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DataFormatTools
Text Suite · 12 Tools

Text Developer Tools

Text and regex processing utilities including live regex tester, case converter, duplicate line remover, line sorter, word counter, and text diff.

TEXT TOOL

Regex Tester

Test, evaluate, and debug regular expressions online with live match highlighting, capture groups, regex flags, and syntax explanation.

Live regex pattern matchingFlag controls (g, i, m, s)Capture groups breakdown
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TEXT TOOL

Case Converter

Convert text case online between camelCase, PascalCase, snake_case, kebab-case, UPPERCASE, lowercase, Title Case, and CONSTANT_CASE instantly.

camelCase, snake_case, kebab-casePascalCase & CONSTANT_CASETitle Case & Sentence case
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TEXT TOOL

Remove Duplicate Lines

Remove duplicate lines from text and lists online. Deduplicate rows with case-sensitive matching, whitespace trimming, and empty line removal.

Case-sensitive optionTrim whitespace toggleDuplicate count counter
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TEXT TOOL

Sort Lines

Sort lines of text alphabetically or numerically online. Reorder lists A-Z, Z-A, by line length, or reverse line order in your browser.

Alphabetical (A-Z / Z-A)Natural numeric sortingSort by length
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TEXT METRICS

Word Counter

Count words, characters, sentences, paragraphs, and reading time online in real time. Instant text statistics directly inside your browser.

Live word & character countSentence & paragraph metricsReading & speaking time estimates
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DIFF TOOL

Text Diff

Compare two text snippets or files online with side-by-side visual diffing, character additions, deletions, and line-by-line comparison.

Side-by-side comparisonCharacter-level highlightLine-by-line differences
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CONVERTER

Markdown to HTML

Convert Markdown text and README files to clean HTML markup online with live preview, syntax highlighting, and table support in your browser.

Headings, bold, italic, code blocksInstant live previewCopy & Download
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CONVERTER

HTML to Markdown

Convert HTML markup and web pages to clean Markdown syntax online. Automatically preserve headings, tables, links, and code blocks.

Converts headings, lists, links, boldStrips extra markup tagsInstant conversion
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TEXT METRICS

Character Counter

Count total characters (with and without spaces), letters, bytes, and words online in real time. Perfect for social media and SEO limits.

Characters (with spaces)Characters (without spaces)Byte size calculation
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TEXT METRICS

Line Counter

Count total lines, non-empty lines, blank rows, and character density online in real time. Fast client-side line counter for code, lists, and logs.

Total lines and row countNon-empty lines vs. blank lines breakdownAverage and maximum line length metrics
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TEXT TOOL

Regex Replace Tool

Perform regular expression search and replace operations on text online. Supports capture groups, substitution tokens ($1, $2), and regex flags.

Regex pattern matching with flagsCapture group substitutions ($1, $2)Instant live replacement
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TEXT TOOL

Regex String Escaper

Escape special regular expression characters online (. * + ? ^ $ { } [ ] ( ) | \). Safely escape raw strings for RegExp constructors in your browser.

Escapes all 14 special regex meta-charactersPrevents RegExp syntax crashes and injectionsInstant live character escaping counter
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Client-Side Privacy: All Text processing runs locally inside your browser session. Your input data is never sent to a remote API.