Free Online Text Tools
Word counting, case conversion, text comparison, summarization, speech synthesis, and more. All tools run entirely in your browser.
All Text Tools
Word Counter
Count words, characters, sentences and paragraphs in text
Text to Speech
Convert any text to natural-sounding speech using your browser's Web Speech API. Select voice, language, rate, and pitch.
Case Converter
Convert text between different cases: uppercase, lowercase, title case, camelCase, snake_case
Text Summarizer
Summarize long articles, documents, or text into key sentences using extractive summarization. Runs entirely in your browser.
Slug Generator
Generate URL-friendly slugs from text
Text Diff
Compare two texts and highlight differences
Palindrome Checker
Check if a word, phrase, or sentence is a palindrome. Ignores spaces, punctuation, and case. Visual forward/backward display.
Anagram Generator
Generate all possible anagrams from a word or short phrase. Instant results for words up to 8 characters.
Text Reverser
Reverse any text — character by character, word order, or reverse each word individually. Instant preview.
ROT13 Cipher
Encode and decode text using ROT13 cipher
100% Client-Side Processing
Every text tool on StackUtils runs entirely in JavaScript in your browser. No text is ever sent to our servers. Your content stays private.