These sites are foreign, Code tool network in the domestic is also good, very professional, some tools to share to you:
Code comparison/Merge: Http://www.matools.com/compare
Regular expression: Http://www.matools.com/regex
JS/CSS Compression: Http://www.matools.com/compress
Web page palette: Http://www.matools.com/color
Crontab expression: Http://www.matools.com/crontab
Timestamp conversion: Http://www.matools.com/timestamp
Code formatting: Http://www.matools.com/codeformat
Web page Common fonts: Http://www.matools.com/pageword
Html? Js:http://www.matools.com/htmljs
Xml? Json:http://www.matools.com/xmljson
HTML Special symbol: Http://www.matools.com/specialchar
CSV Turn HTML:HTTP://WWW.MATOOLS.COM/CSV2TB
Less compiler: http://www.matools.com/less
Markdown:http://www.matools.com/markdown
UBB Compiler: Http://www.matools.com/ubb
Online Code conversion: Http://www.matools.com/codeconvert
In-line conversion: Http://www.matools.com/hexconvert
Image? Base64:http://www.matools.com/img2base64
BASE64 encoding decoding: http://www.matools.com/base64
Text Encryption decryption: Http://www.matools.com/encrypt
MD5 Encryption: HTTP://WWW.MATOOLS.COM/MD5
Morse code: Http://www.matools.com/morse
Generate HTPASSWD:HTTP://WWW.MATOOLS.COM/HTPASSWD
HTTP status query: Http://www.matools.com/pagestatus
Port Scan: Http://www.matools.com/port
IP query: HTTP://WWW.MATOOLS.COM/IP
Favicon icon Maker: Http://www.matools.com/favicon
Generate two-dimensional code: Http://www.matools.com/qrcode
GIF image production: Http://www.matools.com/gif
ID information query: http://www.matools.com/id
Chinese simple and complicated conversion: Http://www.matools.com/zhconvert
Case conversion: Http://www.matools.com/upperconvert
Zip Code query: Http://www.matools.com/postcode
Scientific calculator: Http://www.matools.com/calculator
Unit Converter: Http://www.matools.com/unit
Kanji to Pinyin: http://www.matools.com/pinyin
Word Count: Http://www.matools.com/countChar
Text to Weight: http://www.matools.com/repeat
Online Answer: Http://www.matools.com/exam
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