Barber Walk-In Queue

Barber Walk-In Queue is an offline app (one HTML file in a zip) for the front desk or the owner of a barber shop. You add a ticket for each walk-in with the service they want and, if they ask for one, a barber. The ticket prints on a small slip with the customer's number for today and a guide to the wait. The board moves each customer along until they are done.

The problem it removes: Walk-in customers wait with no order, so arguments start about who came first, someone asks for a barber who is busy, and people give up and leave without anyone counting them. At the end of the day nobody can say how many were served, how many walked out or what each chair took. This app gives every customer a number and keeps the day's count.

What is inside:

• Ticket printed per customer with a day number that restarts every morning, the service, people ahead and an estimated wait
• Queue board with Waiting, Called, In chair, Done and Left columns for today, moved with one tap
• Chairs page showing who each barber is serving now, how many are waiting for that barber, and the count and takings so far today
• Rules that stop two customers in one chair and a customer put In chair or Done with no barber chosen
• End of day figures: customers served, walked out, takings, and arrivals by hour over the last 30 days to show your rush hours
• Example data you can load in one click, a Start here guide and an Honest limits panel
• JSON backup and restore, CSV export, and CSV import with a check of every row before anything is added

Who it is for: barber shops, men's salons and grooming lounges that serve walk-in customers with two to six chairs and want a fair, visible queue and a clear daily count without a booking system.

What it is NOT: It does not take bookings, send automatic messages, display a number on a screen, or know the time by itself: arrival times are typed. The wait estimate is the service minutes of the customers ahead divided by the barbers on duty, a guide and not a promise. It is not a payment or commission system. It is not legal, tax or accounting advice, it is not connected to any government system, bank or messaging service, and it does not file or send anything by itself. UAE e-invoicing is not part of it.

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Verified by us: scripted tests in Chromium (131 checks through the real screens: adding, editing and deleting records in every table, required-field messages, backup then clear then restore, CSV export then import, keyboard order, print layouts rendered to PDF, no horizontal scrolling at 375 and 1280 pixels, no network requests) and an independent recalculation by a separately written Python evaluator of 1310 calculated values (25 randomised rows plus the example data) with 0 mismatches. Safari engine (WebKit): smoke test passed; Firefox: could not be launched. Not tested: Firefox beyond what is stated here, and no real printer was used (print layouts were checked as PDF).