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GeoJSON
GeoJSON to ESRI Shapefile GeoJSON to GeoPackage GeoJSON to PMTiles
ESRI Shapefile
ESRI Shapefile to GeoJSON ESRI Shapefile to GeoPackage ESRI Shapefile to MBTiles
CSV
CSV to GeoJSON CSV to GeoPackage CSV to GPX
GPX
GPX to GeoJSON GPX to GeoPackage GPX to KML
GeoPackage
GeoPackage to GeoJSON GeoPackage to ESRI Shapefile GeoPackage to File Geodatabase
FlatGeobuf
FlatGeobuf to GeoJSON FlatGeobuf to GeoPackage FlatGeobuf to ESRI Shapefile
JSON-FG
JSON-FG to GeoJSON JSON-FG to GeoPackage JSON-FG to ESRI Shapefile
KML
KML to GeoJSON KML to GeoPackage KML to ESRI Shapefile
Mapbox Vector Tiles
Mapbox Vector Tiles to GeoJSON Mapbox Vector Tiles to GeoPackage Mapbox Vector Tiles to ESRI Shapefile
PMTiles
PMTiles to GeoJSON PMTiles to GeoPackage PMTiles to ESRI Shapefile
MBTiles
MBTiles to GeoJSON MBTiles to GeoPackage MBTiles to ESRI Shapefile
AutoCAD DXF
AutoCAD DXF to GeoJSON AutoCAD DXF to GeoPackage AutoCAD DXF to ESRI Shapefile
GML
GML to GeoJSON GML to GeoPackage GML to ESRI Shapefile
Microsoft Excel
Microsoft Excel to GeoJSON Microsoft Excel to GeoPackage Microsoft Excel to CSV
GeoRSS
GeoRSS to GeoJSON GeoRSS to GPX GeoRSS to KML
MapInfo
MapInfo to GeoJSON MapInfo to GeoPackage MapInfo to ESRI Shapefile
File Geodatabase
File Geodatabase to GeoJSON File Geodatabase to GeoPackage File Geodatabase to ESRI Shapefile
SpatiaLite / SQLite
SpatiaLite / SQLite to GeoJSON SpatiaLite / SQLite to GeoPackage SpatiaLite / SQLite to ESRI Shapefile
File Geodatabase to GeoJSON

FileGDB to GeoJSON Converter Online | GeoDataViewer

Quick answer: Convert FileGDB to GeoJSON online for free. Open your FileGDB data, inspect the map preview, and download GeoJSON output locally in your browser — no upload required. File Geodatabase is an Esri geodatabase storage format that organizes datasets as a folder-based database instead of a single portable file.

Before converting File Geodatabase to GeoJSON

Prepare the input

Choose a complete File Geodatabase dataset (.zip, .gdbtable, .gdbtablx, .gdbindexes, .atx). Keep required sidecar files together and check the source coordinate reference system.

Know what you download

GeoJSON output is a feature collection with geometry and readable attributes. Inspect the actual output coordinates before using it as a web-map layer.

Limits and troubleshooting
  • Converting File Geodatabase to GeoJSON can change field types, metadata and presentation. A successful download does not prove every source element survived.
  • Confirm WGS 84 longitude/latitude placement in the downloaded output. Missing source CRS cannot be inferred safely; use a desktop GIS to assign or reproject an unknown CRS.
  • Browser memory varies by device. There is no guaranteed unlimited file size; split large datasets or use a desktop GIS when memory or WASM initialization fails.

If something goes wrong

  • Empty or partial preview: confirm the source contains supported vector geometry and compare the source layers with the preview.
  • Wrong continent or distorted geometry: inspect the source CRS, axis order and a known location. Valid syntax alone does not guarantee valid placement.
  • Conversion cannot start: reload while online so processing libraries and WebAssembly can load, then retry a smaller known-good sample. File contents are still processed locally.
  • Incomplete export: compare source/output counts, geometry families and key fields. Inspect warnings and keep the original file.
Source Format Guide

What is File Geodatabase?

File Geodatabase is an Esri geodatabase storage format that organizes datasets as a folder-based database instead of a single portable file.

FileGDB is widely used in ArcGIS environments because it can hold multiple feature classes, tables, and related content inside one geodatabase directory.

That structure is powerful inside Esri workflows, but it is less convenient than single-file formats for email, versioning, web uploads, and cross-platform sharing.

