Text Analysis

These tools count and rewrite text at the character level. They include a character counter with manuscript-page, byte, and character-type breakdowns, a word counter that works on Japanese without spaces, conversion between camelCase, snake_case, kebab-case, and other naming conventions, conversion between Arabic and kanji numerals, and the jōyō kanji list organised by school year.

Word Counter (Characters, Words and Reading Time)

A free word counter that updates as you type: words, characters with and without spaces, lines, paragraphs, byte size, reading time and characters left.

Free Japanese Word Counter | Accurate Even Without Spaces

Free Japanese word counter. Japanese has no spaces between words, so an ordinary character counter can't count them correctly. This tool runs morphological analysis right in your browser (nothing is sent to a server) to...

Case Converter — kebab-case, camelCase, snake_case (Free)

Free online tool to instantly convert between kebab-case, camelCase, PascalCase, snake_case, and more. Handy for renaming variables, files, and environment variables in programming.

Number ↔ Kanji Numeral Converter

Convert between Arabic numerals and Japanese kanji numerals. Supports both simple digit-by-digit substitution (一二三) and standard positional notation using 十/百/千/万/億 (百二十三).

Jōyō Kanji List — Elementary School Readings & Stroke Counts (Grades 1–2)

A searchable reference table of the 240 kanji taught in Japanese grades 1 and 2, each with its on'yomi and kun'yomi readings and total stroke count. Filter by reading or grade level.