Precision File Search
Precision File Search: A free, open-source desktop search tool with local semantic AI across three platforms. Ranked #39 of 57 in Desktop Search Software by our editors (4.9/10); pricing: Free plan; best for free local AI-assisted search across three platforms.
At a glance
- Editor score4.9 / 10
- PricingFree plan
- Best forFree local AI-assisted search across three platforms
- Free planYes
- Paid fromFree
- Content searchYes
- Facts checked20 Sep 2026
Where it wins
- Combines classic, semantic, and natural-language file search
- Runs local AI models and a vector database on your machine
- Supports more than 60 file types with incremental re-indexing
Where it doesn't
- Focused on files stored locally rather than broader sources
- Advanced AI features require local model and vector database operation
- License metadata differs between the README and pyproject.toml
Our verdict on Precision File Search
Precision File Search is a free, open-source desktop application for finding, classifying, organizing, and understanding files on Windows, macOS, and Linux. It is aimed at general users, developers, researchers, and professionals managing large local document collections. The product combines familiar search by filename, content, regular expression, and filters with semantic search, natural-language questions, and synthesized answers from local files.
Its main distinction is the breadth of local AI features. A retrieval-augmented generation pipeline supports semantic retrieval and answers, while a trainable machine-learning classifier can categorize documents and automatically organize them into folders. Local model and vector database operation keeps the workflow centered on files stored on the machine. Incremental re-indexing is also included for changed files, helping maintain an index as a document collection evolves. Support for more than 60 file types gives the tool a wider document scope than a name-only search utility.
Precision File Search makes the most sense for people who want AI-assisted discovery without a paid plan and who work primarily with local documents. It is less suited to teams seeking a broader source-search layer or workflows centered on content outside the local machine. Prospective users should also review the licensing details before redistribution: the repository README describes MPL-2.0, while the current pyproject.toml metadata specifies AGPL-3.0-or-later. For personal local search, development work, research collections, and document-heavy professional use, its combination of classic indexing and local AI is the central reason to consider it.
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Precision File Search pricing
Precision File Search fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Supported platforms | windows, macos, linux |
| Index locations | local |
| Content search | Yes |
| Email search | Not verified |
| Message search | Not verified |
| OCR search | Not verified |
| Indexed-item limit | Not verified |
| Deployment | Desktop, Self-hosted |
| Platforms | Windows, macOS, Linux |
| Support | Docs |
| Built for | Solo, Small business, Mid-market, Enterprise (editorial estimate) |
| Pricing | Free plan |
| Website | pfs-ai.github.io |
| Facts checked | 20 Sep 2026 |
Alternatives to Precision File Search
- EverythingA free Windows search utility for instant filename and path discovery.9.3
- Copernic Desktop SearchA Windows search tool for broad local, network, email, and cloud indexing.9.2
- DocFetcherA free, portable full-text search tool for local files, archives, and PST email.9.0
See all Precision File Search alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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