Boarding pass barcode decoder
Paste your boarding pass barcode and see every field it carries - name, booking reference, route, frequent flyer number. Decoded in your browser, nothing uploaded.
Paste the contents of your boarding pass barcode and see exactly what it hands over. The decoding happens in your browser. Nothing is uploaded anywhere, and not because we promise to be careful with it - there is simply no server of ours to receive it. Use this on your own boarding pass.
What this barcode hands over
| Field | Value | Exposure |
|---|
Every field the decoder reads
The reader pulls these fields out of the BCBP barcode. Paste a pass above and you get the same list, filled in with your own values.
| Field | Exposure |
|---|---|
| Passenger name | Sensitive - identifies or authenticates you |
| Booking reference (PNR) | Sensitive - identifies or authenticates you |
| From | Route - the only part Stamp Hunt reads |
| To | Route - the only part Stamp Hunt reads |
| Operating carrier | Low |
| Flight number | Low |
| Date of flight | Low |
| Cabin | Low |
| Seat | Low |
| Check-in sequence | Low |
| Electronic ticket | Low |
| Document / serial number | Sensitive - identifies or authenticates you |
| Frequent flyer airline | Low |
| Frequent flyer number | Sensitive - identifies or authenticates you |
| Baggage tag | Low |
What Stamp Hunt reads
The route line only - origin and destination. That is enough to know which country or state you were in. Your name, booking reference and frequent flyer number are never looked at, and none of it leaves the device.
How to get your barcode contents
- Open your boarding pass PDF or airline app and zoom in on the barcode.
- Scan it with any QR/barcode reader on your phone. It will show the raw text, starting with “M1”.
- Copy that text and paste it above. Do not do this with somebody else’s boarding pass.
Sources
- Bar Coded Boarding Pass (BCBP) Implementation Guide - IATA
- What’s in a Boarding Pass Barcode? A Lot - Krebs on Security
- Common Use Standards - IATA
Read next
Frequently asked questions
What information is in a boarding pass barcode?
The IATA BCBP standard (Resolution 792) packs your name, booking reference, route, carrier, flight number, date, seat, check-in sequence and, when there is one, your frequent flyer number into the barcode. Anyone with a decoder reads all of it.
Is this decoder safe to use?
The decoding runs entirely in your browser with JavaScript. The page makes no network request with what you paste, and there is no account and no server behind it. Use it on your own boarding pass.
Why is it risky to post a photo of my boarding pass?
A decoded barcode can expose your booking reference and frequent flyer number, which is often enough for someone to view or change your flights. Security journalist Brian Krebs documented exactly that in 2015, and the standard has not changed since.
What does Stamp Hunt read from a boarding pass?
Only the route - the origin and destination - which is what proves which country or state you were in. The scan and your collection stay on the device, with no server and no account.