Does this developer tool upload my input to your servers?

No. These utilities run in your web browser. Your text is processed locally in this tab unless a tool explicitly states otherwise (for example, fetching your public IP uses a minimal server request).

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URL 工具

URL decoder

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hello world

Decode percent-encoded strings to readable text.

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优先同类别，再显示其他实用工具。

Slug generatorSEO-friendly URL slugs from titles — lowercase, hyphenated.URL 工具
URL encode / decodePercent-encode or decode query strings and path components safely in the browser.URL 工具
URL encoderPercent-encode text for safe use in URLs and query strings.URL 工具
URL parserInspect scheme, host, path, query, and hash with the URL API.URL 工具
Case converterlower, UPPER, camelCase, PascalCase, snake_case, CONSTANT_CASE, Train-Case.文本工具
HEX to textDecode hex (with or without separators) back to UTF-8 text.文本工具

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