ExplorerPro Suite

English | Deutsch | Machine-readable context (llms.txt)

Note

Disambiguation & LLM Context: file-bricks/ExplorerPro is a local-first desktop file manager and power-user explorer suite built with Python (PySide6 / Qt 6). It is completely independent of cloud-based web drives, mobile file managers, or closed-source commercial utilities. Machine-readable architecture context, search keywords, runtime invariants, and verification entry points are maintained in llms.txt. Last checked: 2026-09-29.

ExplorerPro is a modern, privacy-first desktop file manager and power-user explorer suite for Windows, Linux, and macOS. It unites multi-tab directory navigation, instant multi-format file previews (PDF, images, syntax-highlighted source code, markdown, spreadsheet), high-performance SQLite FTS5 full-text indexing, byte-exact hash-based duplicate detection, privacy monitoring, folder synchronization, and an integrated code editor in a single native PySide6 (Qt 6) application.

Quick Navigation

Features & Core Capabilities
System Architecture & Data Flow
Target Personas & Discoverability
Comparative Matrix vs. Alternatives
Dual Mermaid Diagrams
Governance & Runtime Invariants
Multi-Tab Browser & Instant Previews
SQLite FTS5 Full-Text Search & Duplicate Elimination
Visual Showcase Gallery
Installation & Dependencies
Integrated Quick Editor & Sync Engine
Universal 6-Language Localization
Keyboard Shortcuts & Power Controls
Workspace Management & Redacted Export
Microsoft Store & Packaging
Testing & Quality Gates
Third-Party Licenses & Transparency
Security Policy & Sibling Ecosystem

1. Features & Core Capabilities

Standard operating system file managers are built for casual browsing and lack the heavy-lifting tools developers, researchers, and power users require daily. ExplorerPro addresses this gap by packaging pro-grade productivity utilities into a cohesive, responsive desktop interface with zero telemetry and 100% Local-First data isolation:

Unified Multi-Tab Experience: Browse multiple directories concurrently with tab pinning, breadcrumb navigation, drag-and-drop, and intelligent context menus.
Deep File Inspection: Instant inline rendering for PDFs (PyMuPDF), images, structured spreadsheets (pandas, openpyxl), Markdown, and source code files with auto-detected syntax highlighting.
High-Performance FTS5 Search: Rapid indexing and search across file names and text contents using embedded SQLite Full-Text Search with WAL mode.
Byte-Exact Duplicate Elimination: Dual-stage scanning (file size grouping + MD5/SHA-256 chunk hashing) with side-by-side preview and safe recycling.
Data Privacy & Blacklist Watchdog: Continuous scan indicator alerting users to accidental exposure of credentials, private keys, or blacklisted file patterns.
Integrated Code Editor & Sync Tools: Quick inline editing with indentation guides, line numbers, and one-way/mirror directory synchronization with regex exclusion filters.
Batch Renamer & Diff Viewer: Multi-criteria rule-based batch renaming with live preview, collision detection, atomic rollback, and side-by-side file comparison.
6-Language Native Localization: Full dynamic UI translation across English, German, Spanish, Chinese, Japanese, and Russian.
Universal Multi-Resolution Icon Suite: 7-layer Windows ICOs, high-resolution master PNGs, PWA mobile icon suite, and Microsoft Store asset sets.

2. System Architecture & Data Flow

ExplorerPro separates user interface presentation, application lifecycle coordination, background indexing and analysis engines, and file safety mechanisms into decoupled modular layers:

+---------------------------------------------------------------------------------+
|                                 USER INTERFACE                                  |
|   +------------------------------------+   +--------------------------------+   |
|   | MainWindow (Docking & Menus)       |   | FileBrowser (Multi-Tab Table)  |   |
|   +------------------------------------+   +--------------------------------+   |
|   +------------------------------------+   +--------------------------------+   |
|   | PreviewPanel (PyMuPDF, Code, XLSX) |   | SidebarPanel (Tree, Favorites) |   |
|   +------------------------------------+   +--------------------------------+   |
|   +------------------------------------+   +--------------------------------+   |
|   | QuickEditor (Syntax Highlighting)  |   | DuplicateFinderDialog & Sync   |   |
|   +------------------------------------+   +--------------------------------+   |
+---------------------------------------------------------------------------------+
                                         |
                                         v
+---------------------------------------------------------------------------------+
|                            CORE APPLICATION SERVICES                            |
|   ├── EventBus Signal Dispatcher           ├── SettingsManager (JSON Config)    |
|   ├── ThemeEngine & Dark/Light Palette     └── Translator (6 Languages i18n)    |
+---------------------------------------------------------------------------------+
                                         |
                                         v
+---------------------------------------------------------------------------------+
|                      BACKGROUND INDEXING & ANALYSIS ENGINES                     |
|   ├── SQLite FTS5 Full-Text Engine (WAL)   ├── HashEngine (MD5 / SHA-256)       |
|   ├── PrivacyMonitor (Regex Watchdog)      └── SearchWorker & ThreadPool        |
+---------------------------------------------------------------------------------+
                                         |
                                         v
+---------------------------------------------------------------------------------+
|                          FILE SAFETY & DISK ADAPTERS                            |
|   ├── Safe File Operations (Recycle Bin)   ├── Collision-Free Paste Engine      |
|   ├── Workspace Exporter (Redacted JSON)   └── Shortcut Resolver (.lnk Target)  |
+---------------------------------------------------------------------------------+

