Width or Height is set to 500 but the image sizes itself automatically

What you are seeing

Width or Height is set to 500 but the image sizes itself automatically


#Why it happens

500 was a legacy sentinel meaning 'auto-size', so a macro saved with 500 behaves as if the field were blank.


#What to do

Use 499 or 501 if you genuinely need roughly that size, or set the other dimension instead.


#Settings involved

Setting

Where

What it does

Global settings → Capabilities

Confluence admin → Apps → Capable → Settings → Capabilities

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Global settings → Asset access (Permissi

Capable settings → Asset access

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Global settings → Egress

Capable settings → Egress

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#Limits that apply here

Limit

Value

What happens

Upload. Drag and drop accepted extensions.

Bmp, gif, ico, jfif, jpeg, jpg, png, svg

Anything else raises 'Invalid file type. Only image files are allowed'.

General image compression target

5 MB and 2500 px on the longest side

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Editor / attachment-import fetch ceiling

3 MB

An attachment loaded for editing or importing into the library is capped at 3 MB of raw bytes. Larger files are auto-resized to PNG to fit; only if that still fails does it error 'Image too large for


#A few things that catch people out

  • Value 500 in Width or Height is ignored. It was a legacy sentinel meaning 'auto-size', so a macro saved with 500 behaves as if the field were blank.



Found it? Good.