Alternatives

Products that do what CSVWizard BASIC does

Fast CLI tool for analyzing CSV files

1. 1TV
   Tidy Viewer – a cross-platform CSV pretty printer for viewer enjoyment▲392

   2021 · github.com

2. 2
   Modern CSV▲111

   A CSV editor/viewer

   2019

3. 3WO
   WhatTheDuck – open-source, in-browser SQL on CSV files▲119

   WhatTheDuck is an in-browser sql tool to analyze csv files that uses duckdb-wasm under the hood. Please provide feedback/issues/pull requests.

   2024 · github.com

4. 4
   HelloCSV - A free FlatFile alternative▲123

   A modern, frontend only, open source, CSV importer

   2025

5. 5
   Row Zero▲129

   The fastest spreadsheet

   2024

6. 6
   Meet Macro Terminal▲102

   Claude Code for data analysis

   Sep 2025

7. 7CQ
   CSVFiddle – Query CSV files with DuckDB in the browser▲64

   2022 · csvfiddle.io

8. 8CG
   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

9. 9CE
   CSV Explorer (YC F1) - Explore CSVs with Millions of Rows▲60

   2017 · csvexplorer.com

10. 10UJ
    uDSV.js – A faster CSV parser▲67

    Hey folks! I know CSV parsers (especially in JS) aren't terribly exciting and someone writes a "better" one every week. I'm in the middle of my parental leave, and this was a project that came out of me looking for the fastest/smallest CSV parser. It all started so innocently, and then turned into a benchmark-validation-athon; the library itself took ~2 weeks to write, but the performance comparisons took another ~4 weeks (on and off). The benchmarks were a huge effort, but I think they are the most thorough to date, both in breadth and in depth, so hopefully you find them useful:…

    2023 · github.com

11. 11CN
    CSV-nix-tools – Collection of tools for processing system information▲9

    2020 · github.com

12. 12ZA
    ZenQuery – Analyze CSV/JSON files using natural language for cents▲16

    2025 · zenquery.app

13. 13
    DeepCleanCSV▲4

    Clean your messy CSV for ML & analysis in seconds

    Jun 2026 · deepcleancsv.com

14. 14CR
    CSV Reader – A browser extension to format CSV into a table▲5

    2020 · github.com

15. 15
    howToCSV▲6

    Even if you hate CSV, you'll love this

    Jan 2026 · howtocsv.com

16. 16FA
    Flatfile – a drop-in CSV / XLS importer for web apps▲54

    2019 · flatfile.io

17. 17
    HowToCSV▲4

    Even if you hate spreadsheets, you'll love this

    Jun 2026 · howtocsv.com

18. 18TA
    Tad – A Desktop App for Viewing and Analyzing Tabular Data (CSV Files)▲15

    2017 · tadviewer.com

19. 19WB
    We built a developer-first open-source CSV import platform▲25

    2023 · github.com

20. 20AC
    A CLI tool that enables you to remove files easily and safely▲37

    2024 · github.com

21. 21SO
    SQL on CSV/TSV/etc + native/WASM + worlds fastest CSV parser▲10

    2022 · github.com

22. 22
    CSVTool.io▲4

    Free CSV tools that run entirely in your browser

    Jul 2026 · csvtool.io

23. 23CT
    CSV Table – Proper GUI for View and Edit CSV, JSON▲21

    2024 · csvtable.com

24. 24
    Lake3Tools CSV Compare desktop app▲5

    Compare CSV files with 10s of millions of rows in seconds.

    Jan 2026 · lake3tools.com

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