HMAC Generator
HMAC message authentication code generation tool
• HMAC Principle：HMAC is based on hash functions and secret key, provides message integrity and authentication
• Algorithm Selection：Recommend using SHA-256 or higher strength algorithms
• Key Security：HMAC security depends on the confidentiality of the secret key
• Application Scenarios：Commonly used for API signatures, JWT verification, data integrity verification
Key Features
MD5 Hash Generator
Generate MD5 hash values from text
SHA256 Hash Generator
Generate SHA256 hash values from text
SHA1 Hash Generator
Generate SHA1 hash values from text
Hex Encoder/Decoder
Hexadecimal string encoding and decoding tool
Binary Encoder/Decoder
Binary string encoding and decoding tool
AES Encrypt/Decrypt
AES symmetric encryption algorithm tool
RSA Encrypt/Decrypt
RSA asymmetric encryption algorithm tool
Cron Expression Parser
Validate cron syntax and preview upcoming schedules.
JSON to CSV
Convert JSON data to CSV format
JSON to YAML
Convert JSON data to YAML format
JSON to XML
Convert JSON data to XML format
JSON Formatter
Format, validate and minify JSON data
JSON Visualizer
Display JSON data in tree structure
JSON Data Generator
Generate mock JSON data for testing
JSON Diff Comparison
Compare differences between two JSON data
QR Code Generator
Generate custom QR code images
SVG Placeholder Generator
Generate custom SVG placeholder images
Base64 Image Converter
Convert images to Base64 encoding and vice versa
UUID Generator
Generate UUID unique identifiers in batch
Password Generator
Generate secure and reliable random passwords
Base64 Encoder/Decoder
Base64 string encoding and decoding tool
URL Encoder/Decoder
URL string encoding and decoding tool
IP Address Lookup
Query geographical location and network information of IP addresses
Milliseconds Time Converter
Convert between millisecond timestamps and formatted date strings.