GeoJSON Formatter

GeoJSON Formatter — pretty-print map data

Format and validate GeoJSON with feature stats. Tentaco GeoJSON Formatter: review input and get an instant result — free, no sign-up.

Use the tool

Full tool — runs in your browser. No sign-up required.

More options in Map & Geo Studio

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Full guide: Map & GeoJSON tools — format and validate More in Free developer tools online

Format and validate GeoJSON with feature stats. Runs entirely in your browser — nothing is uploaded.

Paste or enter your input into Tentaco GeoJSON Formatter. Standard processing runs locally in your browser — contents are not sent to Tentaco servers for that path.

The primary button opens the matching studio mode so you can start without an account. People often search for: geojson, map, gis.

Why use this tool?

Runs locally in your browser
No account required for core features
Privacy-friendly — no cloud upload for standard modes

How it works

Open GeoJSON Formatter via the studio button (direct mode).
Paste or type your input.
Adjust options and review the preview or output.
Copy or save the result and re-run if needed.

Common use cases

Debug payloads with GeoJSON Formatter during development
Format or convert data before a git commit
Share a reproducible output with teammates

Tips & comparisons

1Compared with desktop apps, GeoJSON Formatter starts instantly and needs no updates.
2Many cloud uploaders keep copies; this mode keeps processing local.
3Combine GeoJSON Formatter with related Tentaco tools in the same studio or hub.

Privacy & data handling

Transfer to Tentaco: No for the standard mode. Processing: local in the browser. Permanent storage: only if you copy or save the result yourself.

LocalThis tool processes data locally in your browser. Tentaco does not receive your file contents for this mode.

File transfer: No — files stay on your device
Processing: Locally in the browser
External APIs: None for this tool
Temporary storage: Browser memory only while the tab is open
Permanent storage: Only if you download or save the result yourself

GeoJSON Formatter — pretty-print map data

Open Map & Geo Studio

Frequently asked questions

Does GeoJSON Formatter store my input?

No. GeoJSON Formatter processes the standard mode locally in your browser; Tentaco does not receive your input for that path.

Can I export the result?

Yes. Copy the output from GeoJSON Formatter or download it when the tool offers a file.

Which standards are supported?

GeoJSON Formatter follows the formats named in the UI and description. Unlisted variants are not guaranteed.

Can I use it offline?

After the first load, GeoJSON Formatter often keeps working offline. Online dependencies are labeled.

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