Encoding
Base64 Encode
Encode plain text into Base64.
Encoding
URL Encode
Percent-encode text so it can be safely dropped into a URL, query string, or form field without breaking the surrounding URL structure.
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 Encode
- 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 world & friends
- 示例输出
- hello%20world%20%26%20friends
工具介绍
Percent-encode text so it can be safely dropped into a URL, query string, or form field without breaking the surrounding URL structure.
工具概览
URLs reserve a small set of characters for structural meaning (?, &, =, /, #, and others). When you want to put arbitrary text inside a URL — for example, a search query, a path segment, or a query-string value — you must percent-encode the reserved and non-ASCII characters. This tool wraps the browser's built-in encodeURIComponent so each non-safe byte becomes %XX.
使用场景
- Use URL Encode when you need fast percent-encode text so it can be safely used inside a url.
- 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 world & friends
输出意图
hello%20world%20%26%20friends
常见问题
When should I use URL encoding?+
Whenever you put user-supplied text into a URL: query parameters, path segments after the first, fragment identifiers, or form-encoded bodies.
What is the difference between encodeURI and encodeURIComponent?+
encodeURIComponent escapes more characters, including reserved URL characters. This tool uses encodeURIComponent because it is safe for any single value.
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