Software Alternatives & Startups

Wallspace.app VS Cert Decoder

Compare Wallspace.app VS Cert Decoder and see what are their differences

Wallspace.app

Live wallpaper for Mac - 4K cinematic wallpapers, lock screen support, multi-monitor, under 2% CPU. No login, no subscription. Download free.

Wallspace.app Home View
Rating
0 reviews
Pricing
Freemium
Cert Decoder

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

Cert Decoder screenshot
Rating
0 reviews
Pricing
Free
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, Cert Decoder seems to be more popular. It has been mentioned 1 time since March 2021.

social mentions
0 vs 1
Wallpapers popularity
100% vs 0%

Base details

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

Wallspace.app
Cert Decoder
Website wallspace.app certdecoder.com
Pricing
Free
Platforms
MacOS Mac
Web
Company Startup from the United Kingdom · 1 - 9 employees · 2026
Listed in

About Wallspace.app and Cert Decoder

In their own words, as submitted to SaaSHub.

Wallspace.app
Cert Decoder

The live wallpaper app for Mac that won't touch your Battery. Lock screen support, native Swift - no subscription, low CPU, no login.

Read more about Wallspace.app

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.

Read more about Cert Decoder

Features and specs

What each product offers, as listed by its team.

Wallspace.app 3 features
Cert Decoder 4 features
  • Live Wallpapers
    1000+ Live wallpapers include in the free library
  • Lock screen
    Support changing mac lock screen wallpapers with custom videos
  • MP4 -> Wallpaper
    Use any video to mack your mac wallpaper
  • 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.

Wallspace.app
Cert Decoder

Overall verdict

  • Wallspace.app is a solid, user-friendly tool for organizing and showcasing digital content, offering a clean interface and useful features for visual curation, though your specific needs should guide your final decision.

Why this product is good

  • Clean, intuitive interface that makes organizing visual content simple
  • Useful for creating mood boards, inspiration walls, and curated collections
  • Cloud-based access allows you to view and manage your walls from anywhere
  • Helpful for creatives, designers, and teams needing a shared visual space
  • Generally lightweight and quick to get started with

Recommended for

  • Designers and creatives building mood boards or inspiration collections
  • Teams needing a shared visual workspace for collaboration
  • Individuals who want to organize images, links, and ideas in one place
  • Anyone looking for a simple, visual bookmarking or curation tool

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.

Wallspace.app 1 video + Add
Cert Decoder 0 videos + Add

4K Live wallpaper on macOS in 15 seconds - Wallspace.app

No Cert Decoder videos yet. You could help us improve this page by suggesting one.

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
Wallspace.app
Cert Decoder
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%
0% 0%
100% 100%

Questions & Answers

As answered by people managing Wallspace.app 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?

Wallspace.app's answer

Anyone who enjoys and like to customise their macs.

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?

Wallspace.app's answer

More curated live wallpaper collections for mac and free.

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.

What makes your product unique?

Wallspace.app's answer

Free Live wallpaper app and support lock screen wallpapers, unlike other heavily paid apps.

User comments

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

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Social recommendations and mentions

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

Wallspace.app 0 mentions
Cert Decoder 1 mention

Tracking Wallspace.app since Apr 2026.

  • 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

Alternatives to Wallspace.app and Cert Decoder

When comparing Wallspace.app and Cert Decoder, you can also consider the following products.