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Format, prettify, and validate JSON with syntax highlighting.

Validate your JSON and get clear, helpful error messages.

Encode special HTML characters to safe HTML entities.

Decode HTML entities back to readable text.

Encode any text or string to Base64 format instantly.

Decode Base64 encoded strings back to readable text.

Encode a string to be safely used in URLs.

Decode a URL-encoded string back to its original form.

Generate random UUID v4 — single or in bulk.

Generate the MD5 hash of any input text instantly.