What is the difference between this and Base64?

URL encoding replaces unsafe characters with % sequences for use in URLs, while Base64 encodes arbitrary binary data as ASCII text — they serve different purposes.

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URL Encoder / Decoder

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URL Encoder / Decoder

Percent-encode or decode URLs and query string values.

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Plain text or URL

About this tool

Encode special characters and spaces in a URL or query parameter into percent-encoded form, or decode a percent-encoded string back into readable text — handy for debugging links, webhooks and API query parameters.

Examples

"hello world" → "hello%20world"
"a%20b%26c" → "a b&c"

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