Base64 Encode/Decode
developer
Unicode-safe Base64 encode/decode for text and files locally.
#decode
Explore 6 wowTools utilities tagged “decode”. Each tool is built to run in your browser whenever possible.
Tools
Caesar Cipher
security
Adjustable-shift Caesar cipher, encode and decode.
HTML Encode/Decode
html
HTML entity encode/decode for markup and text locally.
JWT Decoder
security
Inspect JWT header and payload locally—no signature verify.
ROT13 Cipher
security
Classic ROT13 letter-shift cipher, encode = decode.
URL Encode/Decode
developer
URL percent-encoding with component and URI modes locally.