Count words, test regex, compare text, convert case, and more.
Text manipulation is one of the most common developer tasks. Whether you're cleaning up user input, testing a regex pattern, comparing two versions of a config file, or converting variable names between camelCase and snake_case, these tools handle it instantly. The collection includes word and character counters, regex testers with match highlighting, text diff tools, case converters, string encoders, Lorem Ipsum generators, and more. These are the kind of small utilities you reach for dozens of times a week — having them all in one place, with no installation and no signup, removes friction from your workflow.
Popular in Text & String Utilities
Count words, characters, sentences, and paragraphs
Free online word counter. Get instant word count, character count, sentence count, and estimated reading time.
Test and debug regular expressions with live matching
Free online regex tester. Write regular expressions and test them against sample text with real-time match highlighting.
Convert text between camelCase, snake_case, and more
Free online string case converter. Transform text between camelCase, PascalCase, snake_case, kebab-case, UPPER_CASE, and more.
All Text & String Utilities
Count words, characters, sentences, and paragraphs
Test and debug regular expressions with live matching
Convert text between camelCase, snake_case, and more
Generate URL-friendly slugs from text
Compare two texts and highlight differences
Generate placeholder text for designs
Sort lines alphabetically and remove duplicates
Reverse text by character, word, or line
Repeat text N times with optional separator
Remove or normalize whitespace in text
Remove duplicate lines from text
Convert text to binary and vice versa
Calculate string length in chars, bytes, and encodings
Truncate text to a specified length with ellipsis
Find and replace text with regex support
Convert text to spoken audio in the browser
Search Unicode characters by name or code point
Detect hidden and invisible characters in text
Generate glitchy Zalgo text with combining characters
Flip text upside down using Unicode characters
Convert text to fancy Unicode styles
Convert numbers to English words
Extract email addresses and URLs from text
Extract specific columns from CSV data
Render text in handwriting-style font on canvas
Generate ASCII art text banners
Visualize regex as a railroad diagram with explanations
Get plain English explanations of regex patterns
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About Text & String Utilities
Count words, test regex, compare text, convert case, and more. All tools in this category run entirely in your browser with no server-side processing. Your data stays on your device.
Each tool is designed for speed and simplicity. Paste your input, configure options if needed, and copy the result with one click. No sign-up, no installation, no limitations.