Locks, keys, shields, fingerprints, passwords and privacy toggles for sign-in, permissions and settings screens.
About security icons
Lock and unlock pairs should come from the same collection so the shackle position is the only difference. Shield icons with a check mark are the clearest way to show “verified” or “protected”.
Common icons in this category
By collection
- Tabler Icons 119 · MIT
- Lucide 69 · ISC (portions MIT, from Feather)
- Phosphor Icons 144 · MIT
- Material Symbols 390 · Apache-2.0
- Bootstrap Icons 43 · MIT
- Iconoir 61 · MIT
- Ionicons 30 · MIT
- Heroicons 20 · MIT
Styles: Outline 398 · Filled 242 · Duotone 24 · Thin 24 · Light 24 · Bold 24 · Rounded 78 · Sharp 62
Styles, formats and licenses
Use the Style filter above to switch between outline, filled, duotone, thin and more. Keep one collection per product so stroke width and corner radius match.
Pick an icon to open its panel: Download SVG for websites and apps (sharp at any size, recolour with CSS via currentColor), Download PNG for slides, documents and email (16–1024 px, transparent background), or Copy SVG to paste code directly. No sign-up.
All icons are free for personal and commercial use under MIT, ISC (portions MIT, from Feather), Apache-2.0. Each download carries a comment naming its source and license; see the license notices.