Security tools
Client-side security helpers such as hashing and token inspection.
Popular in Security
Caesar Cipher
Adjustable-shift Caesar cipher, encode and decode.
- caesar
- cipher
- encode
- decode
HTTP Headers Parser
Parse raw HTTP headers into a structured list.
- http
- headers
- parser
- debugging
JWT Decoder
Inspect JWT header and payload locally—no signature verify.
- jwt
- token
- decode
- security
Password Strength Checker
Local entropy and checklist-based password strength check.
- password
- security
- strength
- entropy
Newest in Security
Caesar Cipher
Adjustable-shift Caesar cipher, encode and decode.
- caesar
- cipher
- encode
- decode
HTTP Headers Parser
Parse raw HTTP headers into a structured list.
- http
- headers
- parser
- debugging
JWT Decoder
Inspect JWT header and payload locally—no signature verify.
- jwt
- token
- decode
- security
Password Strength Checker
Local entropy and checklist-based password strength check.
- password
- security
- strength
- entropy
All Security tools
Caesar Cipher
Adjustable-shift Caesar cipher, encode and decode.
- caesar
- cipher
- encode
- decode
HTTP Headers Parser
Parse raw HTTP headers into a structured list.
- http
- headers
- parser
- debugging
JWT Decoder
Inspect JWT header and payload locally—no signature verify.
- jwt
- token
- decode
- security
Password Strength Checker
Local entropy and checklist-based password strength check.
- password
- security
- strength
- entropy
PEM Decoder
Inspect PEM structure and Base64 body locally.
- pem
- certificate
- csr
- x509
ROT13 Cipher
Classic ROT13 letter-shift cipher, encode = decode.
- rot13
- cipher
- encode
- decode
Security Headers Analyzer
Check for missing common security response headers.
- security-headers
- csp
- hsts
- http
Unsigned JWT Builder
Build unsigned JWTs for learning—never for production.
- jwt
- security
- education
- alg-none
Frequently asked questions
- What security tools are available?
- This category currently includes 8 browser-based security tools. Each tool runs locally whenever possible.
- Do these tools upload my files?
- ToolHub tools are designed to process data in your browser. Individual tools disclose any exception before network use.