Players
Free: 8 players per game. Pro: 1,000 players per game. The host does not count as a player.
AI
3 to 20 questions per generation. Free: AI quiz generation within a monthly fair-use allowance. Pro (personal and organization): monthly generation that feels unlimited, within fair use. A generation in Advanced quality counts more than a Quick one.
AI PDF
PDF only, up to 15 MB, reading the first 100 pages. The AI works from roughly the first 30,000 characters of the extracted text (a few pages). Scanned PDFs may fail if text cannot be extracted.
Images
PNG, JPG, WebP, or GIF, up to 5 MB. Upload from your computer, or pick from the built-in image library for any image slot.
Audio and video
Audio files up to 20 MB and video files up to 30 MB. A question can use an excerpt of up to 120 seconds.
Content
Title: 120 characters. Description: 500. Question: 300. Answer: 120. Open answer: 280. Explanation: 300.
Questions
2 to 6 answers for option-based questions. Answer time: 0 to 120 seconds.
Slides
Safe formatted rich text, up to 8 content images, plus one background image.
Participation
6-digit game PIN. Player nickname limited to 20 characters. Self-paced: first and last name, 40 characters each, and a 4-digit code.
Whiteboards
Free: 4 simultaneous participants (8 in a session). Pro: up to 1,000. Up to 4,000 shapes and 250 MB of media per whiteboard.