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Keep Only Letters Guide
Learn when to use Keep Only Letters, how to use it correctly, and how to avoid common mistakes.
What this guide covers
Use this keep only letters tool to extract alphabetic characters from mixed text while removing numbers, punctuation, symbols, and other non-letter characters.
This guide explains when to use Keep Only Letters, how to get a cleaner result,
and which mistakes to avoid before moving on to related tools or the main tool page.
Why use Keep Only Letters
Extracts alphabetic text quickly from mixed input.
Useful for cleanup, preprocessing, and label normalization.
Helps isolate words from strings that mix letters with numbers or symbols.
Fast for one-off browser-based text extraction.
How to use Keep Only Letters
Paste or type mixed text into the input box.
Run the tool to keep only letters.
Review the extracted text result.
Copy the output or continue with other text cleanup tools.
Best use cases
Extracting text-only content from mixed identifiers.
Cleaning labels before formatting or matching.
Separating words from strings that contain numbers and symbols.
Preparing alphabetic-only text for preprocessing.
Common mistakes
Expecting spaces to remain.
Fix: This tool keeps letters only, so spaces are removed too.
Wanting digits to remain with letters.
Fix: Use Keep Only Alphanumeric if you want both letters and numbers.
Expecting punctuation to stay.
Fix: This tool removes non-letter characters, including punctuation.
Use the tool
Ready to run Keep Only Letters? Open the main tool page to enter your input,
generate the result, and copy or download the output.