Open padlock symbol

An unshackled padlock indicating an unprotected state.

Everyday & digitalStandard profile

Meaning

A padlock with its shackle lifted clear on one side marks an unlocked or unprotected state — an unencrypted connection, or an item whose protection has been removed.

InformalCommon usage
Marks an unlocked or unprotected state; in a browser, a connection that is not encrypted.
Contexts: Software

Visual description

A squared body with an arch above it that meets the body on one side only, the other end of the arch standing clear.

Symmetry: none
Orientation: upright

Opposite of: Closed padlock symbol
Both are built from objects, and both are used in software contexts.

Confidence

IdentityHigh confidence: High confidence because the identity is documented in encyclopedic references.
Historical originModerate confidence: Moderate confidence because the historical origin is documented in encyclopedic references, but early or supporting evidence is limited, but the regional or cultural match to this specific claim is not precise.
Current useHigh confidence: High confidence because the current use is documented in encyclopedic references.
Visual matchHigh confidence: High confidence because the visual match is documented in encyclopedic references.

Sources

HTTPS
Wikipedia · retrieved 2026-08-01
Tertiary reference. Used for widely-agreed identity, origin and current use, not for contested detail or exact dates.
Padlock icon
Wikipedia · retrieved 2026-08-01
Tertiary reference. Used for widely-agreed identity, origin and current use, not for contested detail or exact dates.

Last reviewed 2026-08-01

Part of

Interface status indicators

Meaning

Visual description

Related & commonly confused symbols

Meaning

Visual description

Related & commonly confused symbols