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TXT · CSV · JSON

Clean text and spreadsheet data in your browser

Clean lists, convert files and compare text without sending your work content to an application server.

Text processed on your device
Files up to 10 MiB

TOOLBOX

What do you want to do?

Clean lists

Remove duplicates

Removes repeated rows from a column or list, just like in Excel.

Removes spaces, blank lines and invisible characters from a column or list.

Check list lines

Count empty lines, duplicate entries and unique values. This does not validate formats.

Prepare tables

Text to columns

Splits data by comma, semicolon, tab or pipe. Turns rows into columns.

Join columns

Combine spreadsheet columns with spaces, commas or other separators.

CSV → JSON

Convert CSV tables into ready-to-use JSON.

JSON → CSV

Turn JSON arrays into spreadsheet-ready CSV.

Excel formula examples

Three templates with English function names: XLOOKUP, UNIQUE + FILTER and COUNTIF. Check your Excel version and language.

Compare and format

Remove text formatting

Paste formatted content and get clean plain text.

Prepare for AI

Number and structure content for prompts.

Compare texts

Show equal, added and removed lines across two texts.

Compare text versions

Review word-by-word changes between a before and after version.

Character counter

Count characters, words and lines with flexible exclusions.

Convert text to uppercase.

Convert text to lowercase.

Capitalize the first letter of each word.

Extract data

Extract phone numbers

Find and list phone numbers inside any block of text.

Extract emails

Find and list email addresses inside any block of text.

Extract postal codes

Find ZIP and postal codes with country-aware matching.

Text processed on your device

Your working content stays on your device

Text and supported files are processed on this device. Their contents are not uploaded to an application server.

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Files up to 10 MiB
TXT · CSV · TSV · JSON · MD

Frequently asked questions

Is it really free?

Yes. The tools are free to use. File uploads have a 10 MiB limit; text and comparison limits are shown when relevant. Available memory also depends on your browser.

Is my data stored?

Text and supported files are processed on this device. Their contents are not uploaded to an application server.