The search engine your PC deserves.
Lumen bypasses the Windows API to search your local files instantly. Find documents by raw text, and images by semantic meaning. 100% local CPU inference. Zero cloud telemetry.
Lumen requires Administrator privileges to read the raw NTFS Master File Table. As an independent release, Windows SmartScreen may flag the installer as 'Unknown Publisher'—click 'Run Anyway'.
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The Engine
ArchitectureRaw MFT Parsing
Bypasses standard APIs to read the Master File Table directly. Indexes millions of files in under 5 seconds.
Multimodal Local AI
Runs quantized CLIP and all-MiniLM neural networks entirely on your CPU via ONNX Runtime. Search your personal images and documents by concept.
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FTS5 In-Document Search
Uses a SQLite Virtual Table to build an inverted index of your PDFs and Word docs. Type a sentence, find the exact document it’s written in.
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The Footprint
Completely self-contained. ~500MB idle RAM to keep the Windows Kernel hook, SQLite database, and two AI models loaded for 0ms latency.
Pricing & Roadmap
DeploymentLumen Core
Free Forever
- ✦Instant MFT Keyword Search.
- ✦SQLite FTS5 In-Document Search.
- ✦Semantic Text & Image Search (Indexed automatically for Desktop, Documents, Downloads, Pictures).
Lumen Pro
$29 Lifetime License
- ↳Custom Volume Indexing (Add external Drives, D:\ drives, and USBs).
- ↳Network/NAS Drive Support.
- ↳Local OCR (Search text inside screenshots).