Caesar Cipher
Adjustable-shift Caesar cipher, encode and decode.
Security tools
Client-side security helpers such as hashing, HMAC, and token inspection that run locally in your browser on wowTools—no upload.
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Caesar Cipher
Adjustable-shift Caesar cipher, encode and decode.
HTTP Headers Parser
Parse raw HTTP headers into a structured list.
JWT Decoder
Inspect JWT header and payload locally—no signature verify.
Password Strength Checker
Local entropy and checklist-based password strength check.
PEM Decoder
Inspect PEM structure and Base64 body locally.
ROT13 Cipher
Classic ROT13 letter-shift cipher, encode = decode.
Security Headers Analyzer
Check for missing common security response headers.
Unsigned JWT Builder
Build unsigned JWTs for learning—never for production.
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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?
- wowTools tools are designed to process data in your browser. Individual tools disclose any exception before network use.