Developer Tools

Convert CSV files to JSON format with automatic data type detection and validation.

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Format and beautify JSON data with syntax highlighting and error detection.

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Encode text to Base64 or decode Base64 strings back to readable text.

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Convert JSON arrays or objects into CSV with safe quoting and custom delimiters.

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Convert YAML mappings and lists into strict JSON for APIs and configs.

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Pretty‑print or minify XML with validation and clean indentation.

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Encode or decode URLs and query strings using encodeURI/encodeURIComponent.

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Decode JWT header and payload safely without a secret. No verification.

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Test regex patterns with flags, see highlighted matches and groups.

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Convert Markdown to clean HTML with headings, lists, links, and code.

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Convert HTML back to Markdown for docs and content workflows.

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