All tools

Free Data Tools

Open, convert, and visualize spreadsheets in your browser. Choose a focused tool below and start with your own file. No account is required.

Chart Maker Turn a spreadsheet into a clear chart in three steps. Upload CSV or XLSX, choose the columns and chart type, then export a PNG or SVG. No account or upload to a server is needed. CSV Viewer Open a CSV file as a readable table immediately. Search rows, keep the header visible while scrolling, edit a cell, and export an updated CSV. Your file stays on your device. JSON to CSV Paste JSON or choose a file, turn nested records into columns, inspect the table preview, and download a CSV. The conversion runs in your browser. CSV to JSON Convert a CSV table into an array of JSON objects. Upload or paste CSV, choose delimiter and encoding if needed, preview the result, and download JSON. CSV to Excel Turn a CSV into a real XLSX workbook. Choose the source encoding and delimiter, check the table preview, then download the spreadsheet locally.

Choose the next step for your data

Start with the CSV viewer when you want to inspect columns or repair a cell. Choose the chart maker when a visual comparison will explain the numbers more clearly. If another application needs a different file format, convert JSON to CSV, CSV to JSON, or CSV to an Excel workbook. Each page provides a preview and a download so you can check the result before using it elsewhere.

These tools run in your browser. Files are read on your device rather than sent to a conversion service. Check encoding and delimiters for CSV, keep a header row, and review the preview before exporting. For very large files, split the source into smaller batches when browser memory is limited.