Text Transformers
About Add Random Letters
Add Random Letters is a free online text transformer from Toolbench. Insert random letters into words. 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 Add Random Letters
- Paste or type your text into the input box.
- Adjust the options (words affected %).
- 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:
zThe quick brown fox jumps ovser tthe lazy dhog. It wasg a esunny daty!
Indentedo line here.
Short lineOptions
| Words affected % | Default: 30 |
|---|
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 Add Random Letters free?
Yes. Add Random Letters is completely free with no sign-up, no usage limits and no watermarks.
Is my data private?
Yes. Add Random Letters 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
- Remove SentencesDelete sentences containing a word or phrase.
- Replace WordsSubstitute a word or phrase with another.
- Add Random WordsInsert random words at random positions.
- Introduce ErrorsRandomly change letters to create realistic typos.
- 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.
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