Modern GB Stamp Decoder Scan · Decode · Collect

Digital Philately

Scan and understand modern GB barcoded stamps.

Up to now, you’ve only collected half the story.

Scan a modern GB barcode stamp and instantly see what it is — issue, date, value, origin, and more — in plain English.

Example GB barcode stamp image used under licence
Stamp image © Royal Mail Group Ltd. Used with permission under licence. © 2025

You’ll get

  • What it is: Definitive, Special, or Regional
  • When it was made: barcode plus print/production dates
  • What you have: value/format and source/origin/supplier

Fast scan-first flow

Open the camera, scan the barcode, see the result immediately.

Clear summary, deeper detail

Collector-first wording up front, technical depth when you want it.

Built for modern GB

Focused on the realities of barcoded stamp collecting.

What does it do?

Stamp Decoder explains what the barcode on a modern GB stamp means — in plain English.

You’ll see the same details collectors care about, plus information that isn’t visible to the eye.

  • Issue type (Definitive, Special, Regional)
  • Print and production dates
  • Value and format
  • Monarch era (QEII / KCIII)
  • Origin and supply details
  • Hidden security information

Who it’s for

Designed for collectors of modern Great Britain stamps.

Whether you collect:

  • Barcoded Machins
  • KCIII definitives
  • Regional issues
  • First Day Covers
  • Used or mint examples

Stamp Decoder gives you confidence in what you’re holding.

How does it work?

Modern GB stamps contain a machine-readable barcode. Stamp Decoder interprets this data and presents it in a clear, collector-friendly way.

Technical note: supports Royal Mail JGB-format barcodes.

Collector reference companion

A pocket reference for modern GB stamps. Your companion for barcoded stamp collecting. Understand what you’ve scanned — instantly.

StampDecoder.app

Scan. Decode. Collect.

Up to now, you’ve only collected half the story.