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OperaA web spreadsheet is not just a grid with editable cells. It is a browser-based workspace that users expect to behave like Excel: formulas, formatting.
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Read articleFastSheet and SpreadSheet are both web spreadsheet components from the TreeGrid product family. Both can be used to open, edit and save spreadsheet-like.
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Read articleOpen, edit, and save XLSX files in the browser with full Excel formula compatibility and 14 languages.
Read articleTreeGrid SpreadSheet is a browser-based spreadsheet component for developers who need to embed Excel-compatible spreadsheet functionality into a web application. It is suitable for teams that need to open, edit, and save XLSX files in the browser without requiring users to install desktop software.
Yes. XLSX files can be opened, edited, and saved entirely in the browser without any server round-trip. Alternatively, backend upload and download of XLSX files is supported if server-side persistence is needed. JSON and XML storage formats are also available.
SpreadSheet provides 230 built-in Excel-compatible formula functions, editable formulas starting with =, formula source cell selection by mouse including across sheets, external sheet references, user-defined names for cells and ranges, and custom expression-based calculations.
Yes. Multiple sheets are fully supported with the ability to add, delete, move, copy, and rename them. An interactive toolbar displays the sheet list. Cross-sheet formula references and cell range selection across sheets during formula editing are also available.
SpreadSheet offers Excel-like in-cell editing with keyboard navigation, single-cell and range cursors, multi-line and rich text editing, auto-fill and smart fill-down, copy and paste to/from Excel with style and format preservation, image insertion and manipulation by mouse dragging, mass operations across ranges, and a fully customizable context menu. Full undo/redo is included.
Dynamic cell styling covers color, font, alignment, text wrapping, and rotation. Cell borders can be configured with different widths, styles, and colors. Dynamic cell spanning is supported both vertically and horizontally. Automatic cell type detection and advanced formatting via format strings are also included.
SpreadSheet exports to XLSX, CSV, PDF, and HTML with full formatting preservation. Print-ready layouts include automatic multi-page splitting and scaling. Changes can be synchronized with a backend via AJAX, form submits, or a custom API.
Yes. Full RTL (right-to-left) display is supported for Middle Eastern languages. SpreadSheet is also localized to 14 languages, including all UI texts and date and number formats.
SpreadSheet supports cross-sheet cell range selection during formula editing, search by user expression, cell hints showing overflowed content, cell IDs for automated testing, localization to 14 languages, and full RTL display for Middle Eastern languages — features not currently available in FastSheet.
SpreadSheet works with React, Vue, Angular, Svelte, Ember, Express, Salesforce LWC, and Vanilla JavaScript. Full TypeScript definitions are included. It runs in Chrome, Edge, Safari, Firefox, Opera, Android WebView, and Samsung Internet.
Yes. SpreadSheet can be configured and operated entirely through its UI without writing custom JavaScript. Responsive design and touch support are built in, and the component integrates with any backend returning XML or JSON.