Online Spreadsheet Calculator — Free Formula & CSV to Markdown
Free online spreadsheet with formulas. Calculate SUM, AVERAGE, IF. Convert CSV to Markdown tables. Runs in your browser, no sign-up.
Italic blue = formula result. Click a cell to see its formula in the bar above.
| A | B | C | D | |
|---|---|---|---|---|
| 1 | 255000 | |||
| 2 | 96200 | |||
| 3 | 165000 | 186200 | 351200 |
Markdown output
| Item | Q1 | Q2 | Total | | ------------ | ----------- | ----------- | ----------- | | Subscription | 120000 | 135000 | =SUM(B2:C2) | | Service | 45000 | 51200 | =SUM(B3:C3) | | Total | =SUM(B2:B3) | =SUM(C2:C3) | =SUM(D2:D3) |
Frequently asked questions
How do I create a Markdown table?+
Use the visual builder: add rows and columns, then fill in cells. The Markdown output updates in real-time. Or paste CSV data and click Parse CSV → Visual.
Can I use formulas like Excel?+
Yes. Type formulas starting with = in any cell. Supported functions: SUM, AVERAGE, COUNT, COUNTA, MAX, MIN, IF, ROUND. You can also use arithmetic (=A2+B2*0.85) and cell references (=SUM(B2:B5)). The computed value appears below the formula.
Can I convert CSV to Markdown table?+
Yes. Switch to CSV Paste mode, paste your CSV data (comma or tab separated), and click Parse CSV → Visual. The table will be built automatically.