Encoding
Base64 Encode
Encode plain text into Base64.
Encoding
URL Decode
Turn a percent-encoded URL string back into readable text. Useful for inspecting query strings, server logs, or copy-pasted links.
工具摘要
此工具接收结构化输入，在浏览器中返回确定性输出，无需上传到服务器。
- 工具名称
- URL Decode
- 输入意图
- 提供需要转换、校验或分析的原始内容。
- 输出意图
- 获得可直接复制、复用或排错的规范化输出。
- 示例输入
- hello%20world%20%26%20friends
- 示例输出
- hello world & friends
工具介绍
Turn a percent-encoded URL string back into readable text. Useful for inspecting query strings, server logs, or copy-pasted links.
工具概览
URL decoding reverses percent-encoding: every %XX triple is interpreted as a UTF-8 byte and the result is decoded back to text. This tool wraps decodeURIComponent and surfaces malformed input ("%" without two hex digits, or invalid UTF-8 sequences) as "Invalid URL encoding".
使用场景
- Use URL Decode when you need fast decode a percent-encoded url string back to readable text.
- Handle encoding workflows directly in the browser with no install required.
- Support SEO long-tail intent by covering quick checks, troubleshooting, and one-off conversions.
输入/输出示例
输入意图
hello%20world%20%26%20friends
输出意图
hello world & friends
常见问题
Why does it say "Invalid URL encoding"?+
The input contains a malformed percent escape — for example, % followed by something other than two hex digits, or a sequence that does not decode to valid UTF-8.
Can it decode whole URLs?+
It decodes any percent-escaped string. If you paste a full URL, structural characters like ?, &, = will be left as-is because they are already valid URL characters.
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