Commas to Spaces Converter

Replaces every comma in your text (and a following space, if present) with a single space, useful for turning a comma-separated list into plain space-separated words. A free online tool from Staaarter, right in your browser.

Runs locallyUpdated 2026-07-23

Overview

Introduction

Sometimes a comma-separated list needs to become plain space-separated words, for a search query, a tag field that doesn't accept commas, or a simple sentence.

Manually deleting every comma and fixing the resulting spacing by hand is tedious on anything longer than a few items.

What Is Commas to Spaces Converter?

A converter that replaces every comma in your text, along with an immediately following space if present, with a single space character.

It runs entirely client-side as part of this site's String Tools collection, so nothing you paste is ever uploaded to a server.

How Commas to Spaces Converter Works

The tool runs a single regex replace over the input, matching each comma plus an optional following space and substituting one space in its place.

The transformation happens synchronously in JavaScript the moment you type, with no network round trip involved.

When To Use Commas to Spaces Converter

Use it when converting a comma-separated tag or keyword list into plain space-separated words for a search box or space-delimited field.

It's a fast way to strip commas from text without leaving irregular double spaces behind.

Features

Advantages

  • Avoids leaving double spaces where a comma-space pair used to be.
  • Simple, predictable single-pass transformation.
  • Turns both 'a,b' and 'a, b' into the same single-spaced result, so inconsistent spacing in the source is normalized as it converts.

Limitations

  • It doesn't understand CSV quoting, so a comma inside a quoted field is converted just like any other comma.
  • Only one space after each comma is absorbed, so wider gaps in the original text survive into the output.

Examples

Converting a tag list to space-separated words

Input

red, green, blue

Output

red green blue

Each comma-space pair becomes a single space, so no double spaces are left behind.

Best Practices & Notes

Best Practices

  • Run the result through the Extra Space Remover afterward if the original text also had irregular spacing elsewhere.
  • Reach for this when you want a plain word list; if the values need to stay individually addressable, a delimiter that cannot occur inside a value is safer than a space.
  • Check whether any value contains a space before converting, because afterwards an original space is indistinguishable from a converted comma.

Developer Notes

The regex `/, ?/g` matches a comma followed by zero or one literal space and replaces each match with a single space, mirroring the same matching approach used by the Comma to Newline Converter but substituting a space instead of a newline.

Commas to Spaces Converter Use Cases

  • Converting a comma-separated tag list into space-separated words for a search field
  • Turning CSV-style data into a plain space-delimited string for a command-line tool
  • Cleaning commas out of pasted text before further processing

Common Mistakes

  • Using this on quoted CSV data expecting commas inside quotes to be preserved; they aren't, since the tool doesn't parse quoting.
  • Converting a list whose values contain internal spaces, which makes the original value boundaries impossible to recover from the output.

Tips

  • If you need a custom separator instead of a plain space, use the Comma Replacer tool instead.
  • Count the words in the result against the number of values you started with; a mismatch means at least one value had an internal space that now blends in.

References

Frequently Asked Questions