Can I decrypt a PGP message I sent?
You can’t decrypt the message unless you also encrypted it with one of your own public keys, which PGP supports (you can have as many recipients as you want, and any of them can decrypt the message).
How do I decrypt a PGP file online?
This tool is simple to use: enter your private PGP key, your PGP passphrase, and the PGP-encrypted message you wish to decrypt, then click on the Decrypt Message button.