geojson.io
Fewer than 5 people recommend it so far, so there's no written verdict. Here is what commenters said.
3recommend
1warn against
Apr 7, 2026first mention
May 8, 2026latest mention
Why people recommend it
“There's a map facility not linked here that allows you to build GeoJSON graphically”
Show 1 more
Caveats and dissent
“it is not very good at handling large datasets and couldn't enrich data”
Threads where it came up
- GeoJSON 3 mentions
- Ask HN: What are you working on? (April 2026) (Non AI) 1 mention
Data: geojson-io.json. Quotes are verbatim; the verdict and theme labels are written by a model from these comments, and every clause links to its sources.
All comments 4
“it is very convenient to render json this way”
“There's a map facility not linked here that allows you to build GeoJSON graphically”
“geojson.io is a great editor/viewer by Mapbox.”
“it is not very good at handling large datasets and couldn't enrich data”