Text
9 toolsCount, diff, format, regex replace, Base64, URL encode, transform, line tools and more
Character Counter
Count characters, words, and lines in your text. Supports Japanese and English.Open →JSON Formatter
Format and validate JSON data. Supports pretty print and minification.Open →Text Diff
Compare two texts and highlight the differences between them.Open →Text Editor
A simple browser-based text editor with local file save support.Open →Regex Replace
Search and replace text using regular expressions with flags, real-time preview, and match highlighting.Open →Base64 Encode / Decode
Encode and decode text or binary files to/from Base64. Supports URL-safe mode, Data URL generation, and image preview.Open →URL Encode / Decode
Encode and decode URL strings. Supports query string parsing.Open →Text Transform
Transform text: change case, convert full/half-width, fix line endings, and more.Open →Line Tools
Manipulate lines of text: remove duplicates, sort, strip empty lines, add prefix/suffix, and manage line numbers.Open →Character counting, text diff, JSON formatting, text editing, regex replace, Base64 encode/decode, URL encoding, text transformation (full/half-width, case conversion, line endings), and line tools (remove duplicates, sort, add prefix/suffix) — 9 tools running entirely in your browser.
Use Cases
- —Count characters in a manuscript with strict length limits
- —Quickly diff two texts or config files
- —Reformat and validate malformed JSON into readable output
- —Unify full/half-width characters or convert between camelCase, snake_case and more
- —Remove duplicate lines, sort, or add prefixes and suffixes in bulk
- —Encode or decode URL percent-encoding and Base64 strings instantly
Who It's For
Writers, engineers, data professionals, and anyone who works with text daily
Privacy
Text you enter is processed only in the browser and never sent externally — safe for confidential content.