Folderly VS Cert Decoder

Compare Folderly VS Cert Decoder and see what are their differences

Rating: 5.0 · 9 reviews
Pricing: Open source Paid Free trial $120 / Monthly (Folderly Premium)

Alternatives Is it good?

Rating: 0 reviews
Pricing: Free

Alternatives Is it good?

BusinessXray

Automated 60-second forensic business auditing pipeline powered by OpenAI Nano AI. Built for consultants and analysts. sponsored

Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Based on our record, Folderly seems to be a lot more popular than Cert Decoder. While we know about 60 links to Folderly, we've tracked only 1 mention of Cert Decoder.

social mentions: 60 vs 1
Email Marketing popularity: 100% vs 0%

Base details

Website, pricing, platforms and company facts side by side.

	Folderly	Cert Decoder
Website	folderly.com	certdecoder.com
Pricing	Open source Paid Free trial $120 / Monthly (Folderly Premium) Official pricing	Free
Platforms	Google Workspace Office 365 Outlook Yahoo Zoho AWS Sendgrid SendinBlue Mailgun Sendpulse Intercom Klaviyo Sparkpost SMTP API Marketo Elastic Email Rackspace Technology +15	Web
Listed in	Email Deliverability Email Marketing Platforms Email Marketing SaaS Email Productivity Email Security +3	SSL Certificates Decoding Website Monitoring Monitoring Tools +1

About Folderly and Cert Decoder

In their own words, as submitted to SaaSHub.

Folderly

Cert Decoder

Folderly is more than just an email deliverability tool. Deep email deliverability fixes, technical setup, access to an up-to-date deliverability score, user-friendly template management, team accounts, and, now, spam trigger detection with best practices to follow—all of these features assist...

Features and specs

What each product offers, as listed by its team.

Folderly 13 features

Cert Decoder 4 features

Spam Fixing
Email Deliverability Testing
Email Placement Dashboard with Analytics
Technical Setup of Domain DNS and Authentication
Active Domain and IP Monitoring
Content Analysis and Recommendations
Email Templates Management
Spam Triggers
Best Practices
Dynamic Seed Rotation
Custom API Integration
Dedicated Customer Success Manager
Onboarding Support

User-Friendly Interface
Cert Decoder is designed with a simple and intuitive interface that makes it easy for users to navigate and use the tool without requiring extensive technical knowledge.
Comprehensive Analysis
The tool provides detailed analyses of certificates, including information about validity, issuer, encryption algorithms, and more, helping users understand their security certificates thoroughly.
Free to Use
Cert Decoder offers its services free of charge, making it accessible for individuals and organizations without budget constraints.
Quick Processing
The tool processes certificate information rapidly, providing almost instant results for users, which is crucial for time-sensitive tasks.

Possible disadvantages

Limited Advanced Features
Compared to some paid alternatives, Cert Decoder might lack advanced features that are necessary for more complex certificate management and diagnostics.
Reliance on Internet Access
Users need an active internet connection to utilize the tool, which can be a limitation in areas with unreliable internet service.
Privacy Concerns
While using an online service to decode certificates, there can always be privacy concerns regarding sensitive data being uploaded to a third-party server.
No Offline Mode
Cert Decoder does not offer an offline mode, which could be a drawback for users who require functionality without constant internet availability.

Analysis

An editorial look at what each product does well and who it suits.

Folderly

Cert Decoder

Overall verdict

Overall, Folderly is a beneficial tool for businesses that rely heavily on email marketing and need to ensure their communications reach their audience's inbox. Its specialized focus on improving email deliverability and providing actionable insights makes it a valuable asset for enhancing email campaign performance.

Why this product is good

Folderly is often regarded as a good tool because it provides efficient email deliverability solutions. It helps businesses improve their email performance by reducing emails going to spam and enhancing inbox placement. This is achieved through features like email warm-up, domain and IP reputation management, and detailed deliverability analytics. Its user-friendly interface and comprehensive reporting tools make it accessible for businesses looking to maximize the efficiency of their email campaigns.

