Axyra Sheets Documentation

Axyra Sheets is an embeddable, Excel-compatible spreadsheet processing engine, available to Java applications as a library. It reads and writes spreadsheet files, calculates formulas, and renders PDF or images without requiring Microsoft Office.

Documentation

Quick Start	Start with AI-assisted development or build your first workbook manually.
Guides	Task-oriented walkthroughs for creating and reading Excel files, exporting application data, generating reports, and converting Excel to PDF.
Developer Reference	The full guide: AI-assisted development, workbook and sheet model, formulas, charts, import/export, rendering, and licensing.
Javadoc	Generated API documentation for every public class in io.keikai.axyra.sheets.

What it does

Axyra Sheets provides server-side spreadsheet processing for Java applications, from file import and formula calculation to charts, pivot tables, and PDF/image rendering. It works directly with Excel files without requiring Microsoft Office.

Area	Summary
File formats	XLSX, XLSM, XLSB, legacy XLS (BIFF8), ODS, CSV, JSON — read and write
Formulas	Excel-compatible parser and evaluator, 500+ built-in functions, array/spill semantics, iterative calculation, user-defined functions
Content objects	Charts, pivot tables, tables, slicers, timelines, conditional formats, data validation, comments and threaded comments, hyperlinks, form controls, SmartArt, sparklines, OLE objects, VBA modules
Output	PDF (with encryption, watermarks, PDF/A), PNG / SVG / JPEG / GIF / BMP / TIFF, HTML
Security	Workbook encryption (read and write), OPC digital signatures, sheet and range protection
Scale	A columnar backend and a streaming writer for large sheets

Looking for a UI spreadsheet component? Visit Keikai Spreadsheet instead, or see how Axyra Sheets and Keikai Spreadsheet compare.