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https://github.com/tablecruncher/tablecruncher

A lightweight, powerful CSV editor for macOS, Windows and Linux — with built-in JavaScript macros.
https://github.com/tablecruncher/tablecruncher

c-plus-plus cpp cross-platform csv csv-editor csv-reader csv-viewer fltk gpl gplv3 linux macos opensource windows

Last synced: 17 days ago
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A lightweight, powerful CSV editor for macOS, Windows and Linux — with built-in JavaScript macros.

Awesome Lists containing this project

README 

        


  Tablecruncher logo




**Tablecruncher** is a blazing-fast CSV editor built to handle massive files with ease, available for macOS, Windows and Linux. 

Need to open a 2 GB file with 16 million rows? On a Mac Mini M2, Tablecruncher does it in just **32 seconds**.



Originally released in 2017 as a commercial app, Tablecruncher is now fully open source under the **GPL v3 license** (or later).



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## Screenshot



![Tablecruncher Screenshot](assets/artwork/screenshot.png)



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## Key Features



- **Opens huge CSV files effortlessly**

- **Built-in JavaScript macro language**

- **Supports multiple encodings**: UTF-8, UTF-16LE, UTF-16BE, Latin-1 (ISO-8859-1), and Windows 1252

- **Four color themes** to match your style



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## Download



Prebuilt binaries of the newly open-sourced Tablecruncher v1.8-beta1 are now available for:



- macOS (ARM)

- Windows (x86_64)

- Linux (x86_64)



You can find them under [Releases](https://github.com/Tablecruncher/tablecruncher/releases).



If you're looking for the previous stable version (v1.7) for macOS (ARM and Intel), it's still available at:  

**[tablecruncher.com/download](https://tablecruncher.com/download/)**



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## Building the App



Tablecruncher is written in C++17, build files for CMake are provided. The UI toolkit **FLTK** is the only external dependency.



To build Tablecruncher from source:



1. Install **Xcode Command Line Tools** (on macOS), **Visual Studio C++** (on Windows) or your favorite build toolchain on Linux.

2. Install **CMake**

3. Download and build **FLTK**

4. Run CMake to build the application



Detailed build instructions for macOS, Windows and Linux are available in [BUILD.md](BUILD.md).



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## Want to Support Tablecruncher?



Here’s how you can help:



- **Star this repository** — it really helps!

- **Share it** on LinkedIn, X/Twitter, Mastodon, or your favorite platform

- **Test the app and report bugs** via GitHub Issues

- **Join my newsletter**: [The Missing Header](https://missingheader.com) — a deep dive into data handling challenges and tools



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## License & Branding



The Tablecruncher application is licensed under [GPL v3 or later](LICENSE).



All UI icons are © 2025 Stefan Fischerländer and licensed under GPL-3.0-or-later or CC BY 4.0, at your choice.

The Tablecruncher app logo is © 2025 Stefan Fischerländer and licensed only under GPL-3.0-or-later.



You are welcome to fork and build upon Tablecruncher. If you release a modified version, _please use a different name and logo_ to avoid user confusion.



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## Third-Party Libraries Used in Tablecruncher



Tablecruncher includes the following third-party libraries:



- **[duktape](https://duktape.org/)**  

  License: MIT  

  Copyright: 2013-2023 by Duktape authors



- **[cpp-httplib](https://github.com/yhirose/cpp-httplib)**  

  License: MIT  

  Copyright: 2019-2025 by Yuji Hirose



- **[nlohmann/json](https://github.com/nlohmann/json)**  

  License: MIT  

  Copyright: 2013-2025 by Niels Lohmann



- **[utfcpp](https://github.com/nemtrif/utfcpp)**  

  License: Boost Software License 1.0  

  Copyright: 2006-2023 by Nemanja Trifunovic



Each library is included in source form under the terms of its respective license.

License texts are found in the corresponding subdirectories within [/external/](/external/), either as dedicated license files or embedded directly in the source code.