P7B to PEM converter
To convert P7B to PEM, drop your P7B file in the box below. It converts straight away; press Download to save the PEM. It all happens in your browser, so your file stays on your device.
Convert to
Converted on this device, never uploaded
What changes
| P7B to PEM | What happens |
|---|---|
| Read | P7B and P7C, as DER or PEM, including Windows’ indefinite lengths |
| Out | Each certificate as a PEM block, leaf first |
| Chain | Ordered by who signed whom, whatever order the file had |
| Also | A text summary of every certificate |
How to convert P7B to PEM
- Add your P7B. Drop the file in the box, or click to choose it. It becomes PEM straight away.
- Check the result. Look at the preview and the size. The defaults are right for most files.
- Download. Press Download to save the PEM.
Why PEM
Certificate authorities and Windows often send the chain as a P7B; nginx, Apache and OpenSSL want the certificates as PEM.
Questions
No. PKCS#7 bundles carry certificates only; the key is in the PFX or on the server that made the request.
Put your certificate and the intermediates from the PEM in the file ssl_certificate points to, leaf first, as they come out.
No. The file is read and converted in your browser, so it stays on your device.
No. The conversion happens right in your browser, so your file stays on your device. There is no account to make, either.