Dev tools · alternatives · 2026

24 alternatives to (Geo) Data Merger

A simple tool for merging data sets

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. (Geo) Data Merger launched in 2018; newer entries below may have overtaken it.

1. 1
   JSON and CSV merger▲11

   Best JSON , CSV Merger, Records, Column, Value, Nested Array

   2025 · its alternatives →

2. 2
   Dropbase▲227

   Turn your CSV and Excel files to live databases, instantly.

   2020 · its alternatives →

3. 3CF
   CSV file merging▲29

   An intuitive CSV Importer and CSV File Merging tool.

   2019 · mightymerge.io · its alternatives →

4. 4
   Free GeoJSON editor to visualize, download or convert into many formats▲214

   Revolutionize GIS data management with Geoman for Leaflet, MapLibre, and Mapbox. Add drawing, editing, cutting, splitting, snapping, measuring, and more directly on the map.

   2020 · geoman.io · its alternatives →

5. 5
   Quick API▲348

   Convert your CSV data into API product

   2022 · quickapi.io · its alternatives →

6. 6
   Jsonify▲197

   Transform XLSX/CSV files into clean, usable JSON

   2024 · jsonify.net · its alternatives →

7. 7
   MergeCSV▲78

   No more data cleaning

   2022 · mergecsv.webflow.io · its alternatives →

8. 8
   Merge JSON Files▲8

   It’s fast, free, and doesn’t require any sign-up. Just upload your files, and it merges them into one clean JSON output. I made this because I kept running into small but annoying JSON merging tasks while working on side projects — especially when dealing with API responses, config files, or datasets. Most existing tools were either CLI-only, full of ads, or had weird size limits. So I built my own.

   2025 · merge-json-files.com · its alternatives →

9. 9
   MapHub – A Google My Maps Alternative, Based on OpenStreetMap Data▲244

   MapHub allows you to create, share and collaborate interactive maps online.

   2016 · maphub.net · its alternatives →

10. 10
    CSVshare▲184

    Instantly share CSV data and make it searchable

    2017 · csvshare.com · its alternatives →

11. 11
    Merge JSON▲5

    50+ free JSON tools that run entirely in your browser

    Jun 2026 · mergejsonfiles.com · its alternatives →

12. 12TA
    Transform a CSV into a JSON and vice versa▲125

    2021 · jsonmatic.com · its alternatives →

13. 13
    Sqlify▲191

    JSON, CSV and SQL converter

    2017 · its alternatives →

14. 14
    DataMani — Free Data Manipulation Tools▲3

    Merge, split & convert Excel/CSV — zero uploads, zero cost

    Jul 2026 · data-mani.com · its alternatives →

15. 15
    SheetDB 3.0▲157

    Turn a Google Spreadsheet into a JSON API

    2020 · sheetdb.io · its alternatives →

16. 16
    DataSieve 2.0▲119

    Extract structured data from text, files and archives.

    Mar 2026 · apps.apple.com · its alternatives →

17. 17
    CSV Print Merge▲7

    Effortlessly Transform CSV Data into Dynamic Figma Designs

    2025 · figma.com · its alternatives →

18. 18EC
    ExcelJSON – Convert JSON To/from CSV, TSV Easily▲50

    2017 · exceljson.com · its alternatives →

19. 19
    Mighty Merge▲3

    CSV file merging made easy

    2020 · mightymerge.io · its alternatives →

20. 20NM
    Npm module that makes easy to convert JSON to CSV▲64

    2017 · npmjs.com · its alternatives →

21. 21
    CSV GB+ by Data.olllo – Open and Process CSVs Locally▲51

    I built CSV GB+ by Data.olllo, a local data tool that lets you open, clean, and export gigabyte-sized CSVs (even billions of rows) without writing code. Most spreadsheet apps choke on big files. Coding in pandas or Polars works—but not everyone wants to write scripts just to filter or merge CSVs. CSV GB+ gives you a fast, point-and-click interface built on dual backends (memory-optimized or disk-backed) so you can process huge datasets offline. Key Features: Handles massive CSVs with ease — merge, split, dedup, filter, batch export Smart engine switch: disk-based "V Core" or RAM-based "P…

    2025 · apps.microsoft.com · its alternatives →

22. 22
    Convert JSON to a set of tidy CSVs▲11

    2020 · github.com · its alternatives →

23. 23DT
    Dropbase – Turn your CSV files into live databases in seconds▲26

    2020 · dropbase.castodia.com · its alternatives →

24. 24
    Text Joiner▲3

    Merge text columns into CSV, SQL or JSON, your way

    Jul 2026 · tools.newzone.top · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →