TOOLS.PERVII.COM
Online PHP functions
Encoding strings
base64_encode
base64_decode
rawurlencode
rawurldecode
urlencode
urldecode
Encryption
md5
sha1
Length of string
strlen
mb_strlen
crc32
Processing strings
nl2br
strrev
Get all headers
exif_read_data
Converts (IPv4)
ip2long
long2ip
CIDR
IPv4 CIDR calculator
IPv4 CIDR to Host Range
IPv6 CIDR to Host Range
ACL - Access Control List
IP Allow, Deny .htaccess
IP Allow, Deny, Reset FreeBSD
uTorrent IPfilter.dat by country