refern. VS Code Diagram

• Infinite Canvas
  Arrange references on an infinite spatial canvas with layers, text, and groups.
• Canvas Drawing & Shapes
  Freehand pen with pressure, eraser, 9 shape tools, and color swatches.
• In-App Image Cropping
  Crop images in place or save as a new copy, with crop provenance tracked.
• Image Filters
  Adjust brightness, contrast, saturation, and hue on images and canvas elements.
• Never Copies Your Files
  References images from your own folders. No proprietary library, no doubled disk.
• Relationship Graph View
  Navigate your library as a graph of folders, tags, canvases, and linked images.
• Visual Similarity Search
  Find similar images locally with a built-in feature vector. No uploads, no API cost.
• Color Search
  Search your library by hex code or dominant color with fast local scoring.
• Operator Search
  Full-text search with 16 inline operators like type:, tag:, rating:>=3, and color:.
• Hierarchical Tags
  Parent-child hierarchies, tag groups, linked tags, and macros for bulk tagging.
• Smart Folders
  Saved multi-condition searches that stay up to date automatically.
• Image Grouping
  Stack related references into groups shown as fan cards in the grid.
• Cross-References & Backlinks
  Link any asset to any other and see backlinks across folders and canvases.
• Grid Layout Modes
  Masonry, justified, and horizontal layouts, set globally or per folder.
• Duplicate Detection
  Find duplicate images by perceptual hash with an is:duplicate query.
• Metadata Management
  Rating, color labels, description, notes, source URL, creator, and custom fields.
• Directory Metadata Presets
  Auto-apply tags and metadata when files are added to a folder.
• EXIF / IPTC / XMP Import
  Read embedded tags and ratings from images for DAM interoperability.
• Import Staging
  Drag, drop, or paste images into a staging area with metadata pre-fill and dedup.
• Browser Extension
  Save images from the web with hover buttons and batch save (Chrome, Firefox, Safari).
• Eagle Import
  Migrate an existing Eagle library into refern.
• Disk Sync
  Detect external file changes and reconcile your library with what is on disk.
• Timed Study Mode
  Full-screen reference practice sessions with configurable duration and count.
• Pin Window On Top
  Always-on-top mode keeps references visible while you work.
• Window Transparency
  Adjustable window opacity for overlay reference.
• Click-Through Mode
  Interact with apps beneath the transparent window.
• Desktop Screenshot Tool
  Capture your screen directly into your library.
• Scales to Millions of Images
  Streaming indexer handles 2M+ file libraries with bounded memory.
• RAW & HEIC Support
  Decodes camera RAW, HEIC, SVG, and standard image formats into thumbnails.
• Directory Customization
  Custom folder icons, cover images, and backgrounds in the tree and grid.
• Local-First & Private
  Works fully offline. No account, no telemetry. Files stay on your disk.

• Visual Code Understanding
  Code Diagram helps developers visualize their codebase through auto-generated diagrams, making it easier to understand complex code structures, relationships, and architecture at a glance.
• IDE Integration
  The tool integrates directly with popular development environments like VS Code, allowing developers to create and view diagrams without leaving their coding workflow.
• Automatic Diagram Generation
  Code Diagram can automatically generate diagrams from existing code, saving significant time compared to manually creating and maintaining architecture documentation.
• Improved Documentation
  By providing visual representations of code structure, it helps teams maintain up-to-date documentation that is easier to share and understand, improving collaboration among team members.
• Support for Multiple Diagram Types
  The tool supports various diagram types such as class diagrams, sequence diagrams, and dependency graphs, giving developers flexibility in how they visualize different aspects of their codebase.

Possible disadvantages

• Limited Language Support
  Code Diagram may not support all programming languages equally, potentially leaving developers working in less popular or niche languages without full functionality.
• Learning Curve
  Despite being visual, users may still need time to learn how to effectively use the tool, configure diagram settings, and interpret the generated visualizations properly.
• Performance with Large Codebases
  Generating diagrams for very large or complex codebases can be slow or produce cluttered, hard-to-read visualizations that require significant manual adjustment.
• Limited Free Tier
  The tool may have restrictions on its free plan, requiring a paid subscription to access advanced features, which can be a barrier for individual developers or small teams on tight budgets.
• Diagram Customization Constraints
  Auto-generated diagrams may not always match the exact layout or style preferences of users, and customization options may be limited compared to dedicated diagramming tools like draw.io or Lucidchart.