Local Lens is a high-performance, 100% private, offline desktop batch image converter for Windows. Process thousands of images in seconds without uploading a single pixel to the cloud.

⚡ Key Features:
• 100% Offline & Private: Zero cloud uploads or tracking. Your photos never leave your PC.
• Blazing-Fast Multi-Core Speed: Full hardware acceleration using multi-threaded PySide6/QThreadPool execution.
• Core Format Support: Read and export PNG, JPG, WEBP, BMP, TIFF, and GIF images.
• Flexible Batch Resizing: Scale by percentage, fit width/height, or set custom pixel dimensions with aspect ratio lock.
• Custom File Naming: Apply custom prefixes, suffixes, lowercase/uppercase transformations, and collision auto-renaming.
• Quality & Size Control: Fine-tune compression levels (1–100%) with live file size estimation.
• Metadata & Color Profiles: Retain camera EXIF tags, preserve ICC color profiles, convert to sRGB or Grayscale, and keep timestamps.

Supported OS: Windows 10 / Wi

Features

  • 100% Private & Offline - Zero cloud uploads, tracking, or accounts required
  • Multi-Core CPU Concurrency - Process thousands of images at maximum hardware speeds
  • Core Format Support - Read and export PNG, JPG, WEBP, BMP, TIFF, and GIF
  • Smart Batch Resizing - Scale %, fit to width/height, or set exact pixel dimensions
  • Flexible File Naming - Add custom prefixes, suffixes, case changes & collision auto-rename
  • Preservation Options - Maintain camera EXIF metadata tags and ICC color profiles
  • Color Profile Modes - Convert between sRGB, Grayscale, or keep original profile
  • Modern Visual Themes - Sleek Dark, Dim, and Light native PySide6 interfaces

Project Samples

Project Activity

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Categories

Image Converters

License

Creative Commons Attribution License, GNU Library or Lesser General Public License version 3.0 (LGPLv3)

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Additional Project Details

Operating Systems

Windows

Intended Audience

Advanced End Users, Architects, Developers, End Users/Desktop

Registered

2026-07-21