CSV to Excel

Turn CSV files into a proper Excel workbook — no more broken accents.

Excel → CSVCSV → Excel

Drop files here or click to browseYou can also paste with Ctrl V

How to use CSV to Excel

Are phone numbers with leading zeros kept?

Yes — values like 0912… stay as text.

Which delimiters are detected?

Comma, semicolon and tab are detected automatically.

Is it free?

Yes.

Turn JSON into spreadsheets and spreadsheets into JSON — nested objects flattened, Excel-ready output.

Beautify, minify and validate JSON instantly with syntax highlighting and precise error locations.

Convert text and files to Base64 and back. UTF-8 safe, URL-safe variant and data URL output included.

Turn an image into a Base64 data URI for HTML or CSS — or decode Base64 back into an image.

Convert any color between HEX, RGB, HSL, HSV and CMYK — with shades, palettes and contrast check.

Convert between binary, decimal, hex, octal and any base up to 36 — even huge numbers.