Click Start. The page downloads sample images from R2 over and over. Watch the AWS S3 and Vercel Blob bills climb in real time. Watch R2 stay at zero — forever.
Ready
Scale factor:— each "tick" represents this many real downloads worldwide
Downloads simulated
0
requests
Bytes served
0 MB
cumulative
Elapsed time
0s
since start
AWS S3
$0.09 per GB egress
Bill so far
$0.0000
Rate: $0.09/GB · climbing
Vercel Blob
$0.15 per GB egress
Bill so far
$0.0000
Rate: $0.15/GB · climbing
Cloudflare R2
$0.00 per GB egress · forever
Bill so far
$0.0000
Rate: $0.00/GB · zero · forever
What just happened: we simulated 0 downloads — that's 0 MB of bandwidth. On AWS S3 you'd owe $0. On Vercel Blob you'd owe $0. On Cloudflare R2 you owe nothing. Multiply this by every customer, every visit, every file served — for the lifetime of your app.