Lertaro

Spec sheet

Product

Lertaro is an open-source file search launcher and productivity tool for Windows.Read 11 Oct 2026 · lertaro.github.io

Integrations

The site lists File Explorer, Total Commander, Directory Opus, OneCommander, QuickLook, LocalSend, and Flow Launcher compatibility or integration.Read 11 Oct 2026 · lertaro.github.io

Privacy

The maker says Lertaro runs locally and offline, with zero telemetry and no cloud communication.Read 11 Oct 2026 · lertaro.github.io

Support

The maker directs users to GitHub issues for bugs and feature ideas and accepts donations to support development.Read 11 Oct 2026 · lertaro.github.io

License

The GitHub repository identifies the project as MIT licensed.Read 11 Oct 2026 · github.com

Actions and preview

The actions menu provides native Shell right-click integration, and Alt+P triggers QuickLook file previews.Read 11 Oct 2026 · lertaro.github.io

Architecture

Lertaro separates its LocalSystem background service, user-mode WPF application, and keyboard-hook helper into isolated processes.Read 11 Oct 2026 · lertaro.github.io

Disk analysis

Its Treemap view analyzes indexed disk usage without rescanning disks and supports folder drill-down and cleanup actions.Read 11 Oct 2026 · lertaro.github.io

Downloads

The maker lists installer and portable downloads for x64 and ARM64 Windows.Read 11 Oct 2026 · github.com

File dialogs

Lertaro can dock in Windows Open/Save dialogs and synchronize selections and active paths with supported file managers.Read 11 Oct 2026 · lertaro.github.io

Indexing

It uses NTFS/ReFS USN change journals and MFT tables for indexing, and supports FAT32/exFAT change notifications and network share caching.Read 11 Oct 2026 · lertaro.github.io

Plugins

Lertaro provides a .NET 10 C# plugin SDK and supports Flow Launcher community plugins.Read 11 Oct 2026 · lertaro.github.io

Search

Its search supports fzf-style fuzzy matching, path tokens, prefix/suffix filters, and pinyin aliases for non-ASCII text.Read 11 Oct 2026 · lertaro.github.io

Plans and prices

Every Lertaro plan and price →

Where Specifiction places it

• Desktop Search Software#28 of 577.4