SECURITY

Hash (MD5, SHA, CRC) Strong Password Generator Captcha Image Recognition UUID Generator Password Protected Zip Archive

DEVELOPMENT

Excel to PHP Array Excel to JSON Excel to SQL (Insert) Excel to HTML Table Excel to Property List(.plist) Bulk QRCode Generation Flatten Dataset to Nested JSON Array from var_dump() serialize() / unserialize()

DEVOPS

Setup SSH Key Login Change Hostname Current IP Address & Location WHOIS Lookup DDNS Send to WhatsApp Number

CONVERSION

Traditional Chinese and Simplified Chinese UNIX Timestamp and ISO Date Time Base64 Encode/Decode Base64 to PDF JSON to CSV Bin to Hex Cheque Amount to Words Nested JSON to Flatten Dataset

OTHERS

SMS Length and Segments Calculator Hong Kong Octopus Card No. Checksum Calculation

EXTERNAL

JSFiddle | test your javascript, css, html moqups | mockup/wireframe tool invision | prototyping tool Regex 101 | regex tester masOS CUPS | default printing settings Google Fonts Awesome JS | a collection of javascript libraries SVG Minify ApexCharts | free js chart library App Icon Generator