FILECRYPTOR LITE v1.0.0 is a lightweight desktop application designed for secure file encryption and decryption using password-based protection. It allows users to quickly encrypt multiple files into secure .enc format and decrypt them back using the correct password.
Built with a modern Tkinter + ttkbootstrap interface, FILECRYPTOR LITE focuses on simplicity, speed, and offline security. It uses strong cryptographic standards including PBKDF2 key derivation and Fernet symmetric encryption to ensure data safety.
Download the latest Windows executable from:
- No Python installation required
- Standalone Windows executable
- Fully offline encryption/decryption
- Lightweight and fast performance
- Simple drag & batch workflow
CORE CAPABILITIES
- 🔒 AES-grade symmetric encryption using Fernet
- 🔑 Password-protected file encryption
- 📂 Batch file encryption and decryption
- ⚡ Fast processing with real-time progress tracking
- 🧠 Secure key derivation using PBKDF2HMAC (SHA-256)
- 🧂 Unique salt generation per file for maximum security
- 🗂 Multiple file selection support
- 🧹 Clear session and reset workflow
- 💻 Fully offline operation (no internet required)
- 📊 Activity log system for all operations
ENCRYPTION DETAILS
- PBKDF2HMAC key derivation (390,000 iterations)
- SHA-256 hashing algorithm
- 16-byte random salt per file
- Fernet symmetric encryption (AES-based)
- Secure password validation dialog
- Protection against invalid token decryption
FILE HANDLING
- Supports encryption of any file type
- Output format:
.enc - Automatic restore naming during decryption
- Handles multiple file processing safely
- Skips corrupted or invalid encrypted files
- Continues batch processing even on errors
USER INTERFACE
- Modern ttkbootstrap UI (Flatly theme)
- Clean file selection panel
- Drag-and-drop ready architecture (TkinterDnD)
- Password confirmation dialog
- Real-time progress bar
- Live activity log system
- Simple Encrypt / Decrypt workflow buttons
- About window with app details and links
-
Select Files
Click "Select Files" to choose one or more files for processing. -
Choose Action
- Click "Encrypt" to secure files
- Click "Decrypt" to restore files
-
Set Password
Enter and confirm a secure password in the dialog box. -
Processing
The app will encrypt/decrypt files and display progress in real time. -
Output
- Encrypted files are saved as
.enc - Decrypted files are restored automatically or saved with
.restore
FILECRYPTOR LITE ensures strong protection through:
- Unique salt per file encryption
- Strong PBKDF2 key stretching
- Industry-standard Fernet encryption layer
- Password-based key generation
- Protection against wrong password decryption (InvalidToken handling)
- No data transmission (fully offline)
- Detects invalid or corrupted encrypted files
- Handles incorrect password attempts safely
- Continues batch processing even if a file fails
- Prevents crashes from unsupported file structures
- Displays detailed logs for debugging and tracking
- Safe overwrite handling for output files
FILECRYPTOR LITE is ideal for:
- Securing personal documents
- Encrypting sensitive project files
- Protecting backups before storage or sharing
- Lightweight offline file security tasks
- Batch encryption workflows for developers
- Portable encryption utility for USB drives
Upgrade to FILECRYPTOR PRO for advanced security features:
- Advanced encryption algorithms (multi-layer encryption)
- Secure password vault integration
- Cloud-safe encrypted backup system
- File shredding (secure delete)
- Folder-level encryption
- Automated encryption pipelines
- Key management system
- Enterprise-grade security controls
Website:
FILECRYPTOR LITE is developed by Mate Technologies, focused on building lightweight, offline desktop tools for security, productivity, and automation workflows.
Website:
© 2026 Mate Technologies
All rights reserved.
FILECRYPTOR LITE is distributed as commercial software.
License terms:
- Personal and commercial usage allowed
- Redistribution or resale as a competing product is prohibited
- Repackaging or rebranding for resale is prohibited
- Source modification allowed for internal/private use
- Compiled executable usage permitted under license
For commercial licensing or enterprise deployment, contact the developer.

