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@derjanb
Last active October 17, 2025 13:06
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#!/usr/bin/env python
# Linux usage: ./extract_tampermonkey_script.py "/home/<USER>/.config/<BROWSER>/Default/Local Extension Settings/<EXTENSION_ID>"
# i.e.: ./extract_tampermonkey_script.py "/home/foo/.config/google-chrome-beta/Default/Local Extension Settings/gcalenpjmijncebpfijmoaglllgpjagf"
# Mac usage: ./extract_tampermonkey_script.py "/Users/<USER>/Library/Application Support/Google/Chrome/Default/Local Extension Settings/<EXTENSION_ID>/"
# i.e.: ./extract_tampermonkey_script.py "/Users/foo/Library/Application Support/Google/Chrome/Default/Local Extension Settings/dhdgffkkebhmkfjojejmpbldmpobfkfo/"
import leveldb
import sys
import re
import json
import codecs
pattern = re.compile("^@source(.*)$")
db = leveldb.LevelDB(sys.argv[1:][0])
for k,v in db.RangeIter():
m = pattern.match(k)
if m:
name = re.sub("[\W\b]", "_", m.groups()[0].strip())
full_name = "%s.user.js" % name
print "Writing to %s" % full_name
content = json.JSONDecoder(encoding='UTF-8').decode(v)['value']
with codecs.open(full_name, 'w', 'utf-8') as text_file:
text_file.write(content)
@KulaGGin
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KulaGGin commented Aug 4, 2025

@guillmz read my comment above. If you didn't back up the folder AppData\Local\Chrome, then you can't recover them, because your chrome installation probably overrode the folder I mentioned above, especially if you installed tampermonkey again and those scripts are not there.

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