Ctrlb Decompose

CtrlB Decompose is a free log analysis tool from CtrlB that compresses noisy, unstructured log streams into structural patterns. It groups millions of lines into typed templates and reports statistics and correlations for each pattern, so an engineer can see which messages dominate, which are rare and which tend to occur together, without reading raw output line by line. It runs in two ways. The browser version uses WebAssembly, so a log file can be dropped onto the page and analyzed locally, with results shown in a human readable view, as JSON, or in a compact format optimized for passing to a large language model. A command line version supports scripted workflows, and the source is published on GitHub. It suits SREs, platform engineers and developers debugging incidents, and anyone who wants to feed a summary of a large log into an AI assistant instead of the full file. Decompose itself carries no charge. It sits alongside CtrlB's main observability platform, which stores and searches logs, traces and metrics on a diskless columnar data lake. That platform publishes three plans: Free at $0 for up to 150GB per month with 14 days of retention, alerts, dashboards and email support; Pro at $0.20 per GB per 30 days with unlimited ingest, 30 days of retention and Slack or Microsoft Teams support; and Enterprise with custom volume pricing, a dedicated account manager, migration assistance and 24/7 on call support. CtrlB can run in its cloud, the customer's cloud or a hybrid setup.