> For the complete documentation index, see [llms.txt](/llms.txt).
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31 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.
[Start free →](/billing/checkout/?plan=free) [View OpenAPI](/v1/docs) [All categories](/tools/)
Analysis
[
Character Counter character-counter
Count characters, letters, digits, whitespace, and punctuation.
1cr · v2026-04-22
](/tools/character-counter/) [
Compare Two Strings compare-two-strings
Compare two strings with equality, similarity, edit distance, and diff statistics.
1cr · v2026-04-22
](/tools/compare-two-strings/) [
Find Longest Line find-longest-line
Rank text lines by character, word, or byte length and return the longest lines.
1cr · v2026-04-22
](/tools/find-longest-line/) [
Line Counter line-counter
Count total / non-empty / empty lines and longest-line length.
1cr · v2026-04-22
](/tools/line-counter/) [
Pangram Checker pangram-checker
Check whether text contains every letter A through Z.
1cr · v2026-04-22
](/tools/pangram-checker/) [
Sentence Counter sentence-counter
Count sentences and classify sentence type and basic complexity.
1cr · v2026-04-22
](/tools/sentence-counter/) [
Word Counter word-counter
Count words, characters, sentences, paragraphs, reading/speaking time, top words.
1cr · v2026-04-22
](/tools/word-counter/)
CSS
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CSS Beautifier css-beautifier
Format compact CSS with indentation and line breaks.
1cr · v2026-04-22
](/tools/css-beautifier/)
Case
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Text Case Converter lowercase-uppercase-letters
Convert text to uppercase, lowercase, title, sentence, camel, snake, kebab, and related cases.
1cr · v2026-04-22
](/tools/lowercase-uppercase-letters/) [
Title Case Converter title-case-converter
Convert text to title case using smart, APA, Chicago, MLA, AP, or simple capitalization rules.
1cr · v2026-04-22
](/tools/title-case-converter/)
Deduplication
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Remove Duplicate Lines remove-duplicate-lines
Remove duplicate text lines while keeping first, last, or only unique occurrences.
1cr · v2026-04-22
](/tools/remove-duplicate-lines/)
Encoding
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Morse Code Generator morse-code-generator
Convert text to International Morse code with character breakdown.
1cr · v2026-04-22
](/tools/morse-code-generator/)
Formatting
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ASCII Art Generator ascii-art-generator
Generate deterministic ASCII banner art from short text.
1cr · v2026-04-22
](/tools/ascii-art-generator/)
Generators
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Buzzword Bingo Generator buzzword-bingo-generator
Generate a deterministic buzzword bingo board from a term list and seed.
1cr · v2026-04-22
](/tools/buzzword-bingo-generator/)
Lists
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List Difference Calculator list-difference-calculator
Compare two line-based lists and return differences, intersection, and union.
1cr · v2026-04-22
](/tools/list-difference-calculator/)
Modification
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Add Line Numbers add-line-numbers
Add configurable line numbers to the start or end of each text line.
1cr · v2026-04-22
](/tools/add-line-numbers/) [
Add Prefix and Suffix add-prefix-and-suffix
Add prefix, suffix, and optional numbering to each text line, word, or delimited item.
1cr · v2026-04-22
](/tools/add-prefix-and-suffix/) [
Remove Accent remove-accent
Remove accents and combining marks from Unicode text.
1cr · v2026-04-22
](/tools/remove-accent/) [
Remove Line Numbers remove-line-numbers
Strip numeric prefixes such as line numbers from each line of text.
1cr · v2026-04-22
](/tools/remove-line-numbers/) [
Remove Lines Containing remove-lines-containing
Keep or remove lines matching a text, word, prefix, suffix, or regex pattern.
1cr · v2026-04-22
](/tools/remove-lines-containing/) [
Remove Punctuation remove-punctuation
Remove or replace selected punctuation categories from text.
1cr · v2026-04-22
](/tools/remove-punctuation/) [
Reverse Text reverse-text
Reverse whole text, word order, each word, or line order.
1cr · v2026-04-22
](/tools/reverse-text/)
Sorting
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Sort Lines Alphabetically sort-lines-alphabetically
Sort text lines alphabetically, naturally, numerically, or by length.
1cr · v2026-04-22
](/tools/sort-lines-alphabetically/)
Subtitles
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CSV to SRT Converter csv-to-srt
Convert CSV subtitle rows with start, end, and text columns to SRT.
1cr · v2026-04-22
](/tools/csv-to-srt/)
Text Conversion
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Word to Phone Number Converter word-to-phone-number-converter
Convert words and phrases into T9 keypad phone numbers.
1cr · v2026-04-22
](/tools/word-to-phone-number-converter/)
Text Modification
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Text Repeat text-repeat
Repeat text multiple times with separators, numbering, and case options.
1cr · v2026-04-22
](/tools/text-repeat/) [
Upside Down Text Generator upside-down-text-generator
Flip text upside down using Unicode character mappings.
1cr · v2026-04-22
](/tools/upside-down-text-generator/)
Text Statistics
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Word Frequency Analyzer word-frequency-analyzer
Analyze word frequency, unique words, lexical diversity, and CSV output.
1cr · v2026-04-22
](/tools/word-frequency-analyzer/)
Whitespace
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Remove Empty Lines remove-empty-lines
Remove blank or whitespace-only lines from text and report line reduction statistics.
1cr · v2026-04-22
](/tools/remove-empty-lines/) [
Remove Leading Trailing Spaces remove-leading-trailing-spaces
Trim leading and trailing spaces or tabs from each line.
1cr · v2026-04-22
](/tools/remove-leading-trailing-spaces/) [
Remove Spaces remove-spaces
Strip whitespace: all, extra, leading, trailing, or per-line.
1cr · v2026-04-22
](/tools/remove-spaces/)
API OPERATIONAL v1 · OpenAPI 3.1 · MCP 2025-06-18
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