For the complete documentation index, see llms.txt.

Text API

26 endpoints — Word / character / line counters, whitespace, case, encoding. Same auth, same credit pool, same JSON envelope. Use them directly from apps, content sites, workflows, or agents without rebuilding formulas, validation, and docs for each tool.

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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
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
Deduplication
Remove Duplicate Linesremove-duplicate-lines
Remove duplicate text lines while keeping first, last, or only unique occurrences.
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
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 Textreverse-text
Reverse whole text, word order, each word, or line order.
1cr · v2026-04-22
Sorting
Sort Lines Alphabeticallysort-lines-alphabetically
Sort text lines alphabetically, naturally, numerically, or by length.
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
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
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