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CSV and TSV delimiter converter

Convert CSV to TSV or change a comma, semicolon, tab or pipe delimiter. Keep separators inside quoted field values intact.

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5 MiB per input · 50,000 records · 200 columns

Adjust your options

Spreadsheet-safe export can change formula-like cells by adding an apostrophe. Turning it off preserves raw values; use raw exports only in a trusted importer.

No sign-up. No upload.

A QUICK WALKTHROUGH

How to use this tool

  1. Choose the source delimiter and header mode.
  2. Select the output delimiter, quoting and line-ending preferences.
  3. Convert and check a few fields that contain punctuation before exporting.

How it works

The tool parses records first and serializes each field with the new delimiter. A field is quoted if it contains that delimiter, a quote or a newline; internal quotes are doubled. Quote-every-field and CRLF options support stricter import systems. A UTF-8 BOM can help some applications detect encoding.

A practical example

Start with

name,note
Ada,"Hello, world"

What to expect

With semicolon output: name;note
Ada;Hello, world

Important considerations

Global find-and-replace changes commas inside values and corrupts tables. This converter separates structure from content. A BOM is an encoding marker, not a visible header character.

5 MiB per input · 50,000 records · 200 columns. Input remains in page memory until you reset or leave. Copy and download actions are initiated by you. No tool input is sent to a processing service.

One more useful detail

Can I choose any delimiter?

This release supports comma, semicolon, tab and pipe. Multi-character separators are not supported.