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Note
titleImage Size Limits

Typically, images up to 13 inches wide are displayed without causing the horizontal scroll bar to appear when the browser is full-screen. Wider images make scrolling necessary and may cause the page, the wiki markup, or both, to be displayed improperly so that lines no longer wrap.

You can attach images at any size and change the display size in Confluence. Thus, you can use the original image capture which provides the best resolution with the least loss of data. Try specifying the width only, in even increments calculated based on 72 pixels per inch:

  • Image Width in Inches = 13, Width in Pixels = 936
  • Image Width in Inches = 12, Width in Pixels = 864
  • Image Width in Inches = 11, Width in Pixels = 792
  • Image Width in Inches = 10, Width in Pixels = 720
  • Image Width in Inches = 9, Width in Pixels = 648
  • Image Width in Inches = 8, Width in Pixels = 576
    If you need to re-size your image, you can follow the steps in this tip.

To insert an image on a page:

...

Info
titleHTML image attributes supported in Confluence 2.8
  • align — 'left', 'right', 'bottom', 'center', 'top'.
  • border — width of the border (in pixels).
  • bordercolor — specify the color of the image border created with the "border" tab by name or by hex value.
  • hspace — amount of whitespace to be inserted to the left and right of the image (in pixels).
  • vspace — amount of whitespace to be inserted above and below the image (in pixels).
  • width — width of the image (in pixels). Supersedes natural width of the image.
  • height — height of the image (in pixels). Supersedes the natural height of the image.
  • title — descriptive text for the image, which is displayed when the pointer hovers over the image
  • alt — alternative text, which is included in the HTML code. This text is retrievable via search, and contributes to accessibility of the page for text-only viewing.
Info
titleImage Size

You can attach images at any size and change the display size in Confluence. Thus, you can use the original image capture which provides the best resolution with the least loss of data. Try specifying the width only, in even increments calculated based on 72 pixels per inch:

  • Image Width in Inches = 13,  Width in Pixels = 936
  • 12, 864
  • 11, 792
  • 10, 720
  • 9, 648
  • 8, 576

Source for Confluence information: http://confluence.atlassian.com/display/DOC/Displaying+an+Image May 16, 2008