Four-View Architectural Topology Overview

+--------------------------------------------------------------------------------------------------+
|                             EXPLORERPRO SUITE ARCHITECTURAL TOPOLOGY                             |
+--------------------------------------------------------------------------------------------------+
| [VIEW 1: USER INTERFACE, MULTI-TAB PRESENTATION & DOCKING CONTROLS]                              |
|   * MainWindow & Menus  : PySide6 QMainWindow, QTabWidget, breadcrumb path bar, dockable panels  |
|   * Multi-Tab Browser   : FileBrowser QTableView with custom sort/filter, icon cache, drag & drop|
|   * Document Previews   : PyMuPDF PDF render, QSyntaxHighlighter code editor, Excel/CSV table    |
|   * Dialog Toolset      : DuplicateFinder, BatchRenamer, ChecksumDialog, DiffDialog, Settings    |
+--------------------------------------------------------------------------------------------------+
|                                                |                                                 |
|                                                v                                                 |
+--------------------------------------------------------------------------------------------------+
| [VIEW 2: APPLICATION EVENT BUS, ORCHESTRATION & LOCALIZATION ENGINE]                             |
|   * EventBus Dispatcher : Decoupled publish/subscribe architecture for cross-widget signals      |
|   * Localization (i18n) : 6-language dynamic translation engine (en, de, es, zh, ja, ru)        |
|   * Settings & Themes   : Atomic JSON config persistence, high-contrast dark/light palette engine|
|   * Platform Utils      : Platform-safe path canonicalization, shortcut resolution (.lnk/symlink)|
+--------------------------------------------------------------------------------------------------+
|                                                |                                                 |
|                                                v                                                 |
+--------------------------------------------------------------------------------------------------+
| [VIEW 3: BACKGROUND INDEXING, CONCURRENT WORKERS & ANALYSIS ENGINES]                             |
|   * Embedded Search     : SQLite FTS5 Full-Text Search with WAL journal & tokenized indexing     |
|   * Byte-Exact Dedupe   : Two-stage size grouping & MD5/SHA-256 chunk hash collision engine     |
|   * ThreadPool Workers  : QThread / QThreadPool non-blocking workers for search, hash & indexing |
|   * Directory Sync      : One-way / mirror synchronization engine with regex exclusion filters    |
+--------------------------------------------------------------------------------------------------+
|                                                |                                                 |
|                                                v                                                 |
+--------------------------------------------------------------------------------------------------+
| [VIEW 4: DEFENSE PERIMETER, RUNASINVOKER NON-ELEVATION & PRIVACY BOUNDARY]                       |
|   * Privacy Watchdog    : Real-time regex monitor detecting credentials, keys & sensitive files   |
|   * File Safety Guard   : OS Recycle Bin non-destructive deletes, collision-free auto-suffix     |
|   * Execution Sandbox   : Unprivileged RunAsInvoker execution (INV-SEC-02, zero UAC elevation)   |
|   * Zero-Egress Air-Gap : Zero network sockets, zero remote telemetry, 100% offline isolation   |
+--------------------------------------------------------------------------------------------------+

