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FindMyFlag — Reverse Flag Search

Unknown flag

Identify an unknown flag without guessing first

Unknown flags are often difficult precisely because you do not know which catalogue, country, organisation or historical period to search. FindMyFlag starts with the visual evidence in your image.

Identify a flag

When ordinary flag finders are not enough

Many identification tools are designed around current national flags and manual filters. An unknown flag may instead be a naval ensign, yacht club burgee, military colour, regional flag, political emblem, house flag or historical variant. In those cases, choosing the right filters can be harder than identifying the flag itself.

Search across separate collections at once

FindMyFlag combines independent reference collections into one visual index. A single upload can therefore surface candidates from modern datasets and digitised historical flag books without requiring you to know which source contains the answer.

No match can also be useful information

If repeated crops do not produce a convincing candidate, the flag may not yet be in the current index, the photograph may be too distorted, or the design may differ substantially from available references. FindMyFlag is a research tool, not a claim that every flag in existence is already indexed.

Explore the flag image library and source methodology.

Unknown flag questions

What if the unknown flag is not a national flag?

That is one of the main reasons to use visual search. The index can include maritime, regional, military, organisational and historical material as well as national flags.

Can colours alone identify an unknown flag?

Sometimes, but many unrelated flags use the same colours. Symbols, proportions, stripe layout and emblems usually provide stronger clues.

What should I do if there is no convincing match?

Try a tighter crop. If nothing credible appears after several useful crops, the relevant design may not yet be represented in the current index.