Developer Tools

Free online tools for developers and writers. Everything runs in your browser — fast, free and private.

JSON Formatter

Format, minify and validate JSON in your browser.

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HTML Formatter

Beautify or minify HTML code in your browser.

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Text Compare

Compare two texts and highlight the differences.

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Character Counter

Count characters, words, sentences and bytes live.

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Word Counter

Count words and check keyword density.

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Why these tools?

Every tool works entirely in your browser: nothing is uploaded to a server, no account is needed and there are no limits. Useful for everyday development and writing tasks.