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URL Encoder/Decoder

Percent-encode special characters in URLs or decode encoded query strings. Supports both encodeURIComponent and full URL encoding modes.

JSON Formatter

Format, validate, and minify JSON with detailed error messages.

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Base64 Encoder/Decoder

Encode or decode Base64 text instantly, with full Unicode support.

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Meta Tag Generator

Generate HTML meta tags with live Google, OG, and Twitter previews.

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HTML Encoder/Decoder

Convert HTML entities (&, <, >) to text and back.

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