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feh VS Cert Decoder

Compare feh VS Cert Decoder and see what are their differences

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feh logo feh

feh is an X11 image viewer aimed mostly at console users.

Cert Decoder logo Cert Decoder

Decode and verify SSL/TLS certificates online. Extract X.509 details including issuer, validity, SAN, and fingerprint. Fast, secure, and browser-based.
  • feh Landing page
    Landing page //
    2023-05-10
  • Cert Decoder
    Image date //
    2025-03-22

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.

feh features and specs

  • Lightweight
    Feh is a simple and lightweight image viewer, making it suitable for systems with limited resources or users who prefer minimal software.
  • Command Line Interface
    Feh can be operated entirely from the command line, offering powerful scripting capabilities and integration into various workflow automation processes.
  • Versatile Features
    Despite its simplicity, Feh supports a wide range of image formats and includes features like slideshows, wallpaper setting, and thumbnail mode.
  • Customizability
    Feh provides extensive options for customization through its configuration files, allowing users to tailor the image viewing experience to their preferences.

Possible disadvantages of feh

  • Steep Learning Curve
    New users, especially those unfamiliar with command line tools, may find it difficult to learn and operate Feh efficiently due to its reliance on command-line options and lack of a graphical interface.
  • Limited UI
    Users expecting a graphical user interface may find Feh lacking, as it’s primarily designed to be a tool rather than a comprehensive image management application.
  • Basic Editing Capabilities
    Feh is not designed for image editing, so users needing more than simple viewing or basic operations must turn to additional software for editing needs.
  • Dependency on External Programs
    Feh relies on external programs and libraries for some of its functionality, which might require additional setup and configuration.

Cert Decoder features and specs

  • 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 of Cert Decoder

  • 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 of Cert Decoder

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

feh videos

+ Add

Resplendent Alm: Unit Review & Builds || Fire Emblem Heroes [FEH]

More videos:

  • Review - How GOOD is Legendary Corrin Banner? - Fire Emblem Heroes Banner Review [FEH]

Cert Decoder videos

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Category Popularity

0-100% (relative to feh and Cert Decoder)

feh

Cert Decoder

Image Editing
100 100%
Image Editing
0% 0
Decoding
0 0%
Decoding
100% 100
Digital Drawing And Painting
100 100%
Digital Drawing And Painting
0% 0
Monitoring Tools
0 0%
Monitoring Tools
100% 100

Questions & Answers

As answered by people managing feh 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 feh and Cert Decoder. For example, how are they different and which one is better?
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Social recommendations and mentions

Based on our record, feh should be more popular than Cert Decoder. It has been mentiond 10 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

feh mentions (10)

  • The X11 Conservancy Project
    You can also try feh (https://feh.finalrewind.org/) feh is an X11 image viewer aimed mostly at console users. And sxiv (https://github.com/muennich/sxiv) Simple X Image Viewer (but this one was archived on github since Nov. 9th, 2022). - Source: Hacker News / over 3 years ago
  • Plotting the memory of a PHP process with Gnuplot 📈
    What would be handy would be a graph that refreshes over time. For that, you will need 2 tiny programs: watch and feh. - Source: dev.to / about 4 years ago
  • { Opening an image on terminal }
    If you have Xorg installed, you can use FEH to display images in console. Source: about 4 years ago
  • I've made a little Bash script that will download a random wallpaper from r/wallpapers and set it for you
    If you want to make it more agnostic across operating systems, take a look at feh Https://feh.finalrewind.org/. Source: about 4 years ago
  • Complaining since 2015.
    It is a lightweight image viewer for Linux distributions. Source: over 4 years ago
View more

Cert Decoder mentions (1)

  • 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

What are some alternatives?

When comparing feh and Cert Decoder, you can also consider the following products

sxiv - Simple X Image Viewer. Contribute to muennich/sxiv development by creating an account on GitHub.

nomacs - nomacs is a free, open source image viewer, which supports mu

qimgv - Simple image viewer written in qt. Supports webm playback.

Eye of Gnome (eog) - Simple image viewer for the GNOME desktop.

OsiriX MD - Radiology

XnView MP - XnView is a free software that allows you to view, resize and edit your images. It supports more than 500 different formats!

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