Free Online Text Cleaners, Case Converters & Word Counters
Format, count, sanitize, sort, filter, deduplicate, and analyze text strings with zero latency and complete privacy.
Available Tools (42)
View in Full Directory →Ad Copy Character & Limit Validator
Validate character limits and guidelines for Google Ads, Meta/Facebook, LinkedIn, and X/Twitter Ads.
Advanced Case Converter
Convert between snake_case, camelCase, PascalCase, etc.
Anchor Text Diversity & SEO Optimizer
Classify anchor texts into Exact, Partial, Branded, Generic, and Naked URLs to audit link profile balance.
Code Variable Case Converter
Convert identifiers between camelCase, snake_case, kebab-case, and PascalCase.
Character Counter
Count characters with and without spaces, and calculate byte size.
CSV Column Extractor
Extract or reorder specific columns from CSV data.
Duplicate Line Remover
Remove duplicate lines from a list or text.
Email Extractor from Text
Scan and extract all valid unique email addresses from unstructured text.
Email Subject Line & Spam Score Tester
Test email subject lines for spam trigger words, character length, mobile preview cutoff, and open-rate factors.
Find and Replace
Find and replace text with case sensitivity and whole word options.
Blog & Ad Headline Analyzer
Score headlines based on power words, emotional triggers, character length, sentiment, and clickability.
HTML to Markdown Converter
Convert HTML source code and articles into clean Markdown syntax.
Keyword Density & N-Gram Analyzer
Analyze 1-word, 2-word, and 3-word n-gram frequency, density percentage, and keyword stuffing warnings.
Line Counter
Count total lines, empty lines, and non-empty lines in text.
Line Numberer
Add line numbers to text lines with customizable format and padding.
List Randomizer
Shuffle the order of lines in a list.
Lorem Ipsum Generator
Generate placeholder text for your designs.
Markdown Table of Contents Generator
Extract Markdown H1 to H6 headings and generate indented, clickable Table of Contents (TOC) lists.
Markdown Previewer
Live preview your Markdown code.
Markdown to HTML Converter
Convert GitHub Flavored Markdown into clean, exportable HTML code.
Markdown Print & PDF Layout Optimizer
Optimize and format raw Markdown for clean PDF exports and printing with automatic page breaks and print typography.
Google SERP Snippet & Meta Previewer
Simulate live Google Search desktop and mobile snippets with pixel-width measurement and truncation checks.
Passive Voice Detector & Writing Assistant
Detect passive voice verb phrases in text and get actionable suggestions to convert them to active voice.
Prefix & Suffix Adder
Add a custom prefix or suffix to each line of text.
Reading & Speaking Time Calculator
Estimate reading time, speech duration, and text readability metrics.
Readability & Grade Level Calculator
Calculate Flesch Reading Ease, Flesch-Kincaid Grade Level, Gunning Fog, Coleman-Liau, and SMOG scores.
Social Media Unicode Font Formatter
Convert plain text into Unicode bold, italic, monospace, cursive, and gothic font styles for social posts.
Social Share URL & Intent Link Builder
Generate 1-click social sharing links for Twitter/X, LinkedIn, Facebook, WhatsApp, Reddit, and Telegram.
Text Case Converter
Convert text to uppercase, lowercase, and title case.
Corporate Jargon & Cliché Finder
Identify overused business buzzwords, marketing clichés, and fluff words with concise alternatives.
Text Diff Checker
Compare two texts to highlight line differences.
Text Indent Formatter
Indent or un-indent lines of text by tabs or spaces.
Text Reverser
Reverse characters or words in a string.
Text Sentiment & Tone Analyzer
Analyze sentiment polarity, emotional tone, and positive/negative word distributions in real time.
Text Sorter
Sort text lines alphabetically (A-Z, Z-A), numerically, or by length.
Text Trimmer
Remove leading, trailing, and extra whitespace from text.
Text Word Wrap
Wrap text lines at a specified column width.
Twitter / X Thread Splitter & Counter
Calculate weighted 280-character Twitter limits and automatically split long paragraphs into numbered threads.
URL & Link Extractor
Extract and filter all HTTP/HTTPS links from raw text or source code.
URL Slug Generator
Convert titles into SEO-friendly URL slugs.
Whitespace Remover
Remove all spaces, tabs, or newlines from text.
Word Counter
Count words, characters, sentences, paragraphs, and estimated reading time.
Mastering Text Transformation & Content Optimization
Clean, well-formatted text is essential for developers, copywriters, marketers, and SEO specialists. From adjusting casing conventions (camelCase, snake_case, Title Case) to stripping non-ASCII characters and calculating exact reading time metrics, quick text utilities save hours of repetitive manual edits.
Every string tool in this collection provides real-time character, word, sentence, and paragraph counts along with instant copy buttons and memory-efficient algorithms designed for large body text.
Because our string engines process text locally, you can safely sanitize confidential drafts, legal agreements, and raw logs without privacy concerns.
Frequently Asked Questions
Everything you need to know about our free client-side text & string utilities.
Explore Other Categories
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Convert, format, transform, and structure data between JSON, CSV, XML, YAML, SQL, TSV, TOML, and database schemas instantly in your browser.
Calculators & Math Tools
Compute percentages, conversions, bandwidth transfer times, statistical distributions, loan payments, and binary math instantly.
Design & CSS Generators
Create modern CSS animations, glassmorphism effects, box shadows, gradients, color palettes, and SVG code with instant visual previews.