All Categories
Statistics & Analysis
Character count, word count, line count, readability score. Detailed analysis of Japanese character types.
8 toolsCase Conversion
camelCase, snake_case, fullwidth↔halfwidth, hiragana↔katakana, romanization, line sorting.
8 toolsSplit & Join
Split by character count, delimiter-based splitting, text→CSV/JSON/NDJSON, newline to array.
7 toolsEncode / Decode
Base64, URL, HTML entities, Unicode, HEX, Binary, ROT13 and more.
8 toolsCrypto & Security
MD5, SHA1, SHA256, SHA512 hash generation, HMAC, AES-GCM symmetric encryption. Native Web Crypto API.
6 toolsGenerators
Lorem Ipsum, UUID, NanoID, password generator, bulk dummy data generation with JSON/CSV output.
4 toolsExtract & Search
URL, email, phone, IP extraction, regex live preview, string highlight, bracket content extraction.
4 toolsCleanup
HTML tag removal, special character deletion, line ending normalization, comment removal, JS/CSS minify.
7 tools