-free stream-of-consciousness style content.

This app differs from other journaling tools in several important ways:

• Exact, Large-Scale Text Statistics – Get precise word and keyphrase counts, sentiment timelines, and frequency trends—backed by deterministic logic, not approximations. Tested on 25+ million-word corpora.
• Search with Full Retrieval Power – Use keyword and semantic search, with support for quoted phrases and exclusions. Retrieve insights across thousands of entries, with document-level traceability.
• Multi-Stage Summarization – Summarize hundreds of entries at once, then distill those summaries into a higher-level synthesis. Perfect for reflection, trend compression, or use with LLM pipelines.
• Built for Power Users – Unlike guided journaling apps, this is for those who already write—and want to mine insight from what they’ve written.

Simple Data Import

Bring your journal entries, notes, or any text data. Super easy. Barely an inconvenience.

Data Security

Our web app ensures your data is protected with two layers of security. First, the database uses LUKS to encrypt all data stored on disk. This means that all your data remains encoded and unreadable without the correct decryption key, just like locking a safe. Secondly, our application encrypts your personal content using AES-256 before it even reaches the database. This adds another layer of security, ensuring that even if someone could access the database directly, they would still only see scrambled data. Together, these measures provide robust protection for your data, keeping it secure and private. Data in transit is encrypted using SSL to ensure that data moving between the application and the database is encrypted to prevent eavesdropping.

Visual Design

The interface might make you think, "The 1990's called and said they wanted their web design back!" 😸 Let's just say I'm focusing on the engine before the paint job. I’m pouring my efforts into making the analysis tools as powerful and user-friendly as possible, which means the aesthetic part is still a bit... retro. But hey, everything vintage is cool again, right? If enough people find this app useful I’ll invest more into the visual design.

My Journey with Lifelogging.AI

I’ve been using Lifelogging.AI to process audio journals I recorded in noisy environments. These journals are full of typos and garbled text, but the app’s proofreading capability handles them beautifully. I experienced a bonafide wow moment when it took a stream-of-consciousness mess of unpunctuated sentence fragments and made them readable.

I have over sixteen thousand journal entries consisting of twenty five million words. With so much content, I use the app to summarize my entries. I can choose between natural, conversational summaries or easy-to-scan bullet lists. Sometimes even the summaries are too much. That’s when the summary-of-summaries feature comes in handy. It distills the information while still keeping the important details and my unique voice intact.

The search feature is amazing. It has reminded me of things I’d long forgotten, bringing back interesting memories. The visualizations give me a quick sense of how themes, topics, or people in my journals have evolved over time.

This tool has truly helped me rediscover and understand my past journaling in a new way.

Questions? Comments?

To learn more please ask the FAQ Chatbot.

To tell me what you think please see the Feedback and Support page.