Text tools
Clean, format, and analyze text.
Identifier case styles
ANSI Escape Stripper
Remove ANSI color codes and terminal control sequences from CI logs or terminal captures.
Batch Rename Files
Rename many files at once with find/replace, prefix/suffix, sequence numbers, and casing — download as a ZIP.
Comment Style Converter
Translate //, #, --, ;, %, /* */, and <!-- --> comments between languages while preserving indentation.
CSV Cleaner
Detect the delimiter, trim cells, drop empty rows, and normalize messy CSVs into something usable.
Diff Checker
Compare two pieces of text side-by-side with line- and word-level highlighting.
Email Address List Parser
Parse RFC 5322 address lists with display names, quoted strings, comments, and validation.
Find & Replace
Bulk find-and-replace over text with optional regex, case sensitivity, and whole-word matching.
Headline Analyzer
Score a headline on length, structure, and power-word use — see what's pulling its weight.
JSON Formatter & Validator
Pretty-print, minify, and validate JSON.
JSONPath Tester
Query JSON with JSONPath expressions and see the results live.
Keyword Density Checker
Analyse text for word, phrase, and n-gram frequency — see what your content is actually about.
Line Endings Converter
Detect and convert between CRLF (Windows), LF (Unix), and CR (classic Mac) line endings.
Line Sorter & Deduplicator
Sort, reverse, deduplicate, and clean lines of text in any order.
List Cleaner
Reshape lists between newlines, commas, spaces, and JSON arrays — trimming, lowercasing, and deduping along the way.
Lorem Ipsum Generator
Generate placeholder text by words, sentences, or paragraphs.
Markdown ↔ HTML Converter
Convert Markdown to HTML or HTML back to Markdown, with sanitisation in both directions.
Markdown Previewer
Live preview of Markdown with GitHub-flavored syntax.
Postal Address Formatter
Format mailing addresses to country conventions — US, UK, Japan, Germany, Brazil, and more.
Readability Checker
Score your text with Flesch–Kincaid, ARI, Coleman–Liau, and Gunning Fog.
README.md Skeleton
Fill in project name, description, language, and license — emit a clean README with badges and a TOC.
Regex Cheat Sheet & Builder
Browse regex tokens, click to build, and try the result against a sample — all in one place.
Regex Tester
Test JavaScript regular expressions with live match highlighting and capture groups.
Slug Generator
Turn any string into a clean, URL-safe slug with configurable separators and length.
Tabs ↔ Spaces Converter
Convert between tabs and spaces with adjustable width — leading-only or all whitespace.
Text Case Converter
Convert text between UPPER, lower, Title, camelCase, snake_case, kebab-case, and CONSTANT_CASE.
Unicode Codepoint Converter
See any character as U+XXXX, decimal, UTF-8 bytes, JS / Python / Rust escapes, and HTML entities.
UTF-8 BOM Stripper / Adder
Detect, strip, or add the UTF-8 byte-order mark (EF BB BF) to text files.
Word & Character Counter
Count characters, words, sentences, paragraphs, and reading time.
XML Formatter & Validator
Pretty-print or minify XML and validate that it's well-formed.