Premium
Secret Key Reveal Field
A masked API key whose bullets flip on X into real characters left to right, led by an accent scan line. The eye opens its lid and a Copy chip slides in from the edge.
Also known as: api key reveal css, show secret key on hover, masked api key field, password reveal animation.
Secret keyLive
Created Oct 12 by Maya. Last used 2 minutes ago.
Premium
Unlock the HTML and CSS
Everything you see above is live. Basic and Pro include every premium piece, with the HTML and CSS ready to copy, plus the Tailwind version where there is one and Motions in Claude Code on Pro.
Customizing this snippet
- Color: set
--hfx-coloron the element or a parent. Currently previewing#3b82f6. - Base size: set
--hfx-size. Every other dimension is inem, so the whole thing scales together. Currently previewing16px. - Speed: change the duration on the
transitionoranimationshorthand. Staggered delays are relative, so they keep their rhythm. - Reduced motion: the rule at the end of the CSS turns the motion off for people who asked their OS for less of it. Keep it.