Recommended for

Folderly is recommended for marketers, email campaign managers, and businesses that heavily depend on email as a primary communication tool, especially those who experience issues with emails being marked as spam. It is also suitable for businesses looking to optimize their outreach efforts and improve overall email deliverability rates.

Overall verdict

Cert Decoder appears to be a free online tool for decoding and inspecting SSL/TLS certificates, CSRs, and related cryptographic data, making it useful for quick, no-install certificate analysis, though it should be used with awareness of general web tool privacy considerations when handling sensitive certificate data.

Why this product is good

Provides quick, browser-based decoding of certificates without needing to install software
Useful for troubleshooting SSL/TLS certificate issues on the fly
Simple interface aimed at both technical and semi-technical users
No cost to use for basic certificate decoding tasks

Recommended for

System administrators needing to quickly verify certificate details
Developers debugging SSL/TLS configuration issues
IT support staff troubleshooting website certificate errors
Students or professionals learning about certificate structure and encoding

Videos

Walkthroughs and reviews on video.

Folderly 5 videos + Add

Cert Decoder 0 videos + Add

Supercharge Your Email Deliverability With Folderly

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100

Folderly

Cert Decoder

100% 100%

0% 0%

100% 100%

0% 0%

100% 100%

Questions & Answers

As answered by people managing Folderly and Cert Decoder.

What's the story behind your product?

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.

Which are the primary technologies used for building your product?

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

How would you describe the primary audience of your product?

Cert Decoder's answer:

certdecoder.com is primarily built for developers, sysadmins, cybersecurity enthusiasts, and DevOps engineers.

Why should a person choose your product over its competitors?

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.

Who are some of the biggest customers of your product?

Cert Decoder's answer:

certdecoder.com is primarily built for developers, sysadmins, cybersecurity enthusiasts, and DevOps engineers.

User comments

Share your experience with using Folderly and Cert Decoder. For example, how are they different and which one is better?

Reviews and articles

External articles and on-site reviews we used to compare the two products.

Folderly 5.0 · 9 reviews

Cert Decoder no reviews yet

Top 14 Email Warm-Up Tools for B2B SaaS
www.mailwarm.com · Dec 2025

Folderly: Full deliverability service offering warm-up, remediation, audits, configuration help, and a managed roadmap for recovery from spam placement.
Folderly guarantees that our emails are delivered to the inbox
SaaSHub review

· Sep 2023

Our field of work requires extensive communication via email; therefore, we needed a solution that would monitor our email deliverability rate and help us eliminate any possible issues causing our emails to land in...
Folderly saves our emails from spam
SaaSHub review

· Aug 2023

With Folderly, we have a clear picture of the situation with our mailboxes, understand what exactly caused our emails to go to spam, and see our campaigns' performance getting better. The team is always ready to give...

We have no reviews of Cert Decoder yet. Be the first one to post

Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

Folderly 60 mentions

Cert Decoder 1 mention

Breaking Into Legal Tech
Make • Build and automate workflows InvoiceBerry • Online invoicing for small businesses Gusto • Payroll, benefits and HR management Hive • Manage tasks, workflows and team’s work Lanva • Social video editing app. ClickUp • Manage... Source: almost 4 years ago
Why do businesses always have such long voice mail greetings?
BTW, the same thing I noticed with emails. I recently started to work with them, and differentiating emails and sending them to the right group of people brings a more positive outcome. We recently checked it on https://folderly.com/.... Source: about 4 years ago
Is there somewhere an email client for mac that is not gmail, implements labels and supports IMAP?
Finally, I would suggest you also use https://folderly.com/ in addition to those two email clients. I would help you avoid making your emails spammy and maintain a high email deliverability score. It’s essential if you’re using email for... Source: about 4 years ago

Banana.dog back from the dead
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

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