Libxlsxwriter: A C library for creating Excel XLSX files.
Libxlsxwriter is a C library that can be used to write text, numbers, formulas and hyperlinks to multiple worksheets in an Excel 2007+ XLSX file.
It supports features such as:
- 100% compatible Excel XLSX files.
- Full Excel formatting.
- Merged cells.
- Defined names.
- Autofilters.
- Charts.
- Data validation and drop down lists.
- Conditional formatting.
- Worksheet PNG/JPEG/GIF images.
- Cell comments.
- Support for adding Macros.
- Memory optimization mode for writing large files.
- Source code available on GitHub.
- FreeBSD license.
- ANSI C.
- Works with GCC, Clang, Xcode, MSVC 2015, ICC, TCC, MinGW, MingGW-w64/32.
- Works on Linux, FreeBSD, OpenBSD, OS X, iOS and Windows. Also works on MSYS/MSYS2 and Cygwin.
- Compiles for 32 and 64 bit.
- Compiles and works on big and little endian systems.
- The only dependency is on
zlib.
Here is an example that was used to create the spreadsheet shown above:
#include "xlsxwriter.h"
int main() {
/* Create a new workbook and add a worksheet. */
lxw_workbook *workbook = workbook_new("demo.xlsx");
lxw_worksheet *worksheet = workbook_add_worksheet(workbook, NULL);
/* Add a format. */
lxw_format *format = workbook_add_format(workbook);
/* Set the bold property for the format */
format_set_bold(format);
/* Change the column width for clarity. */
worksheet_set_column(worksheet, 0, 0, 20, NULL);
/* Write some simple text. */
worksheet_write_string(worksheet, 0, 0, "Hello", NULL);
/* Text with formatting. */
worksheet_write_string(worksheet, 1, 0, "World", format);
/* Write some numbers. */
worksheet_write_number(worksheet, 2, 0, 123, NULL);
worksheet_write_number(worksheet, 3, 0, 123.456, NULL);
/* Insert an image. */
worksheet_insert_image(worksheet, 1, 2, "logo.png");
workbook_close(workbook);
return 0;
}See the full documentation for the getting started guide, a tutorial, the main API documentation and examples.