All Tools
52 tools across 8 categories. All free, all in-browser.
Statistics & Analysis
Character count, word count, line count, readability score. Detailed analysis of Japanese character types.
Character Counter
Count fullwidth, halfwidth characters and character types in detail.
Word Counter
Instantly count words, lines, sentences and paragraphs.
Line Counter
Count lines, paragraphs and sentences at once.
Frequency Analysis
Rank characters and words by frequency of occurrence.
Japanese Char Ratio
Visualize the ratio of hiragana, katakana, kanji, and alphanumeric characters.
Whitespace Stats
Analyze spaces, tabs, and line endings in detail.
Unique Characters
List all unique characters in text with their Unicode code points.
Readability Score
Score your text readability using Flesch-Kincaid and other metrics.
Case Conversion
camelCase, snake_case, fullwidth↔halfwidth, hiragana↔katakana, romanization, line sorting.
Case Converter
Convert between UPPER, lower, Title, camelCase, PascalCase, snake_case, kebab-case.
Fullwidth ↔ Halfwidth
Convert between fullwidth and halfwidth characters for alphanumerics, symbols and katakana.
Hiragana ↔ Katakana
Convert between hiragana and katakana scripts.
Romaji Converter
Convert hiragana/katakana to Hepburn or Nihon-shiki romaji.
Reverse Text
Reverse text by character, word, or line.
Line Sorter
Sort lines alphabetically, by length, numerically or randomly.
Remove Duplicate Lines
Remove duplicate lines and produce a unique list.
Trim & Remove Blank Lines
Remove blank lines and trim leading/trailing whitespace from each line.
Split & Join
Split by character count, delimiter-based splitting, text→CSV/JSON/NDJSON, newline to array.
Split by Length
Split text into chunks of a specified character length.
Split by Delimiter
Split text by comma, tab, pipe, or any custom delimiter.
Text to CSV
Convert newline-delimited text to CSV with configurable columns.
CSV to JSON
Convert CSV to JSON array or NDJSON format.
JSON to CSV
Convert JSON arrays to CSV with auto-generated headers.
Lines to JSON Array
Convert each line to a JSON array element.
Export as ZIP
Bundle text results into a ZIP file for download.
Base64 Encode/Decode
Encode and decode text or files to/from Base64.
URL Encode/Decode
Percent-encode and decode URLs.
HTML Entities
Escape and unescape HTML special characters to/from entities.
Unicode Escape
Convert characters to \uXXXX Unicode escape sequences.
HEX / ASCII / Binary
Convert text between HEX, ASCII codes, and binary (01) strings.
ROT13 / ROT47
Apply ROT13 or ROT47 substitution cipher.
Morse Code
Encode and decode Morse code. Supports audio playback.
Binary Code
Convert text to/from binary (01) strings based on ASCII/UTF-8.
Crypto & Security
MD5, SHA1, SHA256, SHA512 hash generation, HMAC, AES-GCM symmetric encryption. Native Web Crypto API.
Hash Generator
Generate MD5, SHA1, SHA256, SHA512 hashes. Uses Web Crypto API.
HMAC Generator
Generate HMAC-SHA256/512 with a secret key.
AES Encrypt / Decrypt
Encrypt and decrypt text with AES-GCM using a password. Auto-generates random IV.
File Hash Checker
Drag and drop files to compute and verify their hash values.
Password Generator
Generate secure passwords with custom length and character sets. Includes strength meter.
Random IV / Key Generator
Securely generate random IVs and keys for cryptographic use.
Generators
Lorem Ipsum, UUID, NanoID, password generator, bulk dummy data generation with JSON/CSV output.
Lorem Ipsum Generator
Generate dummy text with configurable paragraphs, sentences and words. Supports Japanese.
UUID / NanoID Generator
Generate UUID v4 and NanoID in bulk with format options.
Random String Generator
Generate random strings with custom length and character set.
Dummy Data Generator
Generate fake names, addresses, emails, phone numbers. Export as JSON or CSV.
Extract & Search
URL, email, phone, IP extraction, regex live preview, string highlight, bracket content extraction.
Regex Tester
Test regular expressions with live match highlighting and capture groups.
Extract URLs / Emails / IPs
Extract URLs, email addresses, phone numbers and IP addresses from text.
Bracket / Quote Extractor
Extract content from parentheses, brackets, braces, and quotes.
Search & Highlight
Search for strings in text and highlight all matches.
Cleanup
HTML tag removal, special character deletion, line ending normalization, comment removal, JS/CSS minify.
Strip HTML Tags
Remove all HTML tags and convert to plain text.
Remove Special Chars
Remove symbols, control characters, and zero-width characters.
Normalize Line Endings
Convert between CRLF, LF, and CR line endings.
Collapse Whitespace
Compress multiple consecutive spaces and tabs into a single space.
Remove Comments
Remove // and /* */ style comments from code.
Code Minifier
Minify JavaScript and CSS by removing comments and collapsing whitespace.
Zero-Width Character Detector
Detect and remove zero-width spaces and invisible Unicode characters.