3. Target Personas & Discoverability

Target Personas

[PERSONA-01] Desktop Power Users & Windows Sysadmins:
- Context: Managing complex filesystem trees, network shares, nested directories, and daily file triage.
- Pain Point: Default OS file managers lack multi-tab browsing, fast keyboard-driven operations, inline multi-format document preview, and byte-exact duplicate cleaning.
- How ExplorerPro Solves It: Tabbed browsing with drag-and-drop, full keyboard navigation, non-destructive Recycle Bin integration, collision-free auto-suffix pasting, and built-in duplicate detection.
[PERSONA-02] Privacy & Compliance Officers / DSGVO & Enterprise Auditors:
- Context: Regulated legal, medical, research, and corporate desktop workstations handling sensitive data.
- Pain Point: Cloud-synchronized storage clients and proprietary SaaS file viewers exfiltrate telemetry, search index telemetry, and metadata to remote servers.
- How ExplorerPro Solves It: Strict 100% Local-First & Zero-Egress architecture; zero remote sockets; real-time privacy monitor flagging credentials, secrets, and sensitive file patterns; unprivileged RunAsInvoker execution.
[PERSONA-03] Software Developers & Research Analysts:
- Context: Working simultaneously with source code repositories, PDF papers, datasets, configuration files, and tabular data.
- Pain Point: Excessive context-switching between external code editors, slow PDF readers, terminal search commands, and heavyweight spreadsheet software.
- How ExplorerPro Solves It: Instant inline PyMuPDF rendering, syntax-highlighted QuickEditor with indentation guides, instant Excel/CSV tabular preview via pandas/openpyxl, and sub-second embedded SQLite FTS5 search.
[PERSONA-04] Automation Engineers & Multi-Agent Framework Architects:
- Context: Desktop automation, multi-agent frameworks, LLM-driven development environments, and batch workflows.
- Pain Point: Flaky desktop GUI automation, unverified file overwrites, hardcoded user paths, and lack of standardized machine-readable context.
- How ExplorerPro Solves It: Sanitized workspace profile export (explorerpro-workspace-v1.json), automated verification test suites, llms.txt integration index, and strict non-elevation security contracts.

High-Intent Search Queries

"python desktop file manager pyside6"
"local-first multi-tab file explorer windows 11"
"sqlite fts5 desktop search file manager"
"privacy-first file manager zero egress"
"open source duplicate finder agpl"
"pdf viewer markdown syntax preview file explorer"
"offline directory sync tool python"
"accessible desktop file explorer screen reader"
"batch renamer diff viewer desktop app"
"windows store msix desktop file manager"

4. Comparative Matrix vs. Alternatives

Technical Dimension / Invariant	ExplorerPro (`file-bricks`)	Windows File Explorer	Total Commander	Directory Opus	OneCommander	Cloud SaaS Viewers
INV-LOCAL-01 Local-First & Zero Egress	100% Local & Offline	Telemetry Active	100% Local	100% Local	Telemetry / Update	Cloud Relay / Telemetry
INV-SEC-02 RunAsInvoker Non-Elevation	Strictly Unprivileged	OS Shell Integrator	Unprivileged / Admin	Admin Options	Unprivileged	Browser Sandbox
INV-SAFE-03 Destructive Safety & Recycle	Recycle Bin + Modal Guard	Recycle Bin	Direct Delete Prompt	Custom Delete	Recycle Bin	Soft-Delete Cloud
INV-PASTE-04 Collision-Free Auto-Suffix	Automatic `_copy` Suffix	Overwrite Prompt	Overwrite Prompt	Overwrite Prompt	Overwrite Prompt	Server Revision
INV-INDEX-05 Sub-Second SQLite FTS5	Embedded FTS5 (WAL Mode)	Slow Windows Search	Plugin / External	Search Plugin	Everything Index	Server Elastic/Vector
INV-HASH-06 2-Phase Duplicate Scan	Size + MD5/SHA-256 Hashing	None (Third-party)	Basic Compare	Built-in Duplicate	External Tool	None
INV-PRIV-07 Proactive Privacy Watchdog	Real-Time Regex & Blacklist	None	None	None	None	None
INV-I18N-08 Universal 6-Language Parity	DE, EN, ES, ZH, JA, RU	OS Locale Tied	Many Languages	Multi-language	Multi-language	Limited / Web
INV-EXP-09 Redacted Workspace Export	`explorerpro-workspace-v1`	None	Registry / INI	Config Archive	Config File	Cloud Account Sync
INV-SLA-10 Open Source Governance & SLA	AGPL-3.0, 48h Response SLA	Proprietary Commercial	Shareware Commercial	Commercial ($)	Freeware / Pro ($)	Proprietary SaaS ($)

