Convert any URL to / from Thunder, Xuanfeng (qqdl) and FlashGet protocols.
Original URL
Thunder (迅雷)thunder://
Xuanfeng (旋风)qqdl://
FlashGet (快车)flashget://
Paste any URL or a thunder:// / qqdl:// / flashget:// / magnet:? / ed2k:// link, click Convert, and every protocol variant appears with copy buttons. Algorithms are the standard ones: Thunder = Base64(“AA” + URL + “ZZ”), Xuanfeng = Base64(URL), FlashGet = Base64(“[url]” + URL + “[url]”). For Chinese / non-ASCII URLs the input is UTF-8 safe via encodeURIComponent. Verification: https://example.com/file.zip → thunder://QUFodHRwczovL2V4YW1wbGUuY29tL2ZpbGUuemlwWlo=