Developer Tools

Format, minify, and validate JSON. Runs locally in your browser.

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Encode or decode URL-encoded strings. Runs locally in your browser.

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Encode or decode Base64 strings. Runs locally in your browser.

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Generate SHA-256, SHA-1, and MD5 hashes from text. Runs locally in your browser.

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Generate v4 UUIDs in bulk. Runs locally in your browser.

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Generate strong random passwords with customizable length and character sets.

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Decode JSON Web Tokens (JWT) without verifying signatures. Sensitive data is never sent to a server.

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Convert between CSV and JSON. All processing happens locally in your browser.

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Convert between YAML and JSON in your browser.

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Minify HTML and CSS snippets quickly in your browser.

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Test JavaScript regular expressions against sample text.

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Convert epoch and date-time strings to UTC, local, and custom timezone offsets. Runs locally in your browser.

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Compare two text inputs with unified and side-by-side diff views.

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Parse URL components, edit query parameters, and rebuild encoded URLs.

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Generate downloadable QR codes as PNG or SVG from text or URLs.

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Beautify or minify XML with parse-error feedback, custom indent size, and optional empty-tag collapsing.

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Beautify HTML with readable indentation and line wrapping for quick editing, debugging, and code review.

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