Free Online Spreadsheet — No Login Required

freesheet.app is a free online spreadsheet that works entirely in your browser with no login, no account, and no cloud storage required. It supports formulas like SUM, AVERAGE, IF, and more, plus CSV import and export, cell formatting, and undo/redo — everything you need for everyday spreadsheet tasks. freesheet.app loads in under 200ms and saves your work automatically to your browser's localStorage, so your data is always there when you come back. Whether you need to quickly tally a budget, track a personal project, or clean up CSV data, freesheet.app gives you a full spreadsheet experience without asking for your email, without loading ads, and without sending your data to anyone's servers. Open the page and start typing — your spreadsheet is ready.

What features does freesheet.app offer?

freesheet.app includes a built-in formula engine with 10 functions: SUM, AVERAGE, MIN, MAX, COUNT, IF, ROUND, ABS, CONCAT, and TODAY. Formulas start with an equals sign and support cell references like A1 or ranges like A1:A10. Circular references are detected and displayed as #CIRC, while other errors appear as #ERR or #DIV/0! so you can debug formulas easily.

CSV import and export are supported out of the box. You can import a CSV file using the file picker button in the toolbar, or simply drag and drop a .csv file directly onto the grid. Exporting your spreadsheet as a CSV file is a single click away.

Cell formatting includes bold, italic, text color, background color, and text alignment (left, center, or right). Formatting is applied per cell and persists when you save your spreadsheet.

The grid provides 26 columns (A through Z) and 2,000 rows, with resizable column widths that you can adjust by dragging column header borders. The header row stays frozen as you scroll through your data.

freesheet.app supports undo and redo with up to 50 steps of history. Press Ctrl+Z to undo and Ctrl+Y to redo, or use the toolbar buttons.

Multi-cell selection works with click-and-drag or Shift+click. When multiple cells are selected, the status bar at the bottom displays live SUM, AVERAGE, and COUNT values for the selected range.

How does this free online spreadsheet work?

Getting started with freesheet.app takes seconds. Open the page in any modern browser and you will see a full spreadsheet grid ready for input. There is no account creation, no setup wizard, and no loading screen. Click any cell and start typing numbers, text, or formulas.

If you already have data in another application, export it as a CSV file and import it into freesheet.app. You can use the import button in the toolbar or drag the CSV file directly onto the grid. Your data will populate the cells instantly.

When you are finished working, your spreadsheet is already saved. freesheet.app automatically stores all cell data, formatting, and preferences in your browser's localStorage. You can also export your work as a CSV file to share with others or open in another application.

Why is freesheet.app better than other free spreadsheet apps?

Google Sheets and Microsoft Excel Online are powerful tools, but they require you to create an account and store your data on their servers. For quick, private spreadsheet tasks, that overhead is unnecessary. freesheet.app gives you a functional spreadsheet in under 200ms with zero friction.

Many free spreadsheet alternatives are loaded with ads, pop-ups, and tracking scripts that slow down the experience and compromise your privacy. freesheet.app contains no ads, no analytics, and no third-party scripts. The entire application is a single HTML file with inline CSS and vanilla JavaScript.

freesheet.app works offline after your first visit. A service worker caches all resources so you can use the spreadsheet on a plane, on the train, or anywhere without an internet connection. Your data never leaves your device.

For everyday tasks like budgeting, project tracking, data cleanup, and quick calculations, freesheet.app provides exactly what you need without the complexity of a full office suite. It is fast, private, and always available.

Is freesheet.app private and safe to use?

freesheet.app stores all data exclusively in your browser's localStorage. No data is transmitted to any server at any time. There is no backend, no database, no API calls, and no cloud sync. Your spreadsheet data stays on your device and is never accessible to anyone else.

freesheet.app does not use cookies, analytics, tracking pixels, or any form of user monitoring. There are no third-party scripts loaded on the page. The application runs entirely in your browser and can function fully offline.

Because your data is stored in localStorage, it persists between sessions but is tied to your browser. Clearing your browser data will remove your spreadsheet. For important work, use the CSV export feature to save a backup file.

Frequently Asked Questions