URL Encode / Decode - Percent Encoding Online
Free URL codec. Apply encodeURIComponent / decodeURIComponent to URLs or text locally. 100% local, no upload.
About 编码 / 开发
Percent-encode and decode URLs/text locally. This tool runs entirely in your browser locally — no file upload, your privacy is protected, and speed is unaffected by network.
FAQ
Will my files be uploaded?
No. All processing happens locally in your browser; files never leave your device.
Which formats / scenarios are supported?
url encode, url decode, percent encoding, online url, urlencode and more can be done on this page.
Do I need an internet connection?
After the page loads, conversion/computation runs locally and works offline (except features relying on external fonts/libraries).