Common Workflows

Common use cases

  • Utility, government, environmental, and infrastructure projects built around ArcGIS desktop workflows.
  • Folder-based delivery of multiple feature classes and reference tables.
  • Intermediate storage before data is repackaged for portals, vendors, or web products.
Ecosystem

Where you will encounter it

  • ArcGIS desktop and geodatabase-centered enterprise workflows.
  • Multi-layer project packaging in Esri-heavy organizations.
  • Vendor deliveries where FileGDB is an accepted handoff format.
Strengths

Why teams choose File Geodatabase

  • Can hold multiple layers and related tables in one geodatabase structure.
  • Strong fit for ArcGIS workflows and geodatabase-oriented data management.
  • More expressive than simple flat exchange formats when the project is multi-layer.
Limitations

Where File Geodatabase gets awkward

  • FileGDB is a folder dataset, so it often needs zipping before transfer or browser upload.
  • Non-Esri workflows frequently prefer a more neutral or simpler delivery format.
  • The structure is less convenient for quick manual inspection than text or single-file containers.
Conversion steps

How to convert FileGDB to GeoJSON online

  1. 1. Add your FileGDB file

    Drop the source data into the converter above. Keep any required sidecar files together when your dataset uses them.

  2. 2. Check the map preview

    Inspect the geometry and attributes before exporting so you can spot missing layers or coordinate-system issues.

  3. 3. Download GeoJSON

    Run the conversion and save the generated GeoJSON output directly from your browser. Your source file stays on your device.

File Structure

Common file extensions and sidecar files

.gdb folder
Main geodatabase directory that contains tables, indexes, and supporting metadata files.
.gdbtable
Internal storage files used for tables and feature classes inside the geodatabase.
.gdbtablx
Internal index files that support geodatabase table access.
zipped .gdb folder
Common way to move a FileGDB through email, browsers, and archive systems that expect one transferable package.
Conversion Rationale

Why convert File Geodatabase to GeoJSON?

Teams commonly convert File Geodatabase into GeoJSON when they need a web-friendly format that is easy to inspect and debug.

  • Teams convert FileGDB when data needs to move outside ArcGIS into open, web-friendly, or single-file formats.
  • Conversion is also common when recipients only need one layer rather than a full geodatabase folder structure.
  • GeoJSON is readable as plain text and widely supported in web mapping libraries and APIs.
  • It is a practical handoff format when you need to validate geometry and attributes quickly.
FAQ

Frequently asked questions about File Geodatabase to GeoJSON

What do I need before converting File Geodatabase to GeoJSON?

Choose a complete File Geodatabase dataset (.zip, .gdbtable, .gdbtablx, .gdbindexes, .atx). Keep required sidecar files together and check the source coordinate reference system.

What exactly is in the GeoJSON download?

GeoJSON output is a feature collection with geometry and readable attributes. Inspect the actual output coordinates before using it as a web-map layer.

How large a File Geodatabase file can I convert?

The practical limit depends on browser memory, geometry complexity and the conversion driver. Start with a small sample. There is no guaranteed unlimited size and no cloud fallback or payment tier for large files.

Are my File Geodatabase files sent to a server?

File parsing and conversion run on your device. The page, WebAssembly and map basemaps can make network requests; choosing a file does not upload its contents. Load the required libraries before attempting offline work.

Can I use the output in Leaflet, MapLibre or Mapbox?

These libraries can read GeoJSON geometry and properties. Check that the actual output uses WGS 84 longitude, latitude and that required attributes survived. Add your web-map styling separately; KML styling is not a portable GeoJSON style specification.

Related Converters

More File Geodatabase conversion paths

File Geodatabase to GeoPackage
Open, preview, and convert File Geodatabase data locally in your browser.
File Geodatabase to ESRI Shapefile
Open, preview, and convert File Geodatabase data locally in your browser.
GeoJSON & Shapefile Tools

More tools for working with your data

GeoJSON Viewer →
Open and inspect GeoJSON files on an interactive map with full attribute table support.
Shapefile Viewer →
Open SHP, DBF, SHX files directly in your browser with no upload.
GeoJSON Validator →
Validate GeoJSON for RFC 7946 compliance before publishing or sharing.

Format workflow cluster

More File Geodatabase and GeoJSON workflows

Use the related viewer, tools, guides, and conversion paths to continue the same GIS task without losing the source format context.