Free text tools online

Write Markdown and see a live, sanitized HTML preview. Tentaco Markdown Previewer: review input and get an instant result — free, no sign-up.

Compare two texts and highlight the differences line by line. Tentaco Text Diff Checker: review input and get an instant result — free, no sign-up.

Generate placeholder text by words, sentences or paragraphs. Tentaco Lorem Ipsum Generator: review input and get an instant result — free, no sign-up.

Encode or decode text with the ROT13 cipher. Tentaco ROT13 Encoder: review input and get an instant result — free, no sign-up.

Count words, characters, sentences and reading time. Tentaco Word & Character Counter: review input and get an instant result — free, no sign-up.

Convert text to 1337 speak. Tentaco Leetspeak: review input and get an instant result — free, no sign-up.

Wrap text at a custom line width. Tentaco Word Wrap: review input and get an instant result — free, no sign-up.

Sort lines alphabetically, numerically or reverse. Tentaco Sort Lines: review input and get an instant result — free, no sign-up.

Translate text to Morse code and back. Tentaco Morse Code Translator: review input and get an instant result — free, no sign-up.

Merge lines with a custom separator. Tentaco Join Lines: review input and get an instant result — free, no sign-up.

Split text by delimiter into lines. Tentaco Split Text: review input and get an instant result — free, no sign-up.

Sort words alphabetically. Tentaco Sort Words: review input and get an instant result — free, no sign-up.

Convert text to Unicode small capitals. Tentaco Small Caps: review input and get an instant result — free, no sign-up.

Add glitchy combining marks to text. Tentaco Zalgo Text: review input and get an instant result — free, no sign-up.

Remove leading and trailing whitespace per line. Tentaco Trim Lines: review input and get an instant result — free, no sign-up.

Generate a word cloud from text. Tentaco Word Cloud: review input and get an instant result — free, no sign-up.

Convert text to UPPER, lower, Title, camelCase, snake_case and more. Tentaco Case Converter: review input and get an instant result — free, no sign-up.

Find and replace text, with regex and case options. Tentaco Find & Replace: review input and get an instant result — free, no sign-up.

Count how often each word appears in text. Tentaco Word Frequency Counter: review input and get an instant result — free, no sign-up.

Estimate how long a text takes to read. Tentaco Reading Time Estimator: review input and get an instant result — free, no sign-up.

Delete duplicate lines from a list, with options. Tentaco Remove Duplicate Lines: review input and get an instant result — free, no sign-up.

Insert breaks every N characters. Tentaco Add Line Breaks: review input and get an instant result — free, no sign-up.

Add text before and after each line. Tentaco Add Prefix & Suffix: review input and get an instant result — free, no sign-up.

Toggle upper and lower case per letter. Tentaco Alternating Case: review input and get an instant result — free, no sign-up.

Encode or decode with the Atbash alphabet swap. Tentaco Atbash Cipher: review input and get an instant result — free, no sign-up.

Encode letters to Baconian A/B patterns. Tentaco Bacon Cipher: review input and get an instant result — free, no sign-up.

Decode 8-bit binary to text. Tentaco Binary to Text: review input and get an instant result — free, no sign-up.

Convert letters to circled bubble characters. Tentaco Bubble Text: review input and get an instant result — free, no sign-up.

Try all 26 Caesar shifts at once. Tentaco Caesar Brute Force: review input and get an instant result — free, no sign-up.

Count letters, digits, spaces and symbols. Tentaco Character Statistics: review input and get an instant result — free, no sign-up.

Collapse extra spaces and trim lines. Tentaco Collapse Whitespace: review input and get an instant result — free, no sign-up.

Count total, empty and non-empty lines. Tentaco Count Lines: review input and get an instant result — free, no sign-up.

Count how often a term appears in text. Tentaco Count Occurrences: review input and get an instant result — free, no sign-up.

Split comma-separated values to lines. Tentaco CSV to Lines: review input and get an instant result — free, no sign-up.

Duplicate every line of text. Tentaco Duplicate Lines: review input and get an instant result — free, no sign-up.

Find repeated paragraphs in text. Tentaco Duplicate Paragraph Finder: review input and get an instant result — free, no sign-up.

Search emojis by keyword. Tentaco Emoji Finder: review input and get an instant result — free, no sign-up.

Find unique domain names in text. Tentaco Extract Domains: review input and get an instant result — free, no sign-up.

Pull all email addresses out of any text. Tentaco Extract Emails: review input and get an instant result — free, no sign-up.

Pull all #hashtags from social posts. Tentaco Extract Hashtags: review input and get an instant result — free, no sign-up.

Find IPv4 addresses in logs or text. Tentaco Extract IP Addresses: review input and get an instant result — free, no sign-up.

Find @mentions in social text. Tentaco Extract @Mentions: review input and get an instant result — free, no sign-up.

Extract all numbers from mixed text. Tentaco Extract Numbers: review input and get an instant result — free, no sign-up.

Find and list all URLs in a block of text. Tentaco Extract URLs: review input and get an instant result — free, no sign-up.

