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Text Cleaner

Keep only the kinds of character you choose and drop the rest.

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Removed, by category

Nothing removed.

Quick Tool Overview

The Text Cleaner works by whitelist rather than blacklist: you choose which Unicode character categories are allowed and everything else is removed. That is a guarantee rather than a set of fixes, which is what a strict downstream character policy actually needs.

What it does
Keeps only the character categories you allow
You give it
Data or a value with a strict character policy
You get back
Text containing nothing outside your allowed set
Best for
Guaranteeing compliance with a validation rule
Text Tools Free, unlimited use No sign-up Runs in your browser

About the Text Cleaner

Most cleaning tools work by listing what to remove, which means you find out what they missed only after something breaks. This works the other way round: you choose which kinds of character to keep, and everything else goes. Nothing unexpected survives.

The categories are the Unicode ones, so the choice is precise rather than approximate: letters, digits, spaces, punctuation, mathematical symbols, currency symbols, emoji and everything else. Letters can be narrowed further to a single script, so a value can be restricted to Latin characters while Cyrillic and CJK are removed. It is the tool to use when a downstream system has a strict character policy and you need to guarantee compliance rather than hope for it.

Key features of the Text Cleaner

Whitelist, not blacklist

Unicode has over a hundred thousand characters, and only a whitelist can guarantee that none of them slipped through.

Real Unicode categories

Letters, digits, punctuation, currency, maths symbols and emoji are separate choices rather than one vague "special characters".

Script restriction

Narrow letters to Latin, Cyrillic, Greek, Arabic or CJK when a field must accept only one alphabet.

Line breaks are their own choice

Keep the document structure while removing every other kind of whitespace, or strip them for a single-line value.

Reports what it dropped

Removed characters are listed by category, so nothing disappears without you seeing it.

How to use the Text Cleaner

  1. 1

    Paste your text

    Data, a form value or a document that has to meet a strict character policy.

  2. 2

    Choose what to keep

    Tick the character categories that are allowed. Everything not ticked is removed.

  3. 3

    Narrow the letters if needed

    Restrict to a single script, or to plain ASCII, when the receiving system requires it.

  4. 4

    Review what was dropped

    The removed characters are listed by category, so nothing disappears without you knowing.

Frequently asked questions

Clean Text fixes the specific artefacts that pasted text carries — smart quotes, broken lines, invisible characters. This filters by character category, keeping only what you allow, which is a guarantee rather than a set of fixes.

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