Text & Writing
Character counter, case converter, markdown editor, and text cleaning utilities
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(CLS Prevention Active · Zero Shift)Available Tools (25)
Character & Byte Counter
Real-time character counter with/without spaces, UTF-8 & EUC-KR bytes, word count, and reading time.
Text & Code Diff Checker
Compare two texts or code files line-by-line and word-by-word with instant diff highlighting.
Case Converter & Naming Styler
Convert text to camelCase, snake_case, kebab-case, PascalCase, UPPERCASE, and Title Case in real time.
Remove Duplicate Lines & Text Cleaner
Remove duplicate lines, purge empty rows, trim whitespace, and join line breaks with commas or spaces.
Korean Romanization & Passport Name Converter
Convert Korean names to official romanized passport spellings and road addresses for overseas shipping.
Invisible Character Detector & Instagram Spacer
Detect & strip hidden zero-width characters (ZWSP, NBSP) and copy invisible spacers for Instagram captions.
Korean & Latin Lorem Ipsum Generator
Generate custom Latin & Korean placeholder dummy text by paragraphs, sentences, or words with HTML tags.
Fancy Unicode Text & Aesthetic Font Generator
Convert text into 15+ aesthetic Unicode styles (Bold, Script, Circled, Gothic, Small Caps) for Instagram & Discord.
Find and Replace Regex Tool
Batch find and replace text or complex RegEx patterns across massive text with instant match counters.
List Alphabetizer & Sorter
Instantly sort line-separated lists alphabetically (A-Z, Z-A), by length, natural numbers, or random shuffle.
Prefix & Suffix Line Adder
Batch prepend prefixes and append suffixes to each text line. Perfect for SQL IN clauses, quotes, and markdown.
Text to Binary, Hex, & ASCII Converter
Real-time bidirectional conversion between plain text and Binary (0101), Hexadecimal, Octal, and ASCII decimals.
NATO Phonetic Alphabet Converter
Instantly translate airline booking codes (PNR), license keys, and names into standard NATO phonetic words.
Readability Score & Grade Level Analyzer
Evaluate text readability, sentence complexity, and target audience grade level using the Flesch-Kincaid formula.
Email, Phone & URL Extractor
Extract emails, telephone numbers, and URLs from raw text with automatic deduplication and CSV export.
Caesar Cipher & ROT13/ROT47 Encoder
Encode and decode Caesar Cipher shifts (1-25), ROT13, and ROT47 with a full 25-shift brute-force table.
Upside Down & Mirrored Text Generator
Flip text upside-down, mirror characters backwards, or generate strikethrough, underline, and bubble unicode fonts.
Word Frequency Analyzer & Word Cloud
Calculate word recurrence rankings, occurrence density percentages, and interactive visual word clouds with stopword filtering.
Korean Hangul Jamo Splitter & Chosung Extractor
Decompose Korean Hangul syllables into initial, medial, and final Jamo phonemes, or extract initial consonants for quizzes.
SEO Friendly URL Slug Generator
Convert article titles with international characters and symbols into clean, hyphenated SEO-optimized URL permalinks.
Hashtag Formatter & Limit Counter
Batch convert keywords to hashtags, deduplicate tags, and audit platform limits (Instagram 30, YouTube 15).
Headline CTR Score Analyzer
Analyze headline length, numbers, power words, and emotional triggers to calculate CTR scores and optimization tips.
Blog Reading Time & Scroll Estimator
Estimate article read time across reading speeds (slow, average, fast), calculate mobile scroll screen depth, and generate HTML badges.
Korean-English Keyboard Typo Fixer
Bidirectionally convert mistyped Korean-English keystrokes using high-performance 2-Bulsik syllabic automata.
Full-width & Half-width Text Converter
Cross-convert full-width Zenkaku alphanumeric characters and half-width Hankaku Katakana with exact Unicode mapping.
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