Introduction to Web Utility Tools

Category	Description
Data Generation	Password Generator Generates passwords based on specified conditions. Generates secure passwords based on OWASP guidelines. You can customize and save conditions such as character types and length.
	Hash Calculator Calculates hash values based on specified conditions. Calculates hash values from UTF-8/SJIS text, hexadecimal, or BASE64 input. Supports MD5, SHA-1, SHA-224, SHA-256, RIPEMD-160, BLAKE2, etc. Outputs hash values in hexadecimal or BASE64 format.
	Generate Commands from CSV Generates command lists from CSV based on predefined definitions. Generates predefined commands based on each row in a CSV file. You can embed values from the first and second columns using %1, %2, etc.
Data Validation	Check Digit Generates check digits based on specified conditions.
Data Validation	Password Hash Generates password hashes based on specified conditions.
Data Conversion	Bulk Conversion for Programmers Converts input strings in various ways in bulk. Converts input strings in various ways: URL encoding, JSON/XML/HTML4/5 escaping, UTF8/16/32/Shift_JIS/EUC-JP/ISO-2022-JP encoding, HEX dump/BASE64/UUEncode encoding/decoding, Supports MD5/SHA1/SHA2(224,256), and HEX/BASE64 input.
	BASE64 Conversion Converts between text and BASE64. A tool that can convert not only strings but also binary files like images to BASE64. Supports file upload for conversion and download of converted data.
	Hex Dump Displays strings or files in hexadecimal format.
Encryption	AES Encryption Performs AES encryption and decryption.
Others	ASCII Code Table Displays ASCII codes in decimal/binary/octal/hexadecimal. Control codes are shown using caret notation or language-specific escape characters. Supports half-width kana.
	ASCII Code Table for Programmers Generates code for Java or C# languages. Outputs selected characters as Java/C# strings, character arrays, or numeric arrays (binary/octal/hex). Control codes are shown using caret notation or language-specific escape characters. Supports half-width kana.
	Server Certificate Inspection Allows inspection and download of server certificates. A tool for inspecting and downloading server certificates. Useful when firewall or security software interferes with viewing the original server certificate.