BEFORE HELLO

Connection & upload test · Cloudflare

Use this page without a proxy. Uploads go to the existing activity and remain there. This is a connectivity test, not a mainland-hosted service.

Activity invitation link or room

Guest

NicknameOne current card per browser identity. A new upload replaces your card.

Host sign in · authorized administrators only

EmailVerification code

Upload one image

PNG / JPG / WebP · maximum 25 MiB. Original preserved; lossless PNG preview keeps its aspect ratio and the existing 3200px limit. PDF is not part of this small test.

Not connected.