Text Tools
Language Detector
Detect the programming language of a code snippet by scoring keywords, syntax patterns, extensions and comment styles — top-3 guesses with matched evidence.
Phone Letter Converter
Free online phone letter converter. Convert letters to phone keypad numbers (e.g. 1-800-FLOWERS → 1-800-3569377) and decode phone digits back to possible letters. Supports vanity phone numbers.
Text Analyzer
Character, word and line counts, UTF-8 byte count, top-30 frequency distributions, and Shannon entropy for characters and words.
Case Converter
Convert text between 12 naming conventions. Smart word tokenizer handles camelCase, PascalCase, snake_case, and more.
Text Diff
Compare two texts line by line with a side-by-side view, inline character-level changes, and change statistics.
Text Extractor
Extract emails, URLs, IP addresses, numbers and dates from text in one click, with counts and optional deduplication.
Find & Replace + Text Clean
Search and replace with regex support (capture groups, flags). Plus 10 text cleaning operations: strip HTML, normalize whitespace, convert tabs, and more.
Line Operations
Process text line by line: sort (alphabetical, numeric, by length), deduplicate, reverse, shuffle, trim, number, and add prefixes or suffixes.
Split & Join
Split text by separator, fixed length or regex; join lines with a custom delimiter; rearrange, swap or delete columns from delimited data; remove or re-add line breaks.
Text Transformer
Generate URL-safe slugs, truncate by characters or words, pad strings to a target width, and deduplicate words.
Txt Typesetting
Reformat plain text (TXT) files in your browser: auto-detect chapter headings, first-line indentation, paragraph and line spacing, font choice, blank-line cleanup, and Simplified/Traditional Chinese…
Unicode Converter
Escape text to \uXXXX / \u{...} forms, decode mixed escapes, and inspect every code point: U+ hex, UTF-8 bytes and UTF-16.
Unicode Normalizer
Compare NFC, NFD, NFKC and NFKD side by side, then hunt for invisible or dangerous characters — zero-width, bidi controls, variation selectors — with grapheme cluster counting.
Chinese Acrostic Poem Generator
Compose an acrostic poem from classical five- or seven-character lines matched to your hidden characters, with graceful fallbacks.
Chinese Encoding Converter
Convert between UTF-8 and GB2312 / GBK / Big5 byte encodings with a hex preview and clear notices for unsupported characters.
Martian Text Converter
Turn Chinese text into playful "Martian" symbols and look-alikes with adjustable intensity, and restore it with an approximate result.
Chinese Mojibake Fixer
Detect and repair common UTF-8 / GBK / Big5 misreading chains with scored candidates and a clear fixed / approximate / irreversible status.
Chinese Pinyin Converter
Convert Chinese characters to pinyin with tone marks, plain syllables or initials, with common polyphone words handled in context.
Chinese Stroke Count
Count the strokes of each Han character in a word or whole paragraph, with totals, sorting and a built-in table of common characters.
RMB Uppercase Converter
Convert a number into the formal Chinese financial uppercase (壹贰叁…) used on invoices and cheques, with full yuan, jiao and fen rules.
Markdown Converter - HTML / PDF / DOCX Export Tool
Convert Markdown into a styled HTML document, an image-based PDF or a Word .docx file right in your browser. Live preview with Default / Screen / Print themes, an optional table-of-contents nav…
Markdown Editor - Live Preview, Outline, Autosave Draft
A distraction-free Markdown editor with a live preview, a clickable heading outline, keyboard shortcuts (Ctrl+B/I/K, fences, headings), automatic draft saving in your browser and one-click export to…
Markdown TOC Generator - GitHub Style Table of Contents Tool
Generate a GitHub-compatible nested Markdown table of contents or an HTML nav list from any Markdown document, right in your browser. Chinese headings are kept as-is, duplicate headings get -1/-2…
Markdown Tools
Format Markdown with Prettier rules, render a live preview, minify content, and compare two versions side by side.
Online convert document files to markdown (.md)
Online convert PDF, Word doc/docx, Excel xls/xlsx, PowerPoint ppt/pptx, HTML, CSV, JSON, XML, EPUB,rtf, OpenOffice odt, ods, odp to markdown (.md) file
Fake Identity Generator
Fabricate realistic-looking sample people — Chinese or English names, e-mails, addresses and phone numbers — for test data and mockups.
Lorem Ipsum Generator
Generate classic Lorem Ipsum placeholder copy by paragraph, sentence or word count, with or without the standard opening paragraph.
Password Generator
Strong random passwords (8-128 chars, charset toggles, no look-alikes) or XKCD-style memorable passphrases from a word list.
QR Code Tools
Free online QR code and barcode tools: generate QR codes, decode QR codes, generate barcodes (CODE128/CODE39/EAN-13/UPC-A), WiFi QR, vCard QR, batch QR, styled QR. All in your browser.
Random Color Generator
Generate 1-N random colors as HEX, RGB or HSL swatches — click any tile to copy its code, or copy the whole palette at once.
Random Number Generator
Roll integers or decimals across a range, with counts, uniqueness, decimal places and an optional seed for deterministic output.
Random Text Generator
Pronounceable random words built from syllables or drawn from common word lists, then joinable into sentences and paragraphs.
Cheque Amount to Words Converter — Financial & Banking
Write cheque amounts in formal legal format for 30 international currencies. Produces both the written legal line and numeric courtesy box amount. All processing is local — no data uploaded.
Numbers to Words Converter — English Word Conversion
Convert numbers to spelled-out English words. Supports 30 international currencies, four letter-case modes, and general or cheque formatting. All processing is local — no data uploaded.
A1Z26 Cipher — Letters ⇔ Numbers Encoder (Forward & Reverse)
Convert between letters and numbers using A1Z26 encoding. Forward (A=1..Z=26) and reverse (Z=1..A=26) schemes in uppercase or lowercase. Bidirectional with auto-detection. All local processing.