Why convert GPG to PGP?
The .gpg extension is associated with GnuPG while .pgp comes from commercial PGP products and older tooling; both follow the same OpenPGP standard. Some legacy email gateways or enterprise workflows filter files by extension, making a rename to .pgp necessary even though the cryptographic content is identical.
How to convert GPG to PGP
Rename the file FREE
Change the extension from .gpg to .pgp using File Explorer (Windows) or Finder (Mac); no software needed and the cryptographic content is unchanged.
GnuPG (re-export) OPEN-SOURCE
Decrypt with gpg --output original.txt --decrypt file.gpg, then re-encrypt with gpg --output file.pgp --encrypt --recipient [email protected] original.txt; use this only if a formal re-encryption is required.
Gpg4win OPEN-SOURCE
Use File > Decrypt/Verify to decrypt the .gpg file in Kleopatra, then File > Sign/Encrypt to re-encrypt and save with a .pgp extension.
About these formats
.GPG
GnuPG Encrypted File
A .gpg file is binary data produced by GnuPG (GNU Privacy Guard), the free OpenPGP encryption tool. Most .gpg files are encrypted - to read one you need GnuPG plus the right passphrase or…
Open .GPG details →
.PGP
PGP Encrypted File
A PGP file is an encrypted file or message created with PGP (Pretty Good Privacy) or a compatible OpenPGP program such as GnuPG. To read it you must decrypt it - using a passphrase (if it…
Open .PGP details →Quality & what to watch
- There is no real format difference - both extensions are binary OpenPGP packet streams following the same RFC; renaming does not weaken or alter the encryption.
.pgpfiles can also be ASCII-armored (text starting with-----BEGIN PGP MESSAGE-----); if the receiving system expects armored form, addgpg --armorto the process.- Never use online tools to re-export files containing private key material or sensitive encrypted content.
