at present , Whether it's a front-end developer or a personal webmaster , Some code processing tools are often needed , such as : Code comparison , Code formatting , Icon making, etc .
Sometimes it's just in a hurry, but there's no software installed on the computer , Here is a collection of online tools that we often use .

Code comparison / Amalgamation : http://www.matools.com/compare 
regular expression : http://www.matools.com/regex 
js/css compress : http://www.matools.com/compress 
Web 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 
Common fonts for web pages : http://www.matools.com/pageword 
HTML⇆JS: http://www.matools.com/htmljs 
XML⇆JSON: http://www.matools.com/xmljson 
HTML Special symbols : 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 
On line code conversion : http://www.matools.com/codeconvert 
Online decimal conversion : http://www.matools.com/hexconvert 
picture ⇆Base64: http://www.matools.com/img2base64 
Base64 Encoding and decoding : http://www.matools.com/base64 
Text encryption and 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 making : http://www.matools.com/favicon 
Generate QR code : http://www.matools.com/qrcode 
gif Drawing making : http://www.matools.com/gif 
ID card information query : http://www.matools.com/id 
Chinese conversion : http://www.matools.com/zhconvert 
toggle case : http://www.matools.com/upperconvert 
Zip code area code query : http://www.matools.com/postcode 
Scientific calculator : http://www.matools.com/calculator 
Unit Converter : http://www.matools.com/unit 
Chinese character to Pinyin : http://www.matools.com/pinyin 
word count : http://www.matools.com/countChar 
Text de duplication : http://www.matools.com/repeat 
Online answer : http://www.matools.com/exam