Simple script to find VocaDB/TouhouDB/UtaiteDB entries from URLs; a reverse search tool. Licensed under MIT.

TouhouDB Reverse Search Bookmarklet.txt

javascript:fetch('https://touhoudb.com/api/songs/findDuplicate?pv[]='+document.location).then((t=>t.json())).then((t=>{t.matches.length>0&&(document.location='https://touhoudb.com/S/'+t.matches[0].entry.id)}));

TouhouDB Reverse Search.js

fetch("https://touhoudb.com/api/songs/findDuplicate?pv[]=" + document.location)
	.then((res) => res.json())
	.then((res) => {
		if (res.matches.length > 0)
			document.location = "https://touhoudb.com/S/" + res.matches[0].entry.id
	})

UtaiteDB Reverse Search Bookmarklet.txt

javascript:fetch('https://utaitedb.net/api/songs/findDuplicate?pv[]='+document.location).then((t=>t.json())).then((t=>{t.matches.length>0&&(document.location='https://utaitedb.net/S/'+t.matches[0].entry.id)}));

UtaiteDB Reverse Search.js

fetch("https://utaitedb.net/api/songs/findDuplicate?pv[]=" + document.location)
	.then((res) => res.json())
	.then((res) => {
		if (res.matches.length > 0)
			document.location = "https://utaitedb.net/S/" + res.matches[0].entry.id
	})

VocaDB Reverse Search Bookmarklet.txt

javascript:fetch('https://vocadb.net/api/songs/findDuplicate?pv[]='+document.location).then((t=>t.json())).then((t=>{t.matches.length>0&&(document.location='https://vocadb.net/S/'+t.matches[0].entry.id)}));

VocaDB Reverse Search.js

fetch("https://vocadb.net/api/songs/findDuplicate?pv[]=" + document.location)
	.then((res) => res.json())
	.then((res) => {
		if (res.matches.length > 0)
			document.location = "https://vocadb.net/S/" + res.matches[0].entry.id
	})