Text

Count characters, words, sentences

Count character frequency

Count keyword occurrences

Count item occurrences

Count the occurrence of each text item in a list.

Count all lines in text

Count occurrences of a specific string in text

Batch count the number of lines in multiple text files, supports empty line filtering.

Count word frequency in English text, supports excluding articles, conjunctions, etc.

Count all blank lines in text

Remove duplicate lines

Free online tool to extract duplicate items from a text list.

Quickly batch separate and extract phone numbers by carrier segment.

Extract phone numbers that don't exist in a previous list.

Extract and deduplicate root domains from a batch of URLs.

Deduplicate URL lists based on root domain.

Extract hyperlinks from Excel

Extract URLs from text

Extract image URLs from HTML

Extract URLs from Sitemap XML

Free online tool to extract links, domains, media URLs, query parameters, or filenames from text or HTML, with one-click mode switching.

Free online tool to batch extract phone numbers from text.

Free online tool to batch extract email addresses from text.

Free online tool to batch extract domain names from text.

Free online tool to batch extract IP addresses from text.

Free online tool to batch extract ID card numbers from text.

Free online phone number filtering tool with custom rule-based extraction.

Free online tool to batch extract phone numbers from Excel files.

Extract numbers from text

Extract links from HTML

Extract image URLs

Extract all English words from text

Free online tool to extract specific columns from HTML tables or Excel data.

Free online tool to extract items from a list using mathematical expressions.

Extract numeric values with units from a list and calculate the total sum.

Extract all Chinese characters from text

Extract all filenames from a list of URLs.

Batch extract URL names from a URL list.

Batch extract data matching patterns using regular expressions.

Batch extract specified GET parameter values from URLs.

Replace multiple patterns

Batch replace multiple keywords with a single keyword.

Batch replace text content in Word document files.

Batch replace text content in Excel files.

Batch replace text content in text files.

Sort text lines

Drag and drop to reorder

Sort messy text using a custom-defined text sequence.

Sort Chinese names by Pinyin order, supports name list export to TXT.

Sort a number list in ascending or descending order.

Free online variable-naming converter for camelCase and snake_case, with one-click conversion in both directions and multi-line batch support.

Convert between uppercase and lowercase

Free online random English name generator with gender-based filtering.

Generate non-sequential numbers

Split a text file into multiple files based on content rules.

Convert first letter of each word to uppercase

Convert all English letters to lowercase

Convert English text or paragraphs to uppercase

Convert English sentences into URL-friendly slugs.

Reverse English letter case in text

Free online AES text encryption tool. Enter a password to encrypt text with AES-CBC (random IV, SHA-256 key derivation) -- encrypting the same text twice produces different output each time. Useful for securing sensitive text locally before storage or transfer.

Convert English letters and numbers into bold Unicode characters.

Provides 10+ English text conversion functions including case conversion.

Convert ordinary text into Martian script for fun and creative expression.

Remove all spaces between characters in text content.

Batch MD5 encrypt text list items

Generate unique identifiers

Convert text string to unicode encoding

Convert unicode encoding back to text string

Free online Unicode-to-Chinese tool that batch-converts \u4f60\u597d style Unicode escape sequences back into the original Chinese characters, with a count of characters processed. Useful for decoding Unicode-encoded text found in JSON or JS source files.

Convert unicode escaped Chinese back to characters

Batch convert text characters to decimal Unicode numeric encoding.

Free online AES text decryption tool. Enter the correct password to restore AES-CBC ciphertext to the original text -- a wrong password never yields a plausible-looking result. Use it alongside this site's encryption tool.

Convert between Simplified and Traditional Chinese

Free online tool to convert Chinese characters to Pinyin with tone mark support.

Count Chinese character strokes

Split and recombine Chinese characters

Remove leading/trailing whitespace

Remove line breaks

Merge multiple lines into one

Remove all line breaks

Remove extra incorrect newlines from web documents or OCR results

Batch convert \n symbols to actual newlines

Convert p tag HTML code to text lines with line breaks

Add a blank line after each non-empty line

Add a separator after each line

Batch merge and convert multi-line text into a single line.

Convert text lines into a single line separated by \n newline characters.

Remove first N characters from each line

Convert text to list format

Shuffle list items

Add/remove bullet points

Format text into columns

Free online batch calculator for summing up a list of numbers.

Free online tool to extract specific portions of text by column position.

Scramble data items

Convert list to text

Merge multiple texts

Extract specific rows

Split text by delimiter

Free online tool to split delimited text into Excel-style tabular data.

