editCSVonline
editCSVonline is a free web application that allows users to edit CSV files directly within their browser, eliminating the need for additional software installations. Powered by DataGridXL, a fast Excel-like Vanilla JavaScript data table library, it provides a spreadsheet-like interface for seamless data manipulation. Users can open CSV files from their devices or paste CSV data directly into the application. It supports a range of keyboard shortcuts to enhance productivity, including clipboard operations (cut, copy, paste), selection modifications, navigation controls, and undo/redo functionalities. The interface also supports standard navigation keys such as arrow keys for movement and 'Enter' to edit cells. It is designed to be intuitive, making it accessible for users with varying levels of technical expertise. As a free service by Vanilla Components, editCSVonline ensures that users can manage their CSV data efficiently without the need for complex software.
Learn more
ModelMonkey
ModelMonkey is an AI-powered spreadsheet assistant that integrates directly into Google Sheets and Microsoft Excel to help you analyze data, write and update formulas, build financial models, clean and automate workflows, and generate insights without manual formula writing or coding. You interact with your spreadsheet using plain-English commands while ModelMonkey reads your sheet’s structure, understands relationships and data flow, plans changes, shows what it will do for review, and then applies edits with explanations and one-click undo, avoiding black-box automation. It is powered by Claude Sonnet 4.5 and supports tasks like complex financial modeling (three-statement models, DCFs), trend analysis, data cleaning, integration with external data sources (including PostgreSQL), and dynamic formula generation, all with enterprise-grade encryption and zero data retention.
Learn more
TreeGrid SpreadSheet
TreeGrid SpreadSheet provides cell based AJAX grid with spreadsheet features like editable formulas, many predefined and custom formula functions, individual cell styling and borders, manipulating individual cells or selected cell groups, auto grid size, auto row and column index. Dynamic cell styling - every cell can have set and changed style attributes: text color, background color, shadow color and style, font size and name, text bold, italic, underline, strike, overline and small caps. And also horizontal and vertical alignment, wrapping text vertically and text rotate 90 and 270 degrees. Dynamic cell span - every cell can be vertically and horizontally spanned through more next cells. Dynamic cell format - every cell can have set and changed its type and display format.
Learn more
Webix Grid
Webix Grid is a standalone JavaScript DataGrid component (table/grid UI widget) that is optimized for high-performance, large-dataset scenarios, and is designed to be dropped into web applications where tabular data needs to be displayed, edited, filtered, sorted, etc.
Key positioning points:
Lightweight: you don’t have to bring in the full Webix UI library if you only need the grid.
Focused on “just the grid” use-case rather than a full UI framework.
Feature-rich, offering a wide set of capabilities for enterprise-style data apps:
- Virtual scrolling
- Frozen columns
- Inline editing
- Sorting
- Filtering
- Grouping
- Column resizing
- Column reordering
- Multi-line headers
- Row selection
- Cell selection
- Copy/paste
- Excel export
- PDF export
- CSV export
- Paging
- Validation
- Undo/redo
- Drag and drop
- Spanning cells
- Context menus
- Keyboard navigation
- Conditional formatting
- Column summaries
- Custom rendering
- Live updates
Learn more