Generate random CSV rows. Tentaco Fake CSV Generator: review input and get an instant result — free, no sign-up.

Generate random JSON test data. Tentaco Fake JSON Generator: review input and get an instant result — free, no sign-up.

Add leading spaces to every line. Tentaco Indent Text: review input and get an instant result — free, no sign-up.

Swap uppercase and lowercase letters. Tentaco Invert Case: review input and get an instant result — free, no sign-up.

Compare two strings and measure edit distance. Tentaco Levenshtein Distance: review input and get an instant result — free, no sign-up.

Prefix every line with a line number. Tentaco Add Line Numbers: review input and get an instant result — free, no sign-up.

Join lines with commas. Tentaco Lines to CSV: review input and get an instant result — free, no sign-up.

Generate lorem ipsum with N words. Tentaco Lorem by Word Count: review input and get an instant result — free, no sign-up.

Align and format markdown tables. Tentaco Markdown Table Formatter: review input and get an instant result — free, no sign-up.

Create markdown table templates. Tentaco Markdown Table Generator: review input and get an instant result — free, no sign-up.

Encode text to Morse code. Tentaco Morse Encoder: review input and get an instant result — free, no sign-up.

Analyze word n-gram frequency. Tentaco N-Gram Analyzer: review input and get an instant result — free, no sign-up.

Spell numbers in English words. Tentaco Number to Words: review input and get an instant result — free, no sign-up.

Check if a word or phrase is a palindrome. Tentaco Palindrome Checker: review input and get an instant result — free, no sign-up.

Format phone numbers for readability. Tentaco Phone Formatter: review input and get an instant result — free, no sign-up.

Encode text with a rail fence cipher. Tentaco Rail Fence Cipher: review input and get an instant result — free, no sign-up.

Generate names, emails and addresses. Tentaco Random Data Generator: review input and get an instant result — free, no sign-up.

Randomly shuffle lines of text. Tentaco Shuffle Lines: review input and get an instant result — free, no sign-up.

Slow, average and fast reading times. Tentaco Reading Time Estimates: review input and get an instant result — free, no sign-up.

Strip diacritics from Unicode text. Tentaco Remove Accents: review input and get an instant result — free, no sign-up.

Strip emoji characters from text. Tentaco Remove Emojis: review input and get an instant result — free, no sign-up.

Strip punctuation from text. Tentaco Remove Punctuation: review input and get an instant result — free, no sign-up.

Repeat text N times with a separator. Tentaco Repeat Text: review input and get an instant result — free, no sign-up.

Reverse the order of words. Tentaco Reverse Word Order: review input and get an instant result — free, no sign-up.

Capitalize the first letter of each sentence. Tentaco Sentence Case: review input and get an instant result — free, no sign-up.

Turn each line into a URL slug. Tentaco Slugify Lines: review input and get an instant result — free, no sign-up.

Convert Markdown to plain text. Tentaco Strip Markdown: review input and get an instant result — free, no sign-up.

Encode text as compact Base64 blob. Tentaco Text Compress: review input and get an instant result — free, no sign-up.

Reverse characters, words or lines in text. Tentaco Text Reverser: review input and get an instant result — free, no sign-up.

Randomly shuffle all characters. Tentaco Shuffle Characters: review input and get an instant result — free, no sign-up.

Convert text to 8-bit binary. Tentaco Text to Binary: review input and get an instant result — free, no sign-up.

Trim spaces and remove empty lines from text. Tentaco Trim Whitespace: review input and get an instant result — free, no sign-up.

Calculate words per minute from pasted text. Tentaco Typing Speed (WPM): review input and get an instant result — free, no sign-up.

Inspect code points and Unicode blocks. Tentaco Unicode Explorer: review input and get an instant result — free, no sign-up.

Normalize Unicode to NFC, NFD, NFKC or NFKD. Tentaco Unicode Normalize: review input and get an instant result — free, no sign-up.

Flip text upside down for fun. Tentaco Upside Down Text: review input and get an instant result — free, no sign-up.

Classic polyalphabetic substitution cipher. Tentaco Vigenère Cipher: review input and get an instant result — free, no sign-up.

Transform, analyze, extract and structure text — find/replace, trim, sort, count and more.

Convert short text to simple ASCII banner art. Tentaco ASCII Art: review input and get an instant result — free, no sign-up.

Generate Markdown tables from CSV or rows. Tentaco Markdown Table: review input and get an instant result — free, no sign-up.

Convert between Arabic numbers and Roman numerals. Tentaco Roman Numerals: review input and get an instant result — free, no sign-up.

Turn titles into URL-safe slugs. Tentaco Slugify: review input and get an instant result — free, no sign-up.

Business letters, cancellations and applications with a DIN 5008 guide. Tentaco Letter Studio: review input and get an instant result — free, no sign-up.

Word counter, case convert, diff, dedupe lines and find-replace — local text utilities.

Create cancellation, dunning, application and general business letters as PDF — DIN 5008 layout, editable fields and instant download.