Free online tool to filter text lists by specified length criteria.

Free online generator for fixed-length text lists. Set a character length and a count, then batch-generate random strings that all share the same length, with optional uppercase, lowercase, digit, and symbol sets. Useful for password samples and test data.

Generate Cartesian products

Convert text into colorful characters with HTML copy support.

Find all lines containing specified keyword

Filter and keep lines not containing specified keyword

Remove the last N characters from each line in a list.

Extract the first N characters from each line in a list.

Extract the last N characters from each line in a list.

Batch delete characters at specified position

Batch keep characters at specified positions in list items.

Split a list into a specified number of groups.

Free online tool to batch mask phone numbers with asterisks for privacy.

Free online tool to restore masked phone numbers by generating all possible combinations.

Free online tool to generate superscript phone numbers for We Chat nicknames.

Free online tool to batch exclude phone numbers containing specific digits.

Generate subscript phone number text for We Chat nicknames.

Format 11-digit phone numbers into 3-4-4 format with custom separator support.

Restore shortened URLs

Generate URLs from patterns

Free online tool to batch generate email addresses based on custom rules.

Convert Thunder/QQ URLs

Convert numbers to Chinese

Batch remove thousand separators from numbers

Convert all numbers to superscript form

Convert all numbers to subscript form

Convert comma-separated money amounts to numeric values

Quick reference for uppercase/lowercase English letters and numbers with one-click copy.

Replace numbers with circled numbers

Parse numeric range into value list

Get all numbers in a range excluding specified numbers.

Batch add leading zeros to a number list.

Remove all leading zeros from numbers.

Parse number range into specific number items

Convert numbers to Chinese currency

Free online tool to fix Chinese garbled text in CSV files by adding BOM header.

Convert HTML table to Excel file

Convert HTML table to CSV file

Quickly convert text or text files to Excel format.

Quickly convert text or text files to CSV format.

Randomly shuffle text

Free online tool to generate fake words that look like real ones.

Generate random numbers

Free online random Chinese name generator for batch generating virtual names.

Free online generator for fun ant-style and chrysanthemum-style text effects.

Combine multiple keyword lists into new long-tail keyword lists

Generate random placeholder paragraph text

Randomly generate dates or times in specified range

Generate personalized online nicknames with decorative wings.

Batch generate incremental text strings using character templates.

Batch generate random license plate numbers from all regions of China.

Convert full/half width characters

Count characters and symbols

One-click comparison tool to find unusual characters in strings.

Replace English letters with circled letters

Convert all English letters in text to miniature small letters.

Convert English letters to square border style

Convert English letters to bracket style

Free online tool to compare two texts and highlight differences.

Free online tool simulating Excel Vlookup to find and match data.

Filter or exclude specific keywords from list

Find and highlight keyword lists within specified text.

Generate all possible long-tail keyword combinations from specified English keywords.

Batch format dates and times to unified format

Repeat text N times

Free online text-cleaning tool that removes extra spaces, blank lines, line breaks, and punctuation with one click.

Free online tool to pad text lines with characters to reach a specified length.

Quick copy to clipboard

Add specified prefix or suffix to each line start or end

Batch remove all comments in brackets from text

Insert specified characters at a designated position in each line of a text list.

Insert a string at or near the end of each text line.

Test regular expressions

Convert half-width characters to full-width characters.

Convert full-width characters to half-width characters.

Extract birth date from ID card

Complete abbreviated city names to full province + city format.

Split text into multiple lines at a fixed character length.

Convert English text to title format

Capitalize first letter of each paragraph

Free online plain-text copy tool that strips rich-text formatting, extra spaces, and line breaks in one click.

Extract the text content from a PDF and export it as a plain text file (.txt). Supports batch conversion.

Turn long text into an image with one click, with support for custom fonts, backgrounds, and layout styles.

Convert text line breaks to HTML BR tags.

Free online tool to convert text strings to binary encoding.

Free online tool to convert binary encoding back to text strings.

Free online tool to convert text to any radix encoding between 2-36.

Free online tool to convert any radix (2-36) encoding back to text.

Compute the intersection (common items) of two text lists.

Compute the difference (subtraction) of two text lists.

Merge two text lists and remove duplicates (union).

Reverse text content order or reverse each line.

Free online tool to merge multiple TXT text files into one.

Free online tool to split large text files into smaller ones by line count.

Free online tool to read TXT, code, SVG, and other text file content.