Text Transformers
About Introduce Errors
Introduce Errors is a free online text transformer from Toolbench. Randomly change letters to create realistic typos. Paste your text and the result updates instantly as you type or change the options.
- Category
- Text Transformers
- Price
- Free
- Account
- Not required
- Runs
- Entirely in your browser
How to use Introduce Errors
- Paste or type your text into the input box.
- Adjust the options (error rate %).
- Copy the result, or click “use output” to chain another transformation.
Example
With the default settings, this input:
The quick brown fox jumps over the lazy dog. It was a sunny day!
Indented line here.
Short linebecomes:
zhe quick brown fox jumps over the lazy dog. jt tas a sunny day!
Indennted line here.
Short llineOptions
| Error rate % | Default: 5 |
|---|
Privacy
Everything runs in your browser: what you type or paste is processed by JavaScript on your device, not on a server. If you are signed out, nothing is saved at all. If you sign in with Google, your inputs and settings are saved privately to your account so they sync across devices.
Frequently asked questions
Is Introduce Errors free?
Yes. Introduce Errors is completely free with no sign-up, no usage limits and no watermarks.
Is my data private?
Yes. Introduce Errors processes everything in your browser. Signed out, nothing is saved; signed in, your inputs sync privately to your own account.
Can I apply several transformations in a row?
Yes. All text transformers share the same input, so you can run one, click “use output” to make the result the new input, then pick another transformer.
Does it work on my phone?
Yes. Toolbench runs in any modern browser on desktop, tablet or phone — there is nothing to install.
Related text transformers
- Replace WordsSubstitute a word or phrase with another.
- Add Random WordsInsert random words at random positions.
- Add Random LettersInsert random letters into words.
- Generate Fake TextSwap letters for look-alike Unicode characters (homoglyphs).
- Unfake TextConvert look-alike characters back to regular text.
- Check If Text Is FakeDetect homoglyphs and hidden characters.
- Remove Random LettersDelete random letters from words.
- Remove Random SymbolsDelete random punctuation and symbols.
Last updated