Convert Excel to CSV
Turn Excel sheets into plain CSV — free, unlimited, and private. Everything happens in your browser; files are never uploaded.
Drop files here or click to choose
Images, PDF, Word, Excel, PowerPoint, HEIC, CSV, JSON, Markdown & more. Everything converts in your browser — files never leave your device.
About Excel to CSV conversion
Converting Excel to CSV takes one click here, and runs entirely in your browser — the file is never uploaded to a server, processed, and downloaded straight back.
What is a Excel file?
XLSX is the Microsoft Excel workbook format for spreadsheets and tabular data, supporting multiple sheets, formulas, and formatting.
What is a CSV file?
CSV is a plain-text table format that virtually every spreadsheet tool, database, and programming language can read — rows are lines, columns are comma-separated values, no formatting or formulas.
Frequently asked questions
Is it safe to convert Excel to CSV online?
Here, yes — AnyConverter runs entirely in your browser using JavaScript and WebAssembly. Your files are never uploaded to any server, which you can verify by loading the page and then disconnecting from the internet: conversion still works.
How do I convert Excel to CSV?
Drop your Excel file into the box above (or click it to browse), make sure the "to" dropdown shows CSV, press Convert, and download the result — usually in under a second.
Will converting Excel to CSV lose quality?
All values transfer exactly. Formatting, formulas, and multiple sheets are not carried over — the conversion works on the data itself (first sheet only).
Is this converter really free?
Yes — free with no signup, no watermarks, no daily limits, and no file size caps. The site is supported by ads instead of subscriptions.
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