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Tablecruncher

Free, open-source CSV editor for Mac, Windows and Linux with JavaScript macros.

Open sourceCSV editors
Visit TablecruncherSee 2 alternatives
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About Tablecruncher

Tablecruncher is a lightweight CSV editor written in C++ by a solo developer in Germany. It started as a paid Mac app and went free and open source under the GPL-3.0 licence in April 2025. Its main draw is speed: it can open files over 2 GB with millions of rows, and auto-detects most CSV dialects and text encodings. Beyond basic grid editing, sorting and column moves, it has regular-expression find and replace, row flagging with export of flagged rows, JSON export and a JavaScript macro language for scripted changes across a table. There are builds for Windows, Linux, Intel Macs and Apple Silicon, plus a free browser version. The interface uses the FLTK toolkit, so it looks plain rather than native on the Mac. It suits developers and data workers who want a fast, free CSV tool they can script.

Best for: Developers who want a fast, free CSV editor they can script with JavaScript.

Pros and cons

What works

  • Free and open source under GPL-3.0
  • Opens files over 2 GB with millions of rows
  • JavaScript macros for bulk changes

Why people leave

  • Interface looks dated and non-native on macOS
  • Fewer analysis tools than paid CSV editors
  • Small, single-developer project

Top Tablecruncher alternatives

See all 2
  1. 1Modern CSV logo
    Modern CSV

    More polished editor with stats, pivot tables and a native look, free tier plus one-time licence.

    81.5
  2. 2LibreOffice logo
    LibreOffice

    Free suite for when you also need formulas and charts on your CSV data.

    52.6

Why people left Tablecruncher

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Tablecruncher: common questions

Is Tablecruncher free?

Yes. Tablecruncher is free, open-source software.

Is Tablecruncher open source?

Yes. The source code is on GitHub at Tablecruncher/tablecruncher.

What platforms does Tablecruncher run on?

Tablecruncher is available for Windows, macOS, Linux and Web.

What are the best alternatives to Tablecruncher?

The highest-ranked Tablecruncher alternatives right now are Modern CSV and LibreOffice. See the full ranked list for pricing, platforms and verified facts.

See all 2 Tablecruncher alternatives