Certificate Fingerprint Generator
Use Certificate Fingerprint Generator on AboveTool to parse URLs, headers, DNS/WHOIS text, IPs, and certificates in your browser — free, private, no signup.
Certificate Fingerprint Generator
computes SHA-256/SHA-1 fingerprints from pasted PEM certificates
Runs in your browser. Live DNS/WHOIS registries are not queried unless a mode explicitly uses a public lookup API.
About Certificate Fingerprint Generator
Certificate Fingerprint Generator computes SHA-256/SHA-1 fingerprints from pasted PEM certificates. It works by DER-decodes PEM then hashes with Web Crypto. Prefer SHA-256 fingerprints in modern pinning docs. Certificate Fingerprint Generator runs free in your browser at abovetool.com — no signup, instant results.
How to use
- Enter the inputs for this network utility (two IPs, a single address, headers, PEM, and so on).
- Click Compare IPs, Lookup, Convert, or Run depending on the tool.
- Review the on-page result (including bit diffs or maps where shown), then copy or download.
Features
- Mode-specific forms for headers, URLs, IPs, DNS, and certificates
- Client-side parsers and builders — no upload required
- Copy or download results instantly
- Unique tool copy with practical tips for each utility
Frequently asked questions
What is Certificate Fingerprint Generator for?
Certificate Fingerprint Generator is computes SHA-256/SHA-1 fingerprints from pasted PEM certificates.
How does Certificate Fingerprint Generator calculate the result?
It calculates DER-decodes PEM then hashes with Web Crypto.
Any tips for using this calculator?
Prefer SHA-256 fingerprints in modern pinning docs.
Is Certificate Fingerprint Generator free on AboveTool?
Yes. Certificate Fingerprint Generator is free to use on abovetool.com with no account required, and results are calculated instantly in your browser.