https://gchq.github.io/CyberChef/

https://cryptii.com/


https://futureboy.us/stegano/decinput.html


https://www.metadata2go.com


https://www.extractmetadata.com/es.html


https://www.sejda.com/es/edit-pdf-metadata



https://29a.ch/photo-forensics


https://codebeautify.org/python-formatter-beautifier


https://beautifier.io/



https://www.cleancss.com/


https://beautifytools.com/


https://md5hashing.net/

https://lelinhtinh.github.io/de4js/

https://www.utf8-chartable.de/unicode-utf8-table.pl?start=61504&names=


python -c 'print(u"\uF066".encode("utf-32"))'