certpeek
Certpeek peeks at the certificates exposed by SSL/TLS enabled hosts. Perfect for a quick look for debugging.
And, it support tunneling through a HTTP proxy!
Usage:
Usage: certpeek [OPTIONS] HOST
Peeks at certificates exposed by other hosts.
Options:
--version Show the version and exit.
--proxy TEXT Proxy to use.
--servername TEXT Custom SNI name to send in handshake.
--no-servername Do not send SNI in the handshake.
--print-pem Print certs in PEM format.
--first-only Only process the first retrieved cert.
--openssl-format Print cert info like OpenSSL.
-h, --help Show this message and exit.
Run it with uvx:
uvx certpeek google.no
Or install it permanently with either
uv:
uv tool install certpeek
pipx:
pipx install certpeek
or pip:
pip install certpeek
1 maintainer
Release files for certpeek 2026.9.6
For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.
Source distribution (sdist)
| File | Size | Uploaded | |
|---|---|---|---|
| certpeek-2026.9.6.tar.gz | 20.5 kB | Details |
Built distribution (wheel)
| File | Interpreter | ABI | Platform | Reset |
|---|---|---|---|---|
| certpeek-2026.9.6-py3-none-any.whl | Python 3 | none | any | Details |
Total release size: 42.2 kB
Release files / certpeek-2026.9.6.tar.gz
| Download URL | certpeek-2026.9.6.tar.gz |
|---|---|
| Size | 20.5 kB |
| Tags | Source |
|
SHA-256 checksum How to use checksums |
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BLAKE2b-256 checksum How to use checksums |
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Uploaded using Trusted Publishing? What is trusted publishing? |
Yes |
| Uploaded via |
twine/7.0.0 CPython/3.13.14
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Transparency logRelease files / certpeek-2026.9.6-py3-none-any.whl
| Download URL | certpeek-2026.9.6-py3-none-any.whl |
|---|---|
| Size | 21.6 kB |
| Tags | Python 3 |
|
SHA-256 checksum How to use checksums |
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|
BLAKE2b-256 checksum How to use checksums |
e2a189d087b9725a0a36ed69951c293eeea24268e227663fa9dcfc95f3c44719
|
| Upload date | |
|
Uploaded using Trusted Publishing? What is trusted publishing? |
Yes |
| Uploaded via |
twine/7.0.0 CPython/3.13.14
|
Provenance
Provenance describes where a file came from. On PyPI, provenance is shared via attestations, which provide a verifiable record of the build or publishing details. View details, limitations and caveats.
PyPI Publish Attestation
PyPI verified that this artifact, at this checksum, originated from the publisher listed below.
Signed by GitHub Actions, verified by PyPI on Sep 6, 2026.
Transparency log
