No RegretsThe booth referral draw
Codes,
machine-made.
Seven characters, no lookalikes, cryptographic randomness, guaranteed unique. Copy and paste into the register: never hand-type a code.
How many
Codes already in use · one per line or comma-separated · new codes will avoid these
0
Generated
0
Excluded
7
Characters
Alphabet ABCDEFGHJKMNPQRSTUVWXYZ · 23456789 · 0, O, 1, I and L excluded so nothing misreads over the phone
crypto.getRandomValues with rejection sampling · duplicates impossible within a run and against the exclusion list
Tap any code to copy it alone · Send to Sheet posts straight into the register spreadsheet via its Apps Script endpoint
crypto.getRandomValues with rejection sampling · duplicates impossible within a run and against the exclusion list
Tap any code to copy it alone · Send to Sheet posts straight into the register spreadsheet via its Apps Script endpoint