Tools

A small kit of browser tools for realtime visuals, video, and live events. Everything runs locally — no sign-ups, no uploads.

• Aspect & Resolution
  Ratios, aspect-locked resizing, letterbox/pillarbox math.
• Pixelmap
  Numbered LED test pattern + alignment markers at exact resolution.
• Projector Throw
  Image size, throw distance, and screen brightness vs ambient.
• Bitrate / Size
  File size ↔ bitrate, plus a codec data-rate reference.