5. Dual Mermaid Diagrams

System Architecture Topology (`flowchart TD`)

flowchart TD
    subgraph UI ["PySide6 Desktop UI Layer (Qt 6)"]
        MW["MainWindow\n(Docking, Toolbars, Menu, Language Switcher)"]
        TB["FileBrowser\n(Multi-Tab, _DnDTableView, ContextMenu)"]
        PV["PreviewPanel\n(PyMuPDF PDF, Images, Markdown, Syntax View)"]
        SB["SidebarPanel\n(Directory Tree, Favorites, App Launcher)"]
        QE["QuickEditor\n(Syntax Highlighter, Line Numbers, UTF-8 Guard)"]
        DF["DuplicateFinderDialog\n(Candidate Tree, Checkboxes, Diff View)"]
        SP["SyncPanel\n(Source/Target Pairing, Diff Engine, Sync Worker)"]
        PI["PrivacyIndicator\n(Traffic-Light Status, Accessible A11y Hook)"]
    end

    subgraph Core ["Core Application Services"]
        EB["EventBus / Signal Dispatcher\n(Decoupled Cross-Component Messaging)"]
        SM["SettingsManager\n(JSON Config, %LOCALAPPDATA% Isolation)"]
        TE["ThemeEngine & Palette\n(Dark/Light Qt Styles, Dynamic Icons)"]
        I18N["Translator & i18n Catalog\n(6 Languages: DE, EN, ES, ZH, JA, RU)"]
    end

    subgraph Engines ["Background Indexing & Analysis Engines"]
        FTS["SQLite FTS5 Full-Text Engine\n(WAL Mode, Tokenized Content Index)"]
        HASH["HashEngine (MD5 / SHA-256)\n(Size Grouping, Chunk-based Hashing)"]
        PM["PrivacyMonitor\n(Regex Blacklist Engine, Sensitive Name Watcher)"]
        SW["SearchWorker & ThreadPool\n(Asynchronous QThread Execution)"]
    end

    subgraph Safety ["File Operations & Safety Layer"]
        FO["Safe File Operations\n(Recycle Bin Integration, OS-Safe Delete)"]
        CP["Collision-Free Paste Engine\n(Auto-Suffixing, Zero-Overwrite Guard)"]
        EXP["Workspace Exporter\n(Redacted explorerpro-workspace-v1 JSON)"]
        LNK["Shortcut Resolver\n(Windows .lnk Target Resolution & Validation)"]
    end

    subgraph Invariants ["Platform & Privacy Invariants"]
        ZERO["100% Offline / Zero-Egress\n(No Telemetry, No Cloud, Zero Remote APIs)"]
        NONELEV["Non-Elevation User Mode\n(Runs strictly without Administrator privileges)"]
        MULTI["Cross-Platform Ready\n(Windows Primary / Linux & macOS Source Parity)"]
    end

    %% UI Connections
    MW --> TB
    MW --> PV
    MW --> SB
    MW --> QE
    MW --> DF
    MW --> SP
    MW --> PI

    %% Core Services Connections
    MW -.-> EB
    TB -.-> EB
    PV -.-> EB
    EB <--> SM
    EB <--> TE
    EB <--> I18N

    %% Engines Connections
    TB --> SW
    SW --> FTS
    DF --> HASH
    TB --> PM
    PM --> PI

    %% Safety Connections
    TB --> FO
    TB --> CP
    MW --> EXP
    PV --> LNK

    %% Invariant Guards
    Core -.-> ZERO
    Engines -.-> NONELEV
    Safety -.-> MULTI

End-to-End Processing Lifecycle (`sequenceDiagram`)

sequenceDiagram
    autonumber
    actor User as Power User / Desktop
    participant UI as MainWindow & FileBrowser
    participant EB as EventBus Dispatcher
    participant Worker as Background QThread Worker
    participant Index as SQLite FTS5 / HashEngine
    participant Preview as Preview Engine (PyMuPDF / Qt)
    participant FS as Local Filesystem & Recycle Bin

    Note over User,FS: 1. Asynchronous Directory Navigation & Preview Request
    User->>UI: Selects file / Switches folder tab
    UI->>EB: emit file_selected(path, mime_type)
    EB->>Preview: Request preview generation
    Preview->>FS: Read file chunk / parse document structure
    Preview-->>UI: Rendered QPixmap / Syntax QSyntaxHighlighter
    UI-->>User: Instant visual preview display

    Note over User,FS: 2. Full-Text Search (FTS5) Query Workflow
    User->>UI: Types query in Search Toolbar (e.g. "confidential project")
    UI->>Worker: Launch SearchWorker(query, filters, search_content=True)
    Worker->>Index: Execute FTS5 MATCH query on local SQLite index
    Index-->>Worker: Stream matching file paths + line offsets
    Worker-->>UI: emit results_chunk_ready(matches)
    UI-->>User: Live results population in TableView

