Password & Token Toolsbrowser
Random Token Generator
Generate a cryptographically secure random token.
● Runs in your browserOpen →
Free Security & Network Tools
Generate safer credentials, inspect authentication data and work with network addressing.
25 free toolsNo adsNo signup
Password & Token Tools
Generate and evaluate passwords, passphrases, PINs and random tokens.
6 tools CollectionHash & Checksum Tools
Generate hashes and compare checksums for text or files.
8 tools CollectionAuthentication & JWT Tools
Inspect JWT data and create common authentication values.
4 tools CollectionIP & Network Tools
Validate and transform IPv4, IPv6 and CIDR network values.
5 tools CollectionDNS & Email Security
Generate SPF and DMARC records for email domains.
2 tools6 tools
View collection →Password & Token Tools
Generate and evaluate passwords, passphrases, PINs and random tokens.
Password & Token Toolsbrowser
Password Generator
Generate a secure random password locally.
● Runs in your browserOpen →
Password & Token Toolsbrowser
Passphrase Generator
Generate a local random multi-word passphrase.
● Runs in your browserOpen →
Password & Token Toolsbrowser
Password Strength Checker
Estimate password entropy without transmitting it.
● Runs in your browserOpen →
Password & Token Toolsbrowser
Password Entropy Calculator
Calculate estimated entropy from an assumed character pool.
● Runs in your browserOpen →
Password & Token Toolsbrowser
Secure PIN Generator
Generate a cryptographically random numeric PIN.
● Runs in your browserOpen →
8 tools
View collection →Hash & Checksum Tools
Generate hashes and compare checksums for text or files.
Hash & Checksum Toolsbrowser
SHA-1 Generator
Calculate a SHA-1 digest with Web Crypto.
● Runs in your browserOpen →
Hash & Checksum Toolsbrowser
SHA-256 Generator
Calculate a SHA-256 digest with Web Crypto.
● Runs in your browserOpen →
Hash & Checksum Toolsbrowser
SHA-384 Generator
Calculate a SHA-384 digest with Web Crypto.
● Runs in your browserOpen →
Hash & Checksum Toolsbrowser
SHA-512 Generator
Calculate a SHA-512 digest with Web Crypto.
● Runs in your browserOpen →
Hash & Checksum Toolsbrowser
File Hash Calculator
Calculate a local cryptographic file digest.
● Runs in your browserOpen →
Hash & Checksum Toolsbrowser
File Checksum Comparator
Compare a file digest with an expected checksum.
● Runs in your browserOpen →
Hash & Checksum Toolsbrowser
HMAC Generator
Create an HMAC using the browser Web Crypto API.
● Runs in your browserOpen →
Hash & Checksum Toolsbrowser
SRI Hash Generator
Generate a Subresource Integrity value for pasted content.
● Runs in your browserOpen →
4 tools
View collection →Authentication & JWT Tools
Inspect JWT data and create common authentication values.
Authentication & JWT Toolsbrowser
JWT Header Viewer
Decode a JWT header without verifying its signature.
● Runs in your browserOpen →
Authentication & JWT Toolsbrowser
JWT Payload Viewer
Decode a JWT payload without verifying its signature.
● Runs in your browserOpen →
Authentication & JWT Toolsbrowser
JWT Expiration Checker
Inspect the exp claim in a JWT.
● Runs in your browserOpen →
Authentication & JWT Toolsbrowser
Basic Auth Header Generator
Generate a Basic Authorization header locally.
● Runs in your browserOpen →
5 tools
View collection →IP & Network Tools
Validate and transform IPv4, IPv6 and CIDR network values.
IP & Network Toolsbrowser
IP Address Validator
Validate IPv4 or basic IPv6 syntax.
● Runs in your browserOpen →
IP & Network Toolsbrowser
Private IP Checker
Check common private and reserved IPv4 ranges.
● Runs in your browserOpen →
IP & Network Toolsbrowser
CIDR to Range
Calculate an IPv4 network and broadcast address.
● Runs in your browserOpen →
IP & Network Toolsbrowser
IPv6 Compressor
Compress zero groups in an IPv6 address.
● Runs in your browserOpen →
IP & Network Toolsbrowser
IPv6 Expander
Expand an IPv6 address into eight groups.
● Runs in your browserOpen →
2 tools
View collection →DNS & Email Security
Generate SPF and DMARC records for email domains.