SimplyConvertFile

A powerful and comprehensive file conversion tool for Linux with a GTK 3 graphical interface.

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Overview

SimplyConvertFile supports 80+ formats across images, videos, audio, documents, spreadsheets, presentations, markup, data formats, and archives.

Originally developed as a Nemo file manager action (convert-file@thigschuch), now available as a standalone Linux application.

Whether you need to convert a single image to a different format or batch-process hundreds of media files, SimplyConvertFile handles it efficiently with real-time progress tracking and detailed error reporting.

Key Features

  • Single & Batch Conversion — Convert one file or process multiple files simultaneously with intelligent grouping and sequential processing
  • Smart Format Detection — Automatically detects file types and suggests contextually appropriate target formats
  • File Picker — Launch without arguments to select files via a native GTK file chooser
  • Real-time Progress Tracking — Visual progress bars with detailed status information and cancellation support
  • Comprehensive Error Handling — Detailed error reporting with expandable details, copy-to-clipboard, and GitHub issue reporting
  • Custom Conversion Rules — Define your own conversion templates with specific quality settings
  • Desktop Notifications — Configurable notification system with granular control over events
  • Cross-Format Conversion — Special rules for converting between format groups (e.g., video to audio, GIF to video)
  • Internationalization — Full gettext support with translations for 18 languages
  • Usage-Based Suggestions — Remembers your most-used conversions and pre-selects preferred formats

Quick Install 

# Via APT repository (recommended — auto-updates)
curl -fsSL https://thigschuch.github.io/SimplyConvertFile/gpg.key | sudo gpg --dearmor -o /usr/share/keyrings/simplyconvertfile.gpg
echo "deb [signed-by=/usr/share/keyrings/simplyconvertfile.gpg] https://thigschuch.github.io/SimplyConvertFile/ stable main" | sudo tee /etc/apt/sources.list.d/simplyconvertfile.list
sudo apt update && sudo apt install simplyconvertfile

See Installation for all install methods.

Quick Start 

# Open file picker
simplyconvertfile

# Convert a file
simplyconvertfile document.pdf

# Batch convert
simplyconvertfile *.heic

See Usage for detailed guides.