For the complete documentation index, see llms.txt.

50 endpoints

Text API

Word / character / line counters, whitespace, case, encoding. Same bearer token, same credit pool, same JSON envelope as every other endpoint — drop them into apps, sites, workflows, or agents without rebuilding formulas, validation, or docs.

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Analysis

Character Countercharacter-counter

Count characters, letters, digits, whitespace, and punctuation.

1cr · v2026-04-22

Compare Two Stringscompare-two-strings

Compare two strings with equality, similarity, edit distance, and diff statistics.

1cr · v2026-04-22

Find Longest Linefind-longest-line

Rank text lines by character, word, or byte length and return the longest lines.

1cr · v2026-04-22

Line Counterline-counter

Count total / non-empty / empty lines and longest-line length.

1cr · v2026-04-22

Lipogram Checkerlipogram-checker

Check whether text avoids one or more forbidden letters.

1cr · v2026-04-22

Pangram Checkerpangram-checker

Check whether text contains every letter A through Z.

1cr · v2026-04-22

Sentence Countersentence-counter

Count sentences and classify sentence type and basic complexity.

1cr · v2026-04-22

Word Counterword-counter

Count words, characters, sentences, paragraphs, reading/speaking time, top words.

1cr · v2026-04-22

CSS

CSS Beautifiercss-beautifier

Format compact CSS with indentation and line breaks.

1cr · v2026-04-22

Case

Text Case Converterlowercase-uppercase-letters

Convert text to uppercase, lowercase, title, sentence, camel, snake, kebab, and related cases.

1cr · v2026-04-22

Title Case Convertertitle-case-converter

Convert text to title case using smart, APA, Chicago, MLA, AP, or simple capitalization rules.

1cr · v2026-04-22

Cipher

Caesar Cipher Toolcaesar-cipher-tool

Encrypt or decrypt text with a Caesar shift cipher, with optional brute-force candidates.

1cr · v2026-04-22

Cleanup

List Cleanerlist-cleaner

Trim, deduplicate, remove blanks, and optionally sort list lines.

1cr · v2026-04-22

Smart Quotes Removersmart-quotes-remover

Replace curly smart quotes and primes with straight quotes, with JSON-safe escaping.

1cr · v2026-04-22

Comparison

Diff Checkerdiff-checker

Compare two texts line by line and return change statistics with a unified diff.

1cr · v2026-04-22

Conversion

Number to Word Converternumber-to-word-converter

Convert a decimal number to English cardinal, ordinal, or currency words.

1cr · v2026-04-22

Deduplication

Remove Duplicate Linesremove-duplicate-lines

Remove duplicate text lines while keeping first, last, or only unique occurrences.

1cr · v2026-04-22

Encoding

Morse Code Decodermorse-code-decoder

Decode International Morse Code to text (single space between letters, three spaces between words).

1cr · v2026-04-22

Morse Code Generatormorse-code-generator

Convert text to International Morse code with character breakdown.

1cr · v2026-04-22

Formatting

ASCII Art Generatorascii-art-generator

Generate deterministic ASCII banner art from short text.

1cr · v2026-04-22

Markdown Table Generatormarkdown-table-generator

Turn delimited rows into a padded Markdown table with auto-detected delimiter, optional header row, and left, center, or right column alignment.

1cr · v2026-04-22

Generators

Buzzword Bingo Generatorbuzzword-bingo-generator

Generate a deterministic buzzword bingo board from a term list and seed.

1cr · v2026-04-22

Lines

Reverse Linereverse-line

Reverse the characters in each line of text.

1cr · v2026-04-22

Lists

List Difference Calculatorlist-difference-calculator

Compare two line-based lists and return differences, intersection, and union.

1cr · v2026-04-22

Modification

Add Line Numbersadd-line-numbers

Add configurable line numbers to the start or end of each text line.

1cr · v2026-04-22

Add Prefix and Suffixadd-prefix-and-suffix

Add prefix, suffix, and optional numbering to each text line, word, or delimited item.

1cr · v2026-04-22

Break Line by Charactersbreak-line-by-characters

Insert line breaks at a maximum character count, with smart word-wrap or hard-break modes.

1cr · v2026-04-22

Find and Replace Textfind-replace-text

Find and replace text with literal or regex patterns, case and whole-word options.

1cr · v2026-04-22

Remove Accentremove-accent

Remove accents and combining marks from Unicode text.

1cr · v2026-04-22

Remove Line Numbersremove-line-numbers

Strip numeric prefixes such as line numbers from each line of text.

1cr · v2026-04-22

Remove Lines Containingremove-lines-containing

Keep or remove lines matching a text, word, prefix, suffix, or regex pattern.

1cr · v2026-04-22

Remove Punctuationremove-punctuation

Remove or replace selected punctuation categories from text.

1cr · v2026-04-22

Reverse Linesreverse-lines

Reverse the order of lines in a text block.

1cr · v2026-04-22

Reverse Textreverse-text

Reverse whole text, word order, each word, or line order.

1cr · v2026-04-22

String Repeatstring-repeat

Repeat a string with separators, optional prefixes, suffixes, and numbering.

1cr · v2026-04-22

Sorting

Sort Lines Alphabeticallysort-lines-alphabetically

Sort text lines alphabetically, naturally, numerically, or by length.

1cr · v2026-04-22

Sort Text By Lengthsort-text-by-length

Sort text lines by character length with basic line statistics.

1cr · v2026-04-22

Subtitles

CSV to SRT Convertercsv-to-srt

Convert CSV subtitle rows with start, end, and text columns to SRT.

1cr · v2026-04-22

SRT to CSV Convertersrt-to-csv

Convert SRT subtitle content to CSV rows.

1cr · v2026-04-22

SRT to TXT Convertersrt-to-txt

Extract plain, timestamped, JSON, or sentence text from SRT subtitles.

1cr · v2026-04-22

Text Conversion

Word to Phone Number Converterword-to-phone-number-converter

Convert words and phrases into T9 keypad phone numbers.

1cr · v2026-04-22

Text Modification

Text Repeattext-repeat

Repeat text multiple times with separators, numbering, and case options.

1cr · v2026-04-22

Upside Down Text Generatorupside-down-text-generator

Flip text upside down using Unicode character mappings.

1cr · v2026-04-22

Text Statistics

Syllable Countersyllable-counter

Count syllables per word, line, and text with haiku detection and Flesch reading ease.

1cr · v2026-04-22

Word Frequency Analyzerword-frequency-analyzer

Analyze word frequency, unique words, lexical diversity, and CSV output.

1cr · v2026-04-22

Whitespace

Remove Empty Linesremove-empty-lines

Remove blank or whitespace-only lines from text and report line reduction statistics.

1cr · v2026-04-22

Remove Leading Trailing Spacesremove-leading-trailing-spaces

Trim leading and trailing spaces or tabs from each line.

1cr · v2026-04-22

Remove Spacesremove-spaces

Strip whitespace: all, extra, leading, trailing, or per-line.

1cr · v2026-04-22

Word Games

Anagram Generatoranagram-generator

Generate letter-permutation anagrams of a word and check whether two words are anagrams.

1cr · v2026-04-22

Pig Latin Translatorpig-latin-translator

Translate English to Pig Latin and back in four dialects with qu-handling, case preservation, and Y rules.

1cr · v2026-04-22