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Highlights vs ImageOptim

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

Highlights icon
Highlights
ImageOptim icon
ImageOptim

Highlights vs ImageOptim: The Verdict

⚡ Summary:

Highlights: Highlights is a PDF annotation and note taking app for Windows, Mac, iOS and Android. It allows users to highlight, underline, strikethrough, add text notes, shapes and freehand drawings to PDF documents. Key features include organization of annotations by color category and easy export of notes.

ImageOptim: ImageOptim is a free app that losslessly optimizes images by removing extra metadata and making compression more efficient. It works with common image formats like JPG, PNG, GIF, and SVG.

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 Highlights ImageOptim
Sugggest Score — —
Category Office & Productivity Photos & Graphics
Pricing — Open Source

Product Overview

Highlights
Highlights

Description: Highlights is a PDF annotation and note taking app for Windows, Mac, iOS and Android. It allows users to highlight, underline, strikethrough, add text notes, shapes and freehand drawings to PDF documents. Key features include organization of annotations by color category and easy export of notes.

Type: software

ImageOptim
ImageOptim

Description: ImageOptim is a free app that losslessly optimizes images by removing extra metadata and making compression more efficient. It works with common image formats like JPG, PNG, GIF, and SVG.

Type: software

Pricing: Open Source

Key Features Comparison

Highlights
Highlights Features
  • Highlight text
  • Add text notes
  • Draw shapes
  • Strikethrough text
  • Organize annotations by color
  • Export notes
ImageOptim
ImageOptim Features
  • Lossless image optimization
  • Removes EXIF metadata
  • Supports PNG, JPG, GIF and SVG formats
  • Drag-and-drop interface
  • Command line interface
  • Batch optimization
  • Integrates with macOS Finder

Pros & Cons Analysis

Highlights
Highlights
Pros
  • Intuitive interface
  • Available on multiple platforms
  • Useful annotation tools
  • Syncs annotations across devices
Cons
  • Limited free version
  • No OCR text search
  • No collaboration features
ImageOptim
ImageOptim
Pros
  • Free and open source
  • Simple and easy to use
  • Significantly reduces image file sizes
  • Retains full image quality
  • Works offline
Cons
  • Mac only
  • Limited to basic optimization
  • No advanced editing features

Pricing Comparison

Highlights
Highlights
  • Not listed
ImageOptim
ImageOptim
  • Open Source

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Highlights
Highlights
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ImageOptim
ImageOptim
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