secstr

• github: node-security-strings
• NPM: @f0c1s/security-strings
• Command: secstr <input> [--table | --rot13s]

secstr command line utility.

Use v2026.

Installation and Usage

• as code: npm i @f0c1s/security-strings (no idea why you would do that)
• as command: npm i -g @f0c1s/security-strings (Gives you secstr command)

secstr [email protected]

# secstr "[email protected]"
# 
# rot13                [email protected]
# rot47                @?6o6I2>A=6]4@>
# base64.encode        b25lQGV4YW1wbGUuY29t
# base64.decode        ...[This breaks readme.md]...
# escapeJS             one\x40example.com
# escapeHTML           one@example.com
# END

Table

secstr [email protected] --table 

# secstr "[email protected]"
# 
# ┌─────────┬─────────────────┬────────────────────────┐
# │ (index) │       fn        │       fn(input)        │
# ├─────────┼─────────────────┼────────────────────────┤
# │    0    │     'rot13'     │   '[email protected]'    │
# │    1    │     'rot47'     │   '@?6o6I2>A=6]4@>'    │
# │    2    │ 'base64.encode' │ 'b25lQGV4YW1wbGUuY29t' │
# │    3    │ 'base64.decode' │ '¢w\x02±jje\x1Er\x89'  │
# │    4    │   'escapeJS'    │ 'one\\x40example.com'  │
# │    5    │  'escapeHTML'   │ 'one@example.com' │
# └─────────┴─────────────────┴────────────────────────┘
# END

All of the rot13s

secstr [email protected] --rot13s

# secstr "[email protected]"
# 
# rot13                [email protected]
# rot47                @?6o6I2>A=6]4@>
# base64.encode        b25lQGV4YW1wbGUuY29t
# base64.decode        ...[This breaks readme.md]..
# escapeJS             one\x40example.com
# escapeHTML           one@example.com
# { i: 1, rot: '[email protected]' }
# { i: 2, rot: '[email protected]' }
# { i: 3, rot: '[email protected]' }
# { i: 4, rot: '[email protected]' }
# { i: 5, rot: '[email protected]' }
# { i: 6, rot: '[email protected]' }
# { i: 7, rot: '[email protected]' }
# { i: 8, rot: '[email protected]' }
# { i: 9, rot: '[email protected]' }
# { i: 10, rot: '[email protected]' }
# { i: 11, rot: '[email protected]' }
# { i: 12, rot: '[email protected]' }
# { i: 13, rot: '[email protected]' }
# { i: 14, rot: '[email protected]' }
# { i: 15, rot: '[email protected]' }
# { i: 16, rot: '[email protected]' }
# { i: 17, rot: '[email protected]' }
# { i: 18, rot: '[email protected]' }
# { i: 19, rot: '[email protected]' }
# { i: 20, rot: '[email protected]' }
# { i: 21, rot: '[email protected]' }
# { i: 22, rot: '[email protected]' }
# { i: 23, rot: '[email protected]' }
# { i: 24, rot: '[email protected]' }
# { i: 25, rot: '[email protected]' }
# { i: 26, rot: '[email protected]' }
# END

Everything is a table...

secstr [email protected] --rot13s --table

# secstr "[email protected]"
# 
# ┌─────────┬─────────────────┬────────────────────────┐
# │ (index) │       fn        │       fn(input)        │
# ├─────────┼─────────────────┼────────────────────────┤
# │    0    │     'rot13'     │   '[email protected]'    │
# │    1    │     'rot47'     │   '@?6o6I2>A=6]4@>'    │
# │    2    │ 'base64.encode' │ 'b25lQGV4YW1wbGUuY29t' │
# │    3    │ 'base64.decode' │ '¢w\x02±jje\x1Er\x89'  │
# │    4    │   'escapeJS'    │ 'one\\x40example.com'  │
# │    5    │  'escapeHTML'   │ 'one@example.com' │
# └─────────┴─────────────────┴────────────────────────┘
# ┌─────────┬────┬───────────────────┐
# │ (index) │ i  │        rot        │
# ├─────────┼────┼───────────────────┤
# │    0    │ 1  │ '[email protected]' │
# │    1    │ 2  │ '[email protected]' │
# │    2    │ 3  │ '[email protected]' │
# │    3    │ 4  │ '[email protected]' │
# │    4    │ 5  │ '[email protected]' │
# │    5    │ 6  │ '[email protected]' │
# │    6    │ 7  │ '[email protected]' │
# │    7    │ 8  │ '[email protected]' │
# │    8    │ 9  │ '[email protected]' │
# │    9    │ 10 │ '[email protected]' │
# │   10    │ 11 │ '[email protected]' │
# │   11    │ 12 │ '[email protected]' │
# │   12    │ 13 │ '[email protected]' │
# │   13    │ 14 │ '[email protected]' │
# │   14    │ 15 │ '[email protected]' │
# │   15    │ 16 │ '[email protected]' │
# │   16    │ 17 │ '[email protected]' │
# │   17    │ 18 │ '[email protected]' │
# │   18    │ 19 │ '[email protected]' │
# │   19    │ 20 │ '[email protected]' │
# │   20    │ 21 │ '[email protected]' │
# │   21    │ 22 │ '[email protected]' │
# │   22    │ 23 │ '[email protected]' │
# │   23    │ 24 │ '[email protected]' │
# │   24    │ 25 │ '[email protected]' │
# │   25    │ 26 │ '[email protected]' │
# └─────────┴────┴───────────────────┘
# END

• OR as npx command

npx @f0c1s/security-strings "what?"

License

MIT

Development

npm i -g typescript because npm i -D typescript consumes 60MB.

npm run build - for building .ts files

npm run build && npm link && secstr for quickly checking out the default.