Skinner v1.2.0

Changes: added Chrome side panel mode while keeping popup mode; moved the sidebar opener to a top-left icon; refreshed sidebar context when navigating to card/grant pages; fixed the animated theme rendering; optimized card skinning and moved auto-backups out of sync storage; includes advanced theme controls, per-org themes, presets, random themes, theme-code sharing, custom editor controls, and reset tools.

Skinner v1.1.0

Changes: added built-in browser resizing/upscaling for uploaded custom images; removed the Freeze theme from the popup, injector, docs, and theme files; updated the extension manifest to 1.1.0; documented seven built-in themes; includes recent per-card themes, account-scoped settings, custom image URLs, export/import backups, and grant header theming.

Skinner v1.0

Skinner v1.0 released yay! xD

Customize your HCB card designs with overlay themes and custom images.

Features

Themes

• Glass — frosted glass blur with backdrop filter and dynamic text color (adapts to light/dark mode)
• Neon — vibrant green-to-purple gradient overlay
• Retro — CRT scanline effect with red/blue neon tones and glow text
• Gradient — animated purple-pink shifting gradient (smooth infinite loop)
• Holo — rainbow holographic shimmer with 5-color animation
• Minimal — clean dark background with subtle border, muted text
• Minecraft — pixelated grass-block grid with embossed border and monospace text
• Freeze — icy grayscale overlay with reduced opacity and frozen badge
• Custom Image — upload any image as card background with cover fit

Popup UI

• Visual 2-column theme grid with mini card previews
• Animated previews for Gradient and Holo themes
• Active theme highlighted with blue border
• Current theme auto-loaded on popup open
• Status bar with success/error indicators
• Upload custom image button with drag-and-drop file input
• Turn Off Overlays button to restore original cards

Theme Behavior

• Themes apply instantly without full page reload
• Switching themes clears leftover styles from previous theme
• Turn Off removes theme stylesheet and restores original card appearance
• Canceled/cancelled/deactivated cards are automatically excluded
• Custom image overrides theme background on themed cards

Supported Pages

• /my/cards — personal cards page
• /{organization}/cards — organization cards page
• /stripe_cards/{card_id} — individual card detail page

Safety & Performance

• Re-entrancy guard prevents MutationObserver feedback loops
• Debounced initialization with minimum interval throttling
• Only modifies cards matching .stripe-card.virtual.mt1 selector
• Dark/light mode text color adaptation for Glass theme
• Hides official HCB freeze UI elements when Freeze theme is active

Download the zip file from below and extract it and import it in your web browser