SPREADSHEET EDITOR

Edit your data directly
in a spreadsheet

Start with a blank sheet or open an Excel, CSV, or JSON file to quickly edit cells and table data.

No installation neededEdit table dataSave XLSX · CSV
or

TOOL GUIDE

How to use Online Excel and CSV Editor

Create a spreadsheet or edit Excel, CSV, and JSON files online, then save the result as XLSX or CSV.

Workflow

  1. 1. Prepare the input

    Choose a file in XLSX, CSV, JSON format. Where available, use a sample file to inspect the complete result flow first.

  2. 2. Confirm the processing rules

    Process one file at a time. For Excel files, you can choose the exact sheet to use.

  3. 3. Review and save the result

    After processing, review the summary metrics and before-and-after preview, then save only the result you need.

Processing rules for this tool

No extra options are required. The file structure and selected sheet determine the operation. Check the file name and format before starting.

Supported input formats
XLSX, CSV, JSON
Files per operation
Process one file at a time. For Excel files, you can choose the exact sheet to use.
What the result shows
Open and edit Excel, CSV, and JSON files like a spreadsheet.

Safe workflow

Your original upload is never modified. A separate result file is created.

Preview before processing

Review how the result will change before saving it.

Only the settings you need

Choose the relevant options and start right away.