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.