All Tools

Cleaning

Text Cleaner
Trim, normalize whitespace, remove empty lines.
 Remove Duplicates
Remove duplicate lines; optionally preserve original order.
 dedupe-items
Remove duplicate items from a list.
 Trim Whitespace
Trim leading and trailing spaces on each line.
 Merge Spaces
Collapse multiple spaces/tabs within lines to a single space.
 Empty Lines
Remove or collapse consecutive empty lines.
 Newline Convert
Convert LF ↔ CRLF; optional final newline.
 Tabs ↔ Spaces
Convert tabs ↔ spaces with adjustable width.
 Sort Lines
Sort lines with natural order; optional ignore case/reverse.
 Shuffle Lines
Randomize line order (Fisher–Yates).
 Line Numbers
Add numbers to each line with templates and padding.
 Batch Affix
Add prefix/suffix to each line with templates.
 Punctuation Trim
Fix punctuation spacing, and strip symbols at line edges.
 Wrap Lines
Reflow text to width with CJK-aware logic.
 Smart Indent
Indent/outdent by levels; normalize indent style.
 Join / Split / Sentences
Join lines, split by delimiter or regex, or split sentences.
 Line Length Limit
Limit per-line length; truncate or add ellipsis.
 Dedupe Punctuation
Collapse repeated punctuation; unify ellipsis/dashes.
 Paragraph Merge (CJK-aware)
Merge soft line breaks; avoid extra spaces between CJK characters.
 Facebook Line Breaks
Preserve paragraph breaks for Facebook posts.

Convert

Slugify
Create clean, URL-friendly slugs; optionally keep readable words.
 Typography Normalize
Normalize Unicode, width, quotes, dashes, case; CJK spacing.
 layout
Typography and layout utilities.
 JSON YAML TOML
Convert between JSON, YAML, and TOML.
 HTML XML
Convert or tidy HTML/XML (basic).
 Title Case
AP/Chicago/Sentence case.
 Paragraph Justify
Text-align: justify (naive; ASCII words only).
 block-wrap
Wrap or reflow text blocks to a set width.
 List Normalize
Unify ordered/unordered list formats.
 structured
Structured data helpers (JSON/YAML/TOML).

Language

Simplified Traditional Chinese
Convert between Simplified (zh-Hans) and Traditional (zh-Hant) Chinese; regional idioms supported.
 language
Language and localization tools.
 zh-en-spacing
Fix spacing between Chinese and English text.
 Number Chinese Numerals
Convert numbers to Chinese numerals (lower/upper).
 Japanese Kana Romaji
Convert between Hiragana/Katakana and Romaji.
 Katakana Long Vowels
Normalize or expand Katakana long vowels (ー).
 Korean Hangul Compose/Decompose
Compose or decompose Hangul jamo.
 diacritics-transliterate
Remove diacritics or transliterate to ASCII.
 Punctuation Localization
Chinese/Taiwanese/Japanese/English punctuation mapping.
 Phrase Blacklist Mask
Mask or remove phrases using local list.
 Indic Transliteration
Devanagari ↔ Latin (basic mapping).

Analyze

analysis
Text analysis utilities.
 Text Stats
Count characters, words, lines, bytes.
 Word Frequency
Top-N word counts with optional stopwords.
 Keyword Density
Occurrences / total words (simple exact match).
 duplicate-sentences
Find and remove duplicate sentences.
 Readability (Flesch/FK)
Compute Flesch Reading Ease and Flesch–Kincaid Grade (English).
 garbled-scan
Detect mojibake and encoding issues.

File

file
Displays the file size.
 file-inspect
Inspect file type, encoding, and EOLs.
 batch-rename
Batch rename files using patterns.
 pdf-to-text
Extract text from PDF files.
 doc-epub-rtf
Extract text from DOCX, EPUB, and RTF.
 ZIP: Extract Text
Extract text-like files from a ZIP archive.
 batch-eol
Normalize line endings (LF/CRLF) across files.
 file-detect
Detect file type and character encoding.
 csv-json
Convert CSV to/from JSON.
 csv-tsv-to-json
Convert CSV/TSV to a JSON array.
 format-convert
Convert between common text formats.
 PDF Tools
Extract text or metadata from PDF (client-side).

Data

data
Data conversion and parsing.
 Number Format
Format numbers: thousands, fixed decimals, percent.
 Roman Arabic
Convert between Roman numerals and Arabic numbers.
 Ordinal (en)
Ordinalize integers in text (English).
 digits-map
Map digits between scripts (Latin/Arabic/Devanagari, etc.).
 Units Words ↔ Symbols
Convert unit words to symbols or back (US/GB).
 currency
Format or convert currency values.

Creative

creative
Creative generators and wordplay tools.
 Lorem Generator
Generate random sentences in EN/ZH/JA/KO/HI.
 Palindrome / Mirror
Detect palindrome; mirror or upside-down text.
 anagram
Generate anagrams from words or phrases.
 emoji
Insert, search, or convert emoji and shortcodes.
 ascii-banner
Create ASCII art banners.
 font-styles
Stylize text with decorative Unicode fonts.
 barcode-128
Generate Code 128 barcodes (SVG).
 QR Code (SVG/PNG)
Generate QR codes (v1-L, byte mode). Limit ~17 bytes.

Encoding

encoding
Character encoding utilities.
 URL Encode / Decode
Percent-encode or decode per RFC 3986.
 Base64 Encode / Decode
Base64 with URL-safe option.
 HTML/XML Entities
Encode or decode HTML/XML entities.
 JWT Decode
Decode JWT header and payload (no signature verification).
 Morse Code
Text ↔ Morse code.
 Quoted-Printable
Encode or decode quoted-printable.
 ASCII Hex Binary
Convert between text, hex, and binary.
 CSV / TSV Escape
Escape/unescape CSV and TSV fields.
 Charset Detect / Decode
Auto-detect UTF-8/16/GBK/Shift-JIS and decode.
 Security Tools
Common security utilities.

Programming

regex
Test and apply regular expressions.
 JSONPath Query
Query JSON using JSONPath expressions.
 URL Parser
Parse URL into components.
 UUID & Date/Time
UUID v4/v7 and timestamp/date conversions.
 cron
Parse and describe CRON expressions.
 URL Query Builder
Build and parse URL query strings from key/value pairs.
 Multiline ↔ Single-line
Convert multiline text to single-line escaped string and back.
 String Escape / Unescape
Escape or unescape strings for different programming languages.
 JSON .properties / .env
Convert JSON to/from .properties and .env formats.
 HTML JSX Fragment
Convert between HTML fragment and JSX (naive conversion).
 Template Repeater
Generate repeated templates using placeholders like {{index}}, {{i}}, {{num}}, or {{item.field}}.
 JSON Formatter
Format, minify, and validate JSON.
 Path Regex Tester
Test path-style patterns quickly.
 HTML Tools
Common HTML utilities: minify, pretty-print, strip tags.
 Markdown Table Generator
Build Markdown tables from data quickly.
 Client-side Index
Search/browse local index in your browser.