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Plaintools

Text tools

Client-side text utilities for case conversion, reading levels, and formatting. Nothing leaves your browser.

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Case converter

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

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Readability checker

Calculate Flesch Reading Ease, Flesch-Kincaid Grade Level, Gunning Fog, and reading time estimates client-side.