Simple-Image-Converter

Simple Image Converter is a fast, high-performance, and 100% offline desktop application designed for secure and effortless batch conversion of images and documents.

Built with a focus on Privacy-by-Design, the application performs all operations locally. Your sensitive documents never leave your computer.

What's New in v1.5: "Secure & Multi-Format Edition"

Industrial-Grade Conversion: Powered by an optimized multi-core engine, Version 1.5 can process hundreds of files simultaneously. It now includes native support for XPS and OXPS documents, converting them into PDFs or images.

Advanced PDF & Image Tuning:

Smart PDF Compression: Choose from 4 optimization levels to reduce file size while maintaining readability.

Granular Quality Control: Fine-tune JPG and WEBP exports with different quality scales.

Hardened Security & Compliance (CWE Standards):

CWE-377 (Atomic Isolation): Secure handling of temporary buffers with restricted permissions to prevent data leakage.

CWE-209 & CWE-116: Automatic anonymization of system logs and HTML sanitization of the UI to ensure no sensitive metadata is exposed or exploited.

Key Features:

100% Private: No internet connection required. Guaranteed protection against data harvesting.

Multilingual Support: The application is available in 6 languages: English, French, German, Spanish, Italian, and Portuguese (BR).

Universal Format Support: Convert between PNG, JPG, WEBP, ICO, BMP, GIF, and TIFF.

SVG Specialist: Seamlessly transform vector SVG files into any standard raster format or PDF.

Multi-Page Intelligence: Automatically handles multi-page TIFF and GIF generation, or splits documents into individual page-per-file images.

How to Use:

Select Folders: Choose your source directory and your destination folder.

Pick Format: Select your target output format (e.g., PDF, PNG, WEBP).

Set Quality: Adjust compression levels if you are converting to PDF or lossy image formats.

Convert: Click "Convert Images" and follow the real-time progress bar.

Audit: Access the detailed app.log directly from the UI for full transparency of the operations performed.

⚠️ IMPORTANT: Accessing External Drives (USB / Secondary Drives)
By default, the strict security confinement prevents the app from reading your USB sticks or external hard drives. If your files are stored on removable media, you must grant access by running this command once in your terminal:

COMMAND:

sudo snap connect simple-image-converter:removable-media