Konjaku Map on the Web: Compare old Japanese topographic maps with today, side by side. OpenHistoricalMap: An OpenStreetMap for history: map the world as it was at any date.
| Konjaku Map on the Web | OpenHistoricalMap | |
|---|---|---|
| Category | Historical & Old Maps | Historical & Old Maps |
| Coverage | Japan | Worldwide |
| Updates | Static archive | Continuously (community edits) |
| Data source | Historical GSI topographic maps | Community contributions |
| Made by | Kenji Tani (Saitama University) | OpenHistoricalMap contributors |
| Price | Free | Free |
| Account | No account needed | No account needed |
| On phones | Works well on phones | Works well on phones |
| Map view | Flat map | Flat map |
| Visits from ColorfulMaps | 0 | 0 |
| Open map | Open map |
What you can do with Konjaku Map on the Web
- Old and new maps side by side
- Many periods for each region
- Covers major Japanese cities and regions
What you can do with OpenHistoricalMap
- Time slider through history
- Historical borders and features
- Edit and add history yourself
- Open data
Summary based on public information. Check each map's website for current features and prices.