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Documentation Index

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The Image block lets you add images to your resources. Upload your own images, search Unsplash for free stock photos, or embed images from a URL. Images can be styled with borders, shadows, rounded corners, and various image adjustments.
Images from Unsplash are free to use and automatically include attribution. Uploaded images are stored securely in your Edzo account.

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When to use Image blocks

Image blocks work well for:
  • Adding visual context to explanations and instructions
  • Displaying diagrams, charts, and infographics
  • Showing real-world examples and photographs
  • Creating visually engaging resources
  • Supporting visual learners

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Adding images

You can add images from three sources:
  1. Upload: Upload images from your device (JPG, PNG, GIF, WebP)
  2. Unsplash: Search and embed free stock photos from Unsplash
  3. URL: Embed images from any public web address

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Settings

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Size and position

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Width
slider
default:"820"
The width of the image in pixels (100–820). The image scales proportionally.
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Alignment
select
default:"center"
The horizontal alignment of the image:
  • Left: Aligns the image to the left
  • Center: Centers the image
  • Right: Aligns the image to the right
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Aspect ratio
select
default:"original"
The aspect ratio of the image:
  • Original: Maintains the image’s original proportions
  • Square (1:1): Perfect square
  • 16:9 (Landscape): Widescreen format
  • 9:16 (Portrait): Tall portrait format
  • 4:3, 3:4, 3:2, 2:3, 5:4, 4:5, 5:3, 3:5: Various standard ratios
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Image padding
select
default:"none"
Padding around the image:
  • None: No padding
  • Small: Slight padding
  • Medium: Moderate padding
  • Large: Generous padding

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Appearance

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Rounded corners
switch
default:"true"
When enabled, the image has slightly rounded corners for a softer look.
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Show image border
switch
default:"false"
When enabled, displays a border around the image.
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Show drop shadow
switch
default:"false"
When enabled, adds a subtle shadow beneath the image for depth.
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Rotation
slider
default:"0"
Slight rotation of the image (-3 to 3 degrees). Useful for a casual, playful look.

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Caption

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Show caption
switch
default:"false"
When enabled, displays a caption below the image. You can edit the caption text directly.

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Image adjustments

Fine-tune the appearance of your image with these filters:
  • Brightness: Lighten or darken the image
  • Contrast: Increase or decrease contrast
  • Saturation: Adjust color intensity
  • Sepia: Apply a warm, vintage tone
  • Hue rotation: Shift colors around the color wheel
  • Blur: Apply a blur effect
  • Invert: Invert the image colors

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Tips for teachers and parents

Best practices:
  • Use high-quality images that are clear and relevant to the content
  • Add captions to explain what the image shows
  • Use consistent alignment throughout your resource
  • Consider accessibility; add meaningful alt text for screen readers
  • Avoid overly large images that slow down loading
  • Use image adjustments sparingly; subtle effects work best
  • For diagrams, use aspect ratio settings to ensure important details aren’t cropped