Encrypt or Decrypta message
with different
algorithms
Ketze Tools

Tools for every developer
Replace a text with a Regex or a String
OR
Transform a text to snake_case, camelCase and more!
Decode and parse a
JWT

Decode and parse a
ASN1
or a
JSON
Find differences
between texts
Color Tool
Eyedropper, search and format colors
Change between date formats
If you have any problem or want a new tool, you can contact me here
Search for EMV Tags
Learn the specification of each one
Generate, combine or split
Symmetric Keys
Luhn check
Validate the checksum in your browser
Coming soon
More tools on the way