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70 working tools

Text & List Tools

Clean, compare and measure content without uploading working data.

Swap Adjacent Words

Swap each adjacent word pair while leaving an unmatched final word in its original position.

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Add Prefix to Text Lines

Prepend an exact prefix to every line for batches, commands, labels or structured lists.

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Add Suffix to Text Lines

Append an exact suffix to every line for delimiters, markup or batch preparation.

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Remove Prefix from Lines

Remove one exact leading prefix from matching lines and leave other rows unchanged.

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Remove Suffix from Lines

Remove one exact trailing suffix from matching lines and leave other rows unchanged.

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Add Prefix to Every Word

Add an exact prefix before each detected word without modifying surrounding punctuation.

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Add Suffix to Every Word

Add an exact suffix after each detected word without modifying surrounding punctuation.

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Remove Empty Lines

Delete blank and whitespace-only lines while preserving the order of all remaining rows.

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Sort Words

Sort detected words alphabetically in ascending or descending locale-aware order locally.

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Unique Word Extractor

Extract the first occurrence of every case-insensitive word and preserve discovery order.

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Duplicate Word Finder

List repeated words with transparent case-insensitive counts sorted by frequency.

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Remove Duplicate Words

Keep only the first case-insensitive occurrence of each word in the pasted text.

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Remove Line Numbers

Strip common numeric line prefixes such as 1., 2) or 003: from pasted rows.

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Letter Frequency Counter

Count Unicode letters case-insensitively and rank characters by frequency and code point.

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Text Entropy Calculator

Calculate Shannon entropy in bits per character from the exact symbol distribution.

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Morse Code Translator

Translate supported Latin text to International Morse code or decode Morse groups locally.

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ROT13 Encoder & Decoder

Apply the reversible ROT13 substitution to Latin letters without changing other characters.

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Caesar Cipher

Shift Latin letters by a selected key for educational encoding and decoding in the browser.

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Vigenère Cipher

Encode or decode Latin letters with a repeated alphabetic keyword for educational use.

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Palindrome Builder

Create a mirrored character sequence from text with an optional shared center character.

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Palindrome Checker

Check whether text is a palindrome after transparent letter-and-number normalization.

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Sort Words by Length

Sort words by character length with a stable alphabetical tie-breaker and selectable order.

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