100% free No upload No size limit Instant

Excel tools that just run. Free, instant, private.

Translate a formula from one language version of Excel to another, pull a sheet out to CSV or JSON, paste a table into your docs, or fold several workbooks into one. Every tool runs on your own device, so nothing is uploaded and there is no sign-up. Your spreadsheets stay yours.

Translate a formula Convert Excel to CSV

7 tools, no catch

Pick a tool and start instantly. All run in your browser, all run for free.

Formulas

Excel Formula Translator Translate formula function names between Excel languages.

Convert from Excel

Excel to CSV Converter Turn an XLSX or XLS sheet into clean, delimited CSV. Excel to JSON Converter Convert a sheet to JSON row objects keyed by your headers. Excel to HTML & Markdown Table Turn a sheet into a clean HTML or Markdown table.

Convert to Excel

CSV to Excel Converter Turn a CSV into a real XLSX workbook with typed cells. JSON to Excel Converter Turn a JSON array of objects into an XLSX workbook. Merge Excel Files Combine multiple workbooks into one, or stack matching sheets.

Your spreadsheets are nobody else’s business.

Most converters upload your workbook to a server, gate the download behind a sign-up, or cap how many rows you can convert. We took the opposite path: every tool here works on your own device, so the file never leaves your computer.

Built by CodingEagles
  • Runs on your device, nothing uploaded
  • No account or sign-up
  • Your spreadsheets never leave your computer
  • No row caps or paywalls
  • No ads on the tool
  • Free, with no paid tier

Instant, no round-trip

Tools run the moment you add a file. No upload queue, no API call, no spinner waiting on a server.

Truly private

Your workbooks and data never leave your device, so they are safe for client lists, finance models and confidential work.

No row limits

Because there is no upload, the only limit is your own device, so you can convert large sheets freely.