Fictional Country Flag Generator

Worldbuilding tips for fictional flags

• Colors carry history. A sea-faring nation might use blues and whites; a desert empire, ochre and crimson.
• Reuse layouts for alliances. Neighboring kingdoms can share a Nordic cross or a tricolor with different colors.
• One symbol is enough. A mountain, sun or tree reads instantly on a map icon.
• Make factions consistent. Use the share link to save each faction's flag and reload it later.

Want to remix a real-world flag instead? Use the country flag redesign tool.

How the random flag generator works

Each press of 🎲 Random flag picks one of seventeen layouts (bicolor, tricolor, Nordic cross, saltire, canton, chevron, border, diagonal and more), a palette chosen for contrast, and sometimes a symbol placed at the hoist or center. Nothing is truly random in a chaotic way: the generator follows the same rules good flag designers use, so most results already look like a plausible national flag. Press it until something feels right, then press Undo if you went one step too far.

Once you like a result, refine it: change one color to match your nation's story, swap the symbol for something meaningful, and set the aspect ratio. Then download or copy the share link to keep it.

A five-minute process for designing a fictional nation's flag

1. Write one sentence about the nation. "A cold mountain republic that won independence from a sea empire" gives you more to work with than a list of facts.
2. Turn that sentence into colors. Mountains and cold suggest white and slate blue; independence might add red. Stop at three.
3. Pick a layout that hints at history. A Nordic cross suggests a regional family; a canton suggests a former colony; a vertical tricolor suggests a revolution in the style of 18th-century republics.
4. Add at most one symbol. A mountain, star, sun, tree or crescent.
5. Test it on a map. Download a 600px PNG and paste it next to your map labels. If you cannot tell it apart from its neighbors, change the layout, not just the colors.

Worldbuilding with flag families

Real flags come in families, and copying that pattern makes an invented world feel lived in. Neighboring kingdoms that share a religion or founding people often share a layout – think of the Nordic crosses of Scandinavia or the pan-Arab colors of red, white, green and black. Former colonies frequently keep the old empire's canton or colors. Rival states sometimes choose deliberately opposite palettes.

To build a family in this tool, design the "parent" flag first and copy its share link. Open the link again for each related nation and change only one thing: the color of the cross, the symbol, or the stripe order. Save every version's link in your world document so you can always reopen and edit it.

Flags for fantasy, sci-fi and tabletop games

• Fantasy kingdoms – heraldic colors (gold, silver, red, blue, green, black) with a single animal-like or celestial symbol. A border layout feels medieval.
• Sci-fi federations – darker fields, a ring of stars or a single geometric mark, and unusual ratios such as 1:2 or 1:1.
• Post-apocalyptic factions – two-color diagonals, rough contrast, a bold text acronym (text is acceptable here because it looks improvised).
• Pirate or mercenary companies – black or deep red fields with one white symbol.
• D&D and tabletop campaigns – print faction flags as table tents with the printable flag page, or make an animated banner for VTT handouts with the waving flag maker.

Using your flags in maps and games

For map-making tools such as Inkarnate, Wonderdraft or Azgaar's Fantasy Map Generator, export a PNG at 600 or 1200 pixels and import it as an image or icon. For game engines (Unity, Godot, RPG Maker) the SVG keeps file sizes tiny and can be rasterized at whatever resolution your sprites need; for textures on 3D flag meshes, a 2048px-wide PNG is a good starting point. For Discord servers and forums, a 1:1 square export makes a clean emoji or role icon.

Making your flag unique

Random results can occasionally resemble a real country's flag, because there are only so many tricolors. Before you publish a book cover or a game, compare your design with real flags of a similar layout. If it is close, add a symbol or change the ratio. If you want a flag that is clearly based on a real one – an alternate-history Germany, for example – start from the country flag redesign tool instead, and read our flag design principles for the five rules most good flags follow.

Describe your flag in one sentence

Real flags have official written descriptions, and writing one for your fictional flag forces clarity. Use simple flag vocabulary: the field is the background, the hoist is the side near the pole, the canton is the upper hoist corner and a charge is any symbol. For example: "A green field with a white Nordic cross and a gold star in the canton." If you cannot describe your flag in one sentence, it is probably too complicated. Our guide to the parts of a flag lists all the terms.

Common mistakes in fictional flags

• Too much lore on one flag. Writers often want every historical event represented. Pick one; put the rest in a coat of arms or a seal used on documents.
• Every nation uses the same style. Vary layouts and ratios between cultures so a map of flags looks diverse.
• Ignoring practicality. A seafaring nation's flag needs to be visible from another ship; a nomadic people might prefer simple, easily sewn shapes.
• Unreadable text. Mottos belong on banners and crests, not on the national flag.
• Random colors without meaning. Readers notice when colors match the culture; write down what each one stands for.

Need inspiration beyond the random button? Our list of 20 fantasy flag ideas gives ready-made concepts for kingdoms, guilds and sci-fi factions.