
Decode and verify SSL/TLS certificates online. Extract X.509 details including issuer, validity, SAN, and fingerprint. Fast, secure, and browser-based.

Expensify Cash
Zoho Expense
QuickBooks Online
Spendesk
SpendLog
SpendTrim
Track petty cash, create instant receipts, and stay accountable — no spreadsheets needed.

Which is more popular?
Based on our record, Cert Decoder seems to be more popular. It has been mentioned 1 time since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | certdecoder.com | spendnote.app |
| Pricing | ||
| Platforms | — | |
| Company | — | Startup from the United States · 1 - 9 employees · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


Cert Decoder is a free online tool that helps you decode X.509 SSL/TLS certificates in PEM format. It instantly shows important information like the issuer, expiry date, SAN entries, and fingerprint. All data is processed locally in your browser, so nothing is ever sent or stored elsewhere.
SpendNote is a simple petty cash tracking tool for small teams and businesses. Create instant receipts, track who took money, and keep your cash flow transparent without spreadsheets. It’s designed for real-world use cases like internal cash handling, employee advances, and on-site spending —...
What each product offers, as listed by its team.


Possible disadvantages
No features have been listed yet.
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Cert Decoder and SpendNote App.
Cert Decoder's answer
I built certdecoder.com over the weekend for my own needs. Sometimes in my work, I need to verify and check certificate details.
Cert Decoder's answer
certdecoder.com was built using just JavaScript and HTML—simple, fast, and with all processing happening locally in your browser, so no certificate data is sent to any server
Cert Decoder's answer
certdecoder.com is primarily built for developers, sysadmins, cybersecurity enthusiasts, and DevOps engineers.
SpendNote App's answer:
Small businesses, teams, and operators who handle physical cash — such as contractors, shops, events, or on-site teams — and need a simple way to track, document, and stay accountable.
Cert Decoder's answer
Simple, fast, and reliable. Some similar tools can’t even decode basic certificates. I rigorously tested my tool with many real-world certificates and covered several edge cases where competitors fall short.
SpendNote App's answer:
Most tools focus on reporting after the fact. SpendNote focuses on control at the moment cash changes hands. It’s faster, simpler, and designed for teams that actually handle physical cash — not just track expenses.
Cert Decoder's answer
certdecoder.com is primarily built for developers, sysadmins, cybersecurity enthusiasts, and DevOps engineers.
SpendNote App's answer:
SpendNote is built for real-world cash handling, not just expense tracking. It focuses on accountability — who took the money, when, and why — with instant receipts and simple workflows that replace paper logs and spreadsheets.
Share your experience with using Cert Decoder and SpendNote App. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Why? Because I built certdecoder.com and couldn’t find a decent place to submit it. So I said screw it — I’ll build my own. With blackjack and hookers. - Source: dev.to / over 1 year ago
Tracking SpendNote App since Mar 2026.