開発者ツール
URL をオンラインでエンコード・デコード
Encode special characters into percent-encoded format (%20, %2F, etc.) for safe HTTP query strings, or decode encoded links back to readable URLs.
Processed locally.
Advertisement
Sponsored PlacementGoogle AdSense Integration Ready
URLエンコード・デコード の使い方
1
Choose Mode
Select Encode or Decode.
2
Enter Text
Paste the URL or string to transform.
3
Copy Result
Copy the transformed URL with one click.
URLエンコード・デコード について
Percent-encoding replaces non-ASCII or reserved URI characters with a '%' followed by their two-digit hexadecimal ASCII/UTF-8 representation.
主な機能
- `encodeURIComponent` and `encodeURI` support
- Handles international UTF-8 characters and spaces
- Real-time conversion
- Instant copy to clipboard
よくある質問
In standard URI percent-encoding, space is %20. In application/x-www-form-urlencoded query string encoding, space can also be represented as a plus (+).
関連ツール
もっと見る 開発者ツール ローカル
Base64 Encoder & Decoder
Encode text and files to Base64, or decode Base64 strings back to original format.
開発者ツールツールを開く
ローカル
URL Slug Generator
Convert article titles and headlines into clean, SEO-friendly URL slugs.
SEOツールツールを開く
ローカル
UTM Campaign Builder
Build trackable campaign URLs for Google Analytics with UTM parameters.
SEOツールツールを開く