Customizing Thumbor

• Custom Storages
• Custom Image Loaders
• Custom Result Storages
• Custom Filters
  • Available Filter Argument Types
• Custom Engines
• Custom detection
  • Creating a Custom Detector
• Custom Image Optimizers
• Custom Error Handlers
• Custom Handler Lists
  • Built-in Handler Lists
  • Writing a new Handler List
• Plugins
  • Storages
  • Metrics
  • Extensions
  • Engines
• Libraries
  • Available Libraries
  • Implementing a library
  • Library Tests - Generating HMAC of the URLs
  • Library Tests - Scenarios
  • More Information