Validation
Detect common WCAG 2.1 accessibility issues in HTML, fetched pages, or design images and return fix-ready guidance
accessibility-checkerValidation
Validate ICCID numbers for SIM cards with Luhn checksum and issuer analysis
iccid-validatorValidation
Validate and analyze ID card numbers from various countries with detailed breakdown
id-card-validatorSecurity
Generate hash values (MD5, SHA1, SHA256, SHA512)
hash-generatorSecurity
Encrypt specific fields in Excel files using various encryption methods to protect sensitive information
excel-field-encryptorSecurity
Decrypt specific fields in CSV data using various decryption methods to restore encrypted information
field-decryptorSecurity
Encrypt specific fields in CSV data using various encryption methods to protect sensitive information
field-encryptorSecurity
Hide text in a PNG's least-significant bits, extract it back, and run the Westfeld–Pfitzmann chi-square steganalysis with a falling-p curve and LSB plane preview.
image-steganography-embed-detectValidation
Validate International Securities Identification Numbers (ISO 6166 ISIN) with Luhn check-digit verification, country/issuer prefix and NSIN breakdown.
isin-validatorValidation
Validate ISBN-10 and ISBN-13 book number formats with checksum verification
isbn-validatorValidation
Validate IPv4 and IPv6 addresses with CIDR notation support
ip-address-validatorValidation
Validate IMEI numbers for mobile devices using Luhn checksum algorithm
imei-validator