    Note over User,FS: 3. Hash-Based Duplicate Scan & Deletion
    User->>UI: Opens Duplicate Finder & clicks "Scan Folder"
    UI->>Worker: Start DuplicateScanner(target_dir, min_size=1KB)
    Worker->>FS: Scan file sizes (Group identical sizes)
    Worker->>Index: Compute chunk MD5 / full SHA-256 for candidate groups
    Worker-->>UI: emit duplicates_found(grouped_hash_map)
    UI-->>User: Display duplicate candidate tree
    User->>UI: Selects redundant copy & clicks "Delete Selected"
    UI->>FS: Safe recycle / os.remove(unselected_path)
    FS-->>UI: Confirmation of space reclaimed
    UI-->>User: Updated status bar + reclaimed disk space notification

6. Governance & Runtime Invariants

ExplorerPro operates under 10 binding runtime and governance invariants to guarantee complete user privacy, data integrity, and operational predictability:

Invariant ID	Name & Pillar	Implementation Details	User & Security Benefit
INV-LOCAL-01	100% Offline & Zero-Egress Privacy	Pure local runtime (`src/core/`, `src/modules/`)	No network sockets opened; zero telemetry or remote analytics.
INV-SEC-02	Unprivileged RunAsInvoker Non-Elevation	Standard unprivileged user execution	Operates without UAC elevation or root privileges; enterprise-safe.
INV-SAFE-03	Destructive Safety Guard & Recycling	Recycle Bin integration with cancel-default dialogs	Accidental deletions prevented; files recoverable via OS recycle bin.
INV-PASTE-04	Collision-Free Paste & Zero Overwrite	Automatic suffixing (`_copy`, `_copy_2`)	Pasting never silently destroys or overwrites existing file assets.
INV-INDEX-05	Sub-Second SQLite FTS5 Full-Text Index	SQLite WAL mode with tokenized virtual tables	Instant full-text search across thousands of documents locally.
INV-HASH-06	2-Phase MD5/SHA-256 Duplicate Elimination	File size grouping followed by chunk hashing	Rapid and byte-exact duplicate detection without false positives.
INV-PRIV-07	Proactive Regex Privacy & Secret Watchdog	Traffic-light status indicator (`src/modules/privacy/`)	Alerts immediately if API keys, `.env`, or blacklisted terms appear.
INV-I18N-08	Universal 6-Language Native Parity	`locales/translations.json` (233 keys)	100% complete UI translations across DE, EN, ES, ZH, JA, RU.
INV-EXP-09	Sanitized Workspace Export Contract	`explorerpro-workspace-v1` schema	Exported configurations redact absolute paths, usernames, and secrets.
INV-SLA-10	48-Hour Security Response & 5-Day Triage	Bilingual policy in `SECURITY.md`	Rapid vulnerability handling via GitHub Security Advisories.

7. Multi-Tab Browser & Instant Previews

Dynamic Multi-Tab Management: Open tabs for disparate drives, network shares, and deep folder paths. Features drag-and-drop tab reordering, tab closing with middle-click or keyboard shortcut, and state persistence between sessions.
Breadcrumb & Path Navigator: Direct path bar editing with auto-completion alongside interactive breadcrumb buttons for effortless parent directory traversal.
Sortable Detailed File List: High-performance Qt table view with sorting across Name, Extension, File Size, Modification Date, and Type.
Integrated Sidebar: Quick access to System Drives, Pinned Bookmarks, Common Directories (Desktop, Documents, Downloads), and configured Application Launchers.
Instant Document Inspection: PyMuPDF integration renders PDF pages with zero latency; image files preview inline; syntax highlighter handles source code; pandas and openpyxl provide tabular views for Excel and CSV.

8. SQLite FTS5 Full-Text Search & Duplicate Elimination

Sub-Second FTS5 Full-Text Indexing:
- Tokenized virtual SQLite tables utilizing Write-Ahead Logging (WAL) mode for maximum concurrency.
- Search both filenames and file contents simultaneously with prefix, phrase, and wildcard support.
- Background asynchronous indexing via dedicated SearchWorker threads with zero UI freezing.
Byte-Exact Duplicate Elimination:
- Fast size-grouping pre-filter instantly eliminates non-duplicate files without expensive disk reads.
- Two-stage block hashing: rapid MD5 header hashing followed by full SHA-256 checksum verification.
- Interactive duplicate review dialog with side-by-side comparison, auto-selection rules, and OS Recycle Bin safety.

