Some time ago, we released Luckysheet, now we release a new open source excel import and export plugin-Luckyexcel.<p>Excel import online demo: <a href="https://mengshukeji.github.io/LuckyexcelDemo/" rel="nofollow">https://mengshukeji.github.io/LuckyexcelDemo/</a><p>The first version already supports the import of the xlsx format, the export feature is under development, and more formats will be supported in the future.<p>Luckysheet optimizes the original functions like built-in formulas, conditional formatting and chart.In addition, we have added enhancements such as insert picture, data validation and cell segmentation style.<p>Luckysheet online demo: <a href="https://mengshukeji.github.io/LuckysheetDemo/" rel="nofollow">https://mengshukeji.github.io/LuckysheetDemo/</a><p>For more detailed plans, please visit the Luckysheet project homepage.<p>Luckysheet: <a href="https://github.com/mengshukeji/Luckysheet/" rel="nofollow">https://github.com/mengshukeji/Luckysheet/</a><p>Luckyexcel: <a href="https://github.com/mengshukeji/Luckyexcel/" rel="nofollow">https://github.com/mengshukeji/Luckyexcel/</a><p>Important: Our fundraising event has been opened,come support us: <a href="https://www.kickstarter.com/projects/luckysheet/luckysheet" rel="nofollow">https://www.kickstarter.com/projects/luckysheet/luckysheet</a>