100% local70 tools
Text tools that don't read your text.
Every tool runs entirely in your browser. No sign-up, no limits, no data leaves your device.
remove-duplicate-lineslive
apple
apple
banana
cherry
banana
5 → 3 lines · −2 duplicates
Categories
Basic tools5 tools
Word and character counter · Word frequency counter · Find and replace
Text manipulation10 tools
Sort lines · Add prefix and suffix · Add or remove line breaks
Text cleaning11 tools
Remove extra spaces · Remove duplicate lines · Remove empty lines
Text formatting3 tools
Add line numbers · JSON formatter & validator · Tabs to spaces
Stylish text5 tools
Fancy text generator · Normalize Unicode text · Text decorations
Encoding & conversion8 tools
Base64 encode and decode · URL encode and decode · HTML entities encode and decode
Random generators6 tools
Password generator · Random string generator · Random number generator
Lists & combinations7 tools
List to CSV converter · Compare lists · Random picker
Numbers4 tools
Number to words · Number sequence generator · Roman numeral converter
Developer tools11 tools
Email extractor · Slug generator · QR code generator
Most used
Word and character counterCount words, characters, sentences, paragraphs and reading time in any text.Basic toolsRemove duplicate linesDelete repeated lines from a list and keep only the unique ones.Text cleaningPassword generatorCreate a strong random password in your browser, with no server involved.Random generatorsBase64 encode and decodeConvert text to Base64 and back, with full UTF-8 and URL-safe support.Encoding & conversionCase converterConvert text between twelve formats, from UPPERCASE to camelCase and kebab-case.Basic toolsJSON formatter & validatorFormat, minify and validate JSON, with the exact line and column of any error.Text formattingSort linesSort lines alphabetically, naturally, by length or by leading number.Text manipulationQR code generatorTurn a URL or any text into a QR code you can download as SVG.Developer tools