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📊 Spreadsheet Converters

9 free online converters

Convert between CSV, JSON, XLSX, and other spreadsheet and data formats. Format, validate, and minify code. Fast, free, and secure.

Base64 Encoder

Free online base64 encoder converter. Fast, private, no signup.

CSS Minifier

Free online css minifier converter. Fast, private, no signup.

CSV To JSON

Free online csv to json converter. Fast, private, no signup.

CSV To XLSX

Free online csv to xlsx converter. Fast, private, no signup.

HTML Minifier

Free online html minifier converter. Fast, private, no signup.

JSON Formatter

Free online json formatter converter. Fast, private, no signup.

JSON To CSV

Free online json to csv converter. Fast, private, no signup.

Url Encoder

Free online url encoder converter. Fast, private, no signup.

XLSX To CSV

Free online xlsx to csv converter. Fast, private, no signup.

Frequently Asked Questions

Are these converters free?

Yes, all converters are completely free. No signup, no watermarks, no hidden fees.

Are my files private?

Absolutely. All conversions happen in your browser or on our servers with automatic file deletion. We never store or review your files.

What's the maximum file size?

You can convert files up to 50 MB in size.