Brand
The picture people see when a Particle link is shared, and the icon in the browser tab.
Social share image
Shown in link previews. Best at 1200 × 630 pixels, JPG or PNG.
Not set
Favicon
The browser tab icon. A square PNG, SVG or ICO — 64 × 64 pixels or larger.
Not set
How these are used
The share image is what appears when someone pastes a Particle link into a message, email or social post. The icon is the little square in the browser tab and in bookmarks.
Each has its own Save and applies straight away. Messaging apps cache previews, so a link shared before the change may keep showing the old image for a while.
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