9. Visual Showcase Gallery

Main Multi-Tab Explorer & Preview	Advanced FTS5 Content Search

Multi-tab file browsing with tree navigation, favorites, status bar and inline preview.	Instant search filtering by name, content, file extension, and modification dates.

Hash-Based Duplicate Finder	Folder Synchronization Engine

Side-by-side duplicate candidate grouping with preview and safe batch deletion.	Folder mirror and differential sync with pattern-based exclusions and safety logs.

10. Installation & Dependencies

Prerequisites

Python 3.10, 3.11, or 3.12
Operating System: Windows 10/11, Linux (Ubuntu, Debian, Fedora, Arch), or macOS (12+)

Clone and Setup Environment

# 1. Clone the repository
git clone https://github.com/file-bricks/ExplorerPro.git
cd ExplorerPro

# 2. Create and activate a virtual environment
python -m venv .venv

# On Windows:
.venv\Scripts\activate

# On Linux / macOS:
source .venv/bin/activate

# 3. Install production dependencies
pip install -r requirements.txt

Launch ExplorerPro

# Direct launch via Python:
python src/main.py

# Windows standalone launcher script:
START_ExplorerPro.bat

11. Integrated Quick Editor & Sync Engine

Integrated Quick Editor (QuickEditor):
- Embedded syntax highlighting for Python, C/C++, JSON, XML, YAML, and Markdown.
- Line numbers, indentation guides, find/replace toolbar, and automatic UTF-8 fallback encoding safeguards.
- Edit scripts, notes, or configuration files in-place without spawning external editors.
Folder Synchronization (SyncPanel):
- One-way mirror and bidirectional synchronization options.
- Differential dry-run preview comparing timestamps and file sizes before execution.
- Regex-based exclusion filters for .git, __pycache__, .venv, and node modules.
Batch Renamer & File Diff:
- Multi-rule batch renaming with numbering, regex replacement, and conflict detection.
- Line-by-line visual difference inspector (DiffDialog) for text and code comparison.

12. Universal 6-Language Localization

ExplorerPro includes built-in, native translations for 6 international languages:

Deutsch (de) — Deutsche Benutzeroberfläche und Meldungen
English (en) — Primary international reference language
Español (es) — Spanish user interface
中文 (zh) — Simplified Chinese localization
日本語 (ja) — Japanese localization
Русский (ru) — Russian localization

Language preference can be switched dynamically in Settings -> General without requiring application restart.

13. Keyboard Shortcuts & Power Controls

ExplorerPro provides comprehensive keyboard control designed for high-efficiency navigation:

Shortcut	Context	Action
`Ctrl` + `N`	Global	Open a new ExplorerPro window
`Ctrl` + `T`	Browser	Open a new directory tab
`Ctrl` + `W`	Browser	Close active directory tab
`Ctrl` + `Tab`	Browser	Cycle through open directory tabs
`Ctrl` + `F`	Global	Focus search bar and trigger FTS5 search
`F2`	Browser	Rename selected file or folder
`Delete`	Browser	Delete selected items (with confirmation dialog)
`Ctrl` + `C`	Browser	Copy selected files/folders to clipboard
`Ctrl` + `V`	Browser	Paste files from clipboard (with collision-free auto-suffix)
`Ctrl` + `Shift` + `N`	Browser	Create a new folder in current directory
`Ctrl` + `Shift` + `T`	Browser	Create a new blank text file
`Ctrl` + `M`	Browser	Open batch rename dialog for selected items
`F5`	Global	Refresh current directory listing and file preview
`Alt` + `Left`	Browser	Navigate back in folder history
`Alt` + `Right`	Browser	Navigate forward in folder history
`Alt` + `Up`	Browser	Navigate up to parent directory
`Ctrl` + `,`	Global	Open application settings dialog (5 Tabs)
`Ctrl` + `Q`	Global	Safely exit application

14. Workspace Management & Redacted Export

ExplorerPro supports portable workspace interchange governed by the explorerpro-workspace-v1 specification:

Sanitized JSON Schema: Export settings, open tabs, bookmarks, and layout preferences without private credentials or internal file paths.
Safe Multi-Device Sharing: Export configuration profiles for team onboarding or multi-workstation sync without risk of data leakage.
Contract Reference: Full specification details and JSON schemas are maintained in EXPORTFORMAT.md.

15. Microsoft Store & Packaging

ExplorerPro is actively published in the Microsoft Store under package identity Geiger.ExplorerPro (Store ID: 9P0X52WSHZ3Q).

