Typewriter Text

Text that animates itself character by character using a CSS steps() width animation on a monospace element. A blinking cursor is included by default. Useful for hero hooks, slide reveals, and LLM demo showcases. No JavaScript required.

Surfaces
webmeet-stagegas-sidebarapps-script-web
Degraded on
SurfaceNote
pdfRenders as fully-visible static text without animation
googlechatCSS animation not supported; renders as plain text
Fields
FieldType
textstring. The text to type out.required
sizestring. Font size e.g. "32px". Default "28px".optional
weightstring. Font weight e.g. "700". Default "700".optional
colorstring. Text colour. Default "#1a1a1a".optional
speed"slow" | "normal" | "fast" (optional, default "normal")optional
cursorbool. Show blinking cursor. Default true.optional
delaystring. CSS delay before typing starts. Default "0s".optional
Example payload
{
  "type": "typewriter_text",
  "text": "A concise description of the content."
}
ARD catalog entry
{
  "identifier": "urn:air:a2uicatalog.ai:atom:typewriter_text",
  "displayName": "Typewriter Text",
  "type": "application/vnd.a2ui.atom+json",
  "url": "https://a2uicatalog.ai/atoms/typewriter_text",
  "capabilities": [
    "web",
    "meet-stage",
    "gas-sidebar",
    "apps-script-web"
  ],
  "description": "Text that animates itself character by character using a CSS steps() width animation on a monospace element. A blinking cursor is included by default. Useful for hero hooks, slide reveals, and LLM demo showcases. No JavaScript required.",
  "representativeQueries": [
    "show a CSS typewriter animation that reveals text character by character",
    "text that animates itself character by character using a css steps() width animation on a monospace",
    "render a typewriter text"
  ]
}
← Full ARD catalog Try it live →
Deploy your own renderer

The renderer is open source. Deploy your own instance in 4 commands — you own the URL, no dependency on the demo endpoint.

git clone https://github.com/a2uicatalog/a2ui
cd apps-script-surface/gas-schema-renderer
clasp push && clasp deploy
Full deploy guide →