Security, Privacy & Crypto

11 In-Browser Tools

Cryptographic hashing, passwords, token generation, text redactor, PII masker, and barcode generators. Zero cloud uploads — runs locally on your machine in volatile memory.

Subcategories:

Free Barcode Generator (Code 128 & Code 39)

Generate scannable 1D barcodes in Code 128 and Code 39 formats with instant vector SVG and PNG download.

identification

Luhn Algorithm Validator & Check Digit Generator

Validate credit cards, IMEI device IDs, and account numbers using the Luhn modulo 10 checksum algorithm.

cryptography-checksum

Text PII Redactor & Data Anonymizer

Detect and redact sensitive personal information (emails, phone numbers, credit cards, IP addresses, SSN/PAN) from text.

privacy-anonymization

Diceware Cryptographic Passphrase Generator

Generate memorable, high-entropy passphrases using Web Crypto CSPRNG randomness.

passwords

File Checksum Hash Generator (SHA-256, MD5)

Compute cryptographic SHA-256 and MD5 integrity hashes directly from local files using browser Web Crypto.

checksum

Barcode Generator (EAN-13, UPC-A & Code 128)

Generate commercial retail barcodes in EAN-13, UPC-A, and Code 128 formats with checksum validation.

barcodes

Password Entropy & Brute-Force Crack Time Calculator

Calculate password information entropy in bits and estimate brute-force cracking times across consumer GPUs and supercomputers.

cryptography

HMAC-SHA256 & Webhook Signature Generator

Generate cryptographic Hash-based Message Authentication Codes (HMAC) using native Web Crypto API in Hex and Base64.

cryptography

PII Text Redactor & Confidential Data Sanitizer

Locally detect and redact sensitive Personally Identifiable Information (emails, credit cards, phones, SSNs, IPs) from text.

privacy

JWT Payload Inspector & Token Debugger

Decode, inspect, and evaluate JSON Web Tokens (JWT) headers, claims, and expiry timestamps client-side.

security

Bcrypt Cost Factor & Timing Calculator

Calculate hash iterations, server execution latency, and OWASP security recommendations for bcrypt rounds.

security

Security, Privacy & Crypto

11 In-Browser Tools Private

Cryptographic hashing, passwords, token generation, text redactor, PII masker, and barcode generators.

Free Barcode Generator (Code 128 & Code 39)

identification

Generate scannable 1D barcodes in Code 128 and Code 39 formats with instant vector SVG and PNG download.

Luhn Algorithm Validator & Check Digit Generator

cryptography-checksum

Validate credit cards, IMEI device IDs, and account numbers using the Luhn modulo 10 checksum algorithm.

Text PII Redactor & Data Anonymizer

privacy-anonymization

Detect and redact sensitive personal information (emails, phone numbers, credit cards, IP addresses, SSN/PAN) from text.

Diceware Cryptographic Passphrase Generator

passwords

Generate memorable, high-entropy passphrases using Web Crypto CSPRNG randomness.

File Checksum Hash Generator (SHA-256, MD5)

checksum

Compute cryptographic SHA-256 and MD5 integrity hashes directly from local files using browser Web Crypto.

Barcode Generator (EAN-13, UPC-A & Code 128)

barcodes

Generate commercial retail barcodes in EAN-13, UPC-A, and Code 128 formats with checksum validation.

Password Entropy & Brute-Force Crack Time Calculator

cryptography

Calculate password information entropy in bits and estimate brute-force cracking times across consumer GPUs and supercomputers.

HMAC-SHA256 & Webhook Signature Generator

cryptography

Generate cryptographic Hash-based Message Authentication Codes (HMAC) using native Web Crypto API in Hex and Base64.

PII Text Redactor & Confidential Data Sanitizer

privacy

Locally detect and redact sensitive Personally Identifiable Information (emails, credit cards, phones, SSNs, IPs) from text.

JWT Payload Inspector & Token Debugger

Decode, inspect, and evaluate JSON Web Tokens (JWT) headers, claims, and expiry timestamps client-side.

Bcrypt Cost Factor & Timing Calculator

Calculate hash iterations, server execution latency, and OWASP security recommendations for bcrypt rounds.