To run the local Store Readiness preflight audit:

# Run store readiness validation (icons, manifests, screenshot sets):
python scripts/check_store_readiness.py

# Regenerate high-resolution redacted store screenshots:
python generate_store_screenshots.py

Store documentation:

STORE_LISTING.md — Official Store listing copy and localized descriptions.
WINDOWS_STORE_PREP.md — MSIX packaging procedure and manifest layout.
SUPPORT.md — Support contacts and issue handling.

16. Testing & Quality Gates

Last verified on 2026-09-26: 350+ automated Python tests passed (100% green).

# Run full automated test suite:
python -m pytest -ra -v

# Run bytecode compilation across all modules:
python -m compileall -q .

# Run static linting and code hygiene:
python -m ruff check .

# Run cross-platform desktop smoke test:
python tests/source_platform_smoke.py

# Verify i18n translation coverage across 6 languages:
python manage_translations.py .

CI Matrix Status

Every commit and pull request is automatically verified via GitHub Actions CI across:

Operating Systems: windows-latest, ubuntu-latest, macos-latest
Python Versions: 3.10, 3.11, 3.12
Quality Gates: compileall, ruff check ., pytest offscreen suite, and source_platform_smoke.py.

17. Third-Party Licenses & Transparency

ExplorerPro is open-source software licensed under the GNU Affero General Public License v3 (AGPL-3.0). See the LICENSE file for complete terms.

ExplorerPro strictly relies on proven, compatible open-source libraries. A comprehensive audit of all direct, optional, and build dependencies is documented in THIRD_PARTY_LICENSES.md and THIRD_PARTY_LICENSES.txt:

PySide6 (Qt 6): LGPL-3.0-only (Dynamically linked shared libraries; unmodified Qt runtime binaries)
PyMuPDF (fitz): AGPL-3.0-only / Commercial (Full copyleft license alignment with ExplorerPro)
pandas: BSD-3-Clause (Tabular data processing & spreadsheet inspection)
openpyxl: MIT (Excel workbook parsing)
PyInstaller: GPL-2.0-or-later with packaging exception (Build-time standalone packaging)
pytest / ruff / setuptools: MIT / Apache-2.0 (Testing and code hygiene toolchain)

Strategic marketing plans, search queries, and audience personas are tracked in MARKETING-LOG.txt.

18. Security Policy & Sibling Ecosystem

ExplorerPro is part of the open-bricks open-source software family and collaborates seamlessly with related desktop tools, file processors, and MCP infrastructure. For vulnerability reporting, consult SECURITY.md (committed 48-hour response / 5-day triage SLA).

Sibling Ecosystem Matrix

Repository	Organization	Domain / Focus	Parity & Integration
ProFiler	`file-bricks`	Batch file metadata analysis & categorizer	Companion file categorization engine
ProSync	`file-bricks`	High-performance folder synchronization	Standalone enterprise folder synchronization
SQLiteViewer	`file-bricks`	Visual SQLite database inspector	Direct inspector for ExplorerPro FTS5 search databases
SoftwareCenter	`file-bricks`	Local desktop software inventory & launcher	Ecosystem launcher and updater hub
CloudLockFixer	`file-bricks`	Windows cloud lock & sync status repair	Unlocks stuck OneDrive/Nextcloud files
WinStorePackager	`file-bricks`	Automated MSIX store packaging & WACK tooling	Toolchain packaging generator for Store releases
DokuZen	`doc-bricks`	Document management & destructive redaction	Companion for advanced OCR & permanent document redaction
FormularErstellen	`doc-bricks`	Dynamic form creation & PDF document generation	Standardized PDF forms generator
CleanMarkdown	`doc-bricks`	High-fidelity markdown sanitization & formatting	Formats documents previewed in ExplorerPro
PDFtoPDFocr	`doc-bricks`	Searchable PDF OCR conversion	Converts scanned PDFs for ExplorerPro FTS5 indexing
FAST_PDFSchwaerzerPro	`doc-bricks`	Secure PDF redaction and blacking	Permanent blacking and sanitization of confidential files
CodeBox	`dev-bricks`	Multi-language code editor & IDE	Standalone developer IDE for complex programming
DevCenter	`dev-bricks`	Developer utility workbench & converters	Formats and converts files for quick inspection
MethodenAnalyser	`dev-bricks`	Static code analysis & metrics engine	Inspects complexity of codebases found in ExplorerPro
automizer-for-claude-desktop	`dev-bricks`	Desktop task queuing & automator	Desktop agent integration and workflow automation
ellmos-controlcenter-mcp	`ellmos-ai`	Model Context Protocol gateway & routing	MCP gateway integration for AI tooling
open-bricks	`open-bricks`	Umbrella repository & catalog	Central umbrella portal for all open-source tools

