How to use
Run a clean first pass
- Paste a URL, query string, or plain text into the input panel.
- Choose Encode or Decode depending on your need.
- Review the result and click Copy.
URL 編碼 / 解碼器 URL Encoder / Decoder
將 URL 編碼或解碼，處理中文路徑與特殊符號。 Encode or decode URLs — handles CJK paths and special characters.
來源Source
貼上 URL 或文字，選擇編碼或解碼。 Paste a URL or text, choose Encode or Decode.
本機處理local only
貼上文字以開始。Paste a URL to start.
結果Result
結果即時更新，隨時可複製。 The result updates in place and stays ready to copy.
等待轉換Ready for a transform
使用編碼處理特殊符號，或使用解碼還原百分比序列。 Use Encode to escape special characters or Decode to read percent-encoded strings.
模式：編碼Mode: encode
變更：0Changed: 0
片段：0Segments: 0
0 字元0 chars
0 行0 lines
狀態：待命State: idle
如何使用How to use
貼上含有中文字、空格或特殊符號的 URL，點擊編碼即可取得百分比編碼格式；貼上編碼後的字串，點擊解碼即可還原為可讀文字。 Paste a URL containing CJK characters, spaces, or special symbols, click Encode to get the percent-encoded form; paste an encoded string and click Decode to restore readable text.
encodeURI vs encodeURIComponent：本工具使用 encodeURIComponent，會編碼所有特殊字元（包含 / ? & =），適合編碼單一參數值。若需保留完整 URL 結構，請使用 encodeURI（不在此工具範圍內）。
encodeURI vs encodeURIComponent: This tool uses encodeURIComponent, which encodes all special characters including / ? & =, making it suitable for encoding individual parameter values. To preserve full URL structure, use encodeURI (out of scope for this tool).
常見編碼對照：空格 → %20，& → %26，= → %3D，台 → %E5%8F%B0，北 → %E5%8C%97。波浪號 ~、驚嘆號 !、星號 *、引號 '、括號 ( ) 依 RFC 3986 不編碼。
Common encodings: space → %20, & → %26, = → %3D, 台 → %E5%8F%B0, 北 → %E5%8C%97. Tilde ~, exclamation !, asterisk *, apostrophe ', and parentheses ( ) are not encoded per RFC 3986.
Quick guide
Use cases, answers, and nearby tools
Compact below-tool notes that help first-run users and repeated visitors move faster without changing the main interface.
Chinese search: URL 編碼器、URL 解碼器、網址編碼 線上、百分比編碼
Examples
Real jobs this page helps with
- API calls with CJKEncode a URL containing Chinese characters before embedding in an API call or HTML link.
- Reading server logsDecode percent-encoded query strings from server logs to read the original parameters.
FAQ
What people usually want to know
- What is the difference between encodeURI and encodeURIComponent?
- encodeURIComponent encodes all special characters including / ? & =, suitable for single parameter values; encodeURI preserves URL structure characters. This tool uses encodeURIComponent.
- Does any content leave the browser?
- No. All encoding and decoding happen locally in the browser.