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Overlay2 vs ShareX

Professional comparison and analysis to help you choose the right software solution for your needs.

Overlay2 icon
Overlay2
ShareX icon
ShareX

Overlay2 vs ShareX: The Verdict

⚡ Summary:

Overlay2: Overlay2 is a storage driver for Docker that leverages the layering filesystem of UnionFS to enable image layers and containers to share files efficiently. It improves upon the older Overlay driver with enhanced performance and stability.

ShareX: ShareX is a free and open source screenshot and screen recording utility for Windows. It allows capturing screenshots, recording screen and uploading images/recordings to over 80 destinations. Key features include region capture, scrolling capture, video annotation, hotkey activation, image editing and sharing.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature Overlay2 ShareX
Sugggest Score — —
Category Os & Utilities Productivity
Pricing — Open Source

Product Overview

Overlay2
Overlay2

Description: Overlay2 is a storage driver for Docker that leverages the layering filesystem of UnionFS to enable image layers and containers to share files efficiently. It improves upon the older Overlay driver with enhanced performance and stability.

Type: software

ShareX
ShareX

Description: ShareX is a free and open source screenshot and screen recording utility for Windows. It allows capturing screenshots, recording screen and uploading images/recordings to over 80 destinations. Key features include region capture, scrolling capture, video annotation, hotkey activation, image editing and sharing.

Type: software

Pricing: Open Source

Key Features Comparison

Overlay2
Overlay2 Features
  • Union file system for layering Docker images
  • Efficient sharing of files between containers
  • Improved performance over older Overlay driver
  • More stable than previous storage drivers
  • Built-in garbage collection
ShareX
ShareX Features
  • Screen capture
  • Screen recording
  • Upload images/recordings to many destinations
  • Region capture
  • Scrolling capture
  • Video annotation
  • Hotkey activation
  • Basic image editing

Pros & Cons Analysis

Overlay2
Overlay2

Pros

  • Faster start up of containers
  • Lower storage space usage
  • Better disk I/O performance
  • More stable overlay mount
  • Easier cleanup of unused image layers

Cons

  • Increased memory usage
  • More complexity than other storage drivers
  • Not compatible with some filesystems like Btrfs
  • Still in experimental phase, not production-ready yet
ShareX
ShareX

Pros

  • Free and open source
  • Powerful capture and annotation tools
  • Many export/upload options
  • Lightweight and customizable
  • Active development and community support

Cons

  • Steep learning curve
  • Uploader lacks robust error handling
  • Limited to Windows platform
  • Basic editor lacks advanced features

Pricing Comparison

Overlay2
Overlay2
  • Not listed
ShareX
ShareX
  • Open Source

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Learn More About Each Product

Overlay2
Overlay2
Reviews, pricing & alternatives →
ShareX
ShareX
Reviews, pricing & alternatives →

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