Statutory Disclaimer / Haftungsausschluss [§ 521 BGB Gefälligkeitsrecht] & Security Response SLA

Dieses Projekt wird unentgeltlich als Open-Source-Software bereitgestellt [§ 521 BGB Gefälligkeitsrecht]. Die Haftung des Autors und der Mitwirkenden ist auf Vorsatz und grobe Fahrlässigkeit beschränkt. Es besteht kein Anspruch auf Gewährleistung, Funktionsgarantie oder Schadensersatz bei Datenverlust. Die Nutzung erfolgt auf eigenes Risiko.

This project is provided free of charge as open-source software under statutory gratuitous terms [§ 521 BGB]. Liability is strictly limited to intent and gross negligence. No warranty, maintenance guarantee, or fitness for a particular purpose is assumed. Use at your own risk.

Security vulnerability inquiries and reports are handled with a committed 48-hour response SLA and 5-day initial triage window as defined in SECURITY.md.

Name		Name	Last commit message	Last commit date
.github		.github
README/screenshots		README/screenshots
_sources		_sources
assets		assets
locales		locales
mobile_icons		mobile_icons
scripts		scripts
src		src
store_assets		store_assets
tests		tests
.gitignore		.gitignore
AGENTS.md		AGENTS.md
ARCHITEKTUR.md		ARCHITEKTUR.md
CHANGELOG.md		CHANGELOG.md
CLAUDE.md		CLAUDE.md
CODE_OF_CONDUCT.md		CODE_OF_CONDUCT.md
CONTRIBUTING.md		CONTRIBUTING.md
DesktopIcon.ico		DesktopIcon.ico
DesktopIcon.png		DesktopIcon.png
EXPORTFORMAT.md		EXPORTFORMAT.md
ExplorerPro.ico		ExplorerPro.ico
ExplorerPro.spec		ExplorerPro.spec
LICENSE		LICENSE
MARKETING-LOG.txt		MARKETING-LOG.txt
NOTICE		NOTICE
PORTIERUNGSPLAN.md		PORTIERUNGSPLAN.md
PRIVACY_POLICY.md		PRIVACY_POLICY.md
README.md		README.md
README_de.md		README_de.md
ROADMAP.md		ROADMAP.md
SECURITY.md		SECURITY.md
START_ExplorerPro.bat		START_ExplorerPro.bat
STORE_ISSUES.md		STORE_ISSUES.md
STORE_LISTING.md		STORE_LISTING.md
SUITE_EXPLORERPRO_TEMPLATE.md		SUITE_EXPLORERPRO_TEMPLATE.md
SUPPORT.md		SUPPORT.md
THIRD_PARTY_LICENSES.md		THIRD_PARTY_LICENSES.md
THIRD_PARTY_LICENSES.txt		THIRD_PARTY_LICENSES.txt
WINDOWS_STORE_PREP.md		WINDOWS_STORE_PREP.md
build_exe.bat		build_exe.bat
generate_store_screenshots.py		generate_store_screenshots.py
icon.ico		icon.ico
icon.png		icon.png
llms.txt		llms.txt
manage_translations.py		manage_translations.py
pyproject.toml		pyproject.toml
pytest.ini		pytest.ini
requirements.txt		requirements.txt
store_package.json		store_package.json
translator.py		translator.py

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ExplorerPro Suite

Quick Navigation

1. Features & Core Capabilities

2. System Architecture & Data Flow

Four-View Architectural Topology Overview

3. Target Personas & Discoverability

Target Personas

High-Intent Search Queries

4. Comparative Matrix vs. Alternatives

5. Dual Mermaid Diagrams

System Architecture Topology (flowchart TD)

End-to-End Processing Lifecycle (sequenceDiagram)

6. Governance & Runtime Invariants

7. Multi-Tab Browser & Instant Previews

8. SQLite FTS5 Full-Text Search & Duplicate Elimination

9. Visual Showcase Gallery

10. Installation & Dependencies

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Clone and Setup Environment

Launch ExplorerPro

11. Integrated Quick Editor & Sync Engine

12. Universal 6-Language Localization

13. Keyboard Shortcuts & Power Controls

14. Workspace Management & Redacted Export

15. Microsoft Store & Packaging

16. Testing & Quality Gates

CI Matrix Status

17. Third-Party Licenses & Transparency

18. Security Policy & Sibling Ecosystem

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