ToolRemove duplicate lines
Dedupe Lines
Remove duplicate lines locally while preserving the first-seen order.
Category
Text Tools
Work with text in the browser: word and character counts, case conversion, diffing, readability scoring, list dedupe and sort, and dozens of quick transforms for cleaning and reformatting text.
Catalog
Browse Text Tools
Count, clean, convert, and analyze text: case, diff, readability, lists, and text transforms.
Text fixUtilityTop pick
Case Converter
Convert text casing
Convert pasted text between lowercase, uppercase, title, sentence, and swap case locally.
DataUtilityTop pick
Dedupe Lines
Remove duplicate lines
Remove duplicate lines locally while preserving the first-seen order.
Text fixUtilityTop pick
Filename Cleaner
Clean pasted filenames
Clean pasted filenames into safer ASCII-first output while preserving extensions locally.
Text fixUtilityTop pick
Fix Wrong Keyboard Layout
Fix mistyped layout
Detect likely mistyped keyboard-layout text and suggest the best correction locally.
Text fixUtilityTop pick
Keyboard Layout Converter
Convert keyboard layouts
Convert pasted text between supported keyboard layouts locally with direct key-map remapping.
Text fixUtilityTop pick
Line Break Normalizer
Normalize line breaks
Normalize mixed line endings into LF or CRLF output locally.
DataUtilityTop pick
Remove Empty Lines
Strip blank lines
Strip blank and whitespace-only lines from pasted text locally.
Text fixUtilityTop pick
Remove Extra Spaces
Collapse extra spaces
Collapse repeated spaces and tabs from pasted text while preserving paragraph structure.
Text fixUtilityTop pick
Slug Generator
Generate clean slugs
Generate clean ASCII slugs from pasted text with dash or underscore separators.
Text fixUtilityTop pick
Smart Quotes Cleaner
Normalize smart quotes
Convert curly quotes, long dashes, and ellipses into plainer ASCII punctuation locally.
DataUtilityTop pick
Sort Lines
Sort text lines
Sort pasted text lines ascending or descending with simple case handling controls.
DataUtilityTop pick
Text Diff
Compare two text blocks
Compare two pasted text blocks with line-first diff and inline word highlights.
Text fixUtilityTop pick
Translit Converter
Transliterate to ASCII
Convert practical multilingual text into Latin ASCII output locally.
Text fixUtilityTop pick
Unicode Cleaner
Clean Unicode trouble chars
Remove invisible or troublesome Unicode characters and normalize text safely locally.
CaseUtility
Alternating Case Converter
Convert to alternating case
Convert text to aLtErNaTiNg CaSe for a mocking or playful effect. Free, in your browser, no upload.
TextUtility
Anagram Checker
Text
Check whether two words or phrases are anagrams, with a normalized letter breakdown and the letters that differ. Free, in your browser, nothing is uploaded.
TextUtility
Bionic Reading Converter
Text
Bold the leading letters of every word to guide your eyes and read faster, with copyable HTML. Free, in your browser, nothing is uploaded.
CaseUtility
Capitalize Each Word
Capitalize each word
Capitalize the first letter of every word (title case). Free, in your browser, no upload.
ListUtility
Change List Separator
Change a list separator
Switch a list between one item per line and a comma-separated line. Free, in your browser, no upload.
CountUtility
Character Counter
Count characters
Count characters with and without spaces, plus words and lines, as you type. Free, in your browser, no upload.
ListUtility
Comma Separator
Comma separate a list
Turn a list with one item per line into a clean comma-separated list. Free, in your browser, no upload.
ExtractUtility
Extract Emails
Extract emails from text
Pull all email addresses out of a block of text. Free, in your browser, no upload.
ExtractUtility
Extract Numbers
Extract numbers from text
Pull all numbers out of a block of text. Free, in your browser, no upload.
ExtractUtility
Extract URLs
Extract URLs from text
Pull all links (URLs) out of a block of text. Free, in your browser, no upload.
Top picks
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