DES Encrypt / Decrypt Online
DES加密DES解密CBCECB
Pure client-side DES per FIPS 46-3 with CBC/ECB modes and PKCS7 padding, 8-char keys, Base64 output, for legacy system compatibility, fully local.
Key
Mode
Initialization Vector (IV)
Encrypt
Decrypt
All processing is done locally in your browser, no upload
How to Use
- Paste any valid JSON, supports nesting, arrays and escapes
- Click Beautify to auto indent and format
- Click Minify to remove whitespace into one line
- All operations run locally for privacy
Related Tools
FAQ
Is DES safe for production?
DES has an effective 56-bit key and has been brute-forced; use only for legacy compatibility, choose AES for new systems.
CBC vs ECB?
CBC chains blocks so identical plaintexts yield different ciphertexts; ECB processes blocks independently and leaks patterns.
Will my data be uploaded?
No, all operations run locally in your browser.