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IrfanView VS Cert Decoder

Compare IrfanView VS Cert Decoder and see what are their differences

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IrfanView logo IrfanView

IrfanView ... one of the most popular viewers worldwide.

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.
  • IrfanView Landing page
    Landing page //
    2023-04-23
  • 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.

IrfanView features and specs

  • Lightweight
    IrfanView is known for its small size and low resource usage, making it fast and efficient even on older systems.
  • Wide Format Support
    Supports a vast array of image formats, including BMP, DIB, JPEG, GIF, PNG, PCX, TIFF, and many more, along with some multimedia formats.
  • Batch Processing
    Includes powerful batch processing capabilities for converting and processing multiple images at once.
  • Plugins
    Supports a variety of plugins for extended functionality, allowing users to add features such as support for additional file formats and enhanced editing tools.
  • User-Friendly
    Offers an intuitive and straightforward interface that is easy to navigate for both beginners and advanced users.
  • Free for Personal Use
    IrfanView is free for non-commercial use, making it an excellent choice for personal projects.

Possible disadvantages of IrfanView

  • Outdated Interface
    The user interface may appear dated compared to more modern photo editing software, potentially affecting user experience.
  • Limited Advanced Editing
    While IrfanView offers basic editing tools, it lacks advanced photo editing features that are available in other software like Adobe Photoshop.
  • Windows-Only
    Natively available only for Windows operating systems, limiting its availability for MacOS and Linux users.
  • Commercial Use Requires License
    Although free for personal use, commercial use requires the purchase of a license, which might be a consideration for businesses.
  • Learning Curve for Advanced Features
    While the basic features are user-friendly, some advanced functionalities may have a steeper learning curve for new users.

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 IrfanView

Overall verdict

  • IrfanView is generally regarded as a reliable and effective tool for viewing and managing images, making it a suitable choice for both casual users and those needing more advanced features.

Why this product is good

  • IrfanView is considered good because it is a fast, compact, and feature-rich image viewer that supports a wide range of file formats. It is also free for non-commercial use, which adds to its appeal. The program offers basic editing capabilities, batch processing options, and a variety of plugins to extend its functionality. Additionally, it is known for its efficient performance and low resource consumption.

Recommended for

    IrfanView is recommended for individuals who need a lightweight and quick image viewer with basic editing tools. It's suitable for photographers, graphic designers, and anyone looking for a free and versatile program for managing large image libraries efficiently.

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

IrfanView videos

+ Add

Review of irfanview photo editing software

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Cert Decoder videos

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Category Popularity

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

IrfanView

Cert Decoder

Image Editing
100 100%
Image Editing
0% 0
Decoding
0 0%
Decoding
100% 100
Photos & Graphics
100 100%
Photos & Graphics
0% 0
Monitoring Tools
0 0%
Monitoring Tools
100% 100

Questions & Answers

As answered by people managing IrfanView 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 IrfanView and Cert Decoder. For example, how are they different and which one is better?
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Reviews

These are some of the external sources and on-site user reviews we've used to compare IrfanView and Cert Decoder

IrfanView Reviews

20+ Picasa Alternatives And Best Similar Apps Like Picasa 2022
The only con we have regarding IrfanView is that its interface looks very dated and doesn’t fit well with modern OS designs. Despite that, it’s one of the best Picasa alternatives you can use today if you want some neat image organization and an image editor packed with features, in a package that’s free to use.
Source: www.gizmoconcept.com
15 Best Google Picasa Alternatives You Should Use (2022)
If you have an old rig that can’t handle new powerful tools and are looking for a lightweight photo management app, then IrfanView will be an excellent choice for you. It is just 3MB in size so that it won’t take any space on your computer and in terms of resources also it is pretty lightweight.
Source: techdator.net
10 Best Google Picasa Alternatives You Should Use
IrfanView is a free photo viewer and organizer for Windows which happens to be very light both in size and resource requirements. This makes it a great software for users who are using older generations of Windows PC and want something lean and light. Coming just at 3 MB, IrfanView doesn’t take any space on your computer and can run on any device. One of the biggest benefits...
Source: beebom.com
10 Best Photo Viewer For Windows 10 [2020]
The community can build plugins that can be used to add more functionality to the app, check IrfanView plugins page for more about this. The app is available in 32 bit and 64 bit both variant and look and feel of the app can be customized with skins.
Source: www.thetechbasket.com
7 Best Photo Viewer Apps for Windows 10 in 2019
It creates slideshows within no time. One of the coolest things about IrfanView is it opens in a flash. It’s super fast and reliable. It supports batch processing.IrfanView app has got a good development team and we see new features added to it every couple of months.
Source: thedigitalsushi.com

Cert Decoder Reviews

We have no reviews of Cert Decoder yet.
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Social recommendations and mentions

Based on our record, IrfanView should be more popular than Cert Decoder. It has been mentiond 3 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.

IrfanView mentions (3)

  • Presenting two slides from a presentation at once on two different monitors
    It doesn't sound like you need animations or other effects here, just still images. If that's so, you could: Export the slides to high resolution images (at least high enough to match the highest resolution your projectors are capable of). Use a PC to drive each projector; the cheapest, oldest PC in the place will be more than adequate. Run a program that can fill the screen with an image (and if needed, switch... Source: about 3 years ago
  • Is there a way to convert "photographed text" in to just "text" in a .pdf file?
    Scantailor (https://scantailor.org) is the tool for self-scanned books that exist in images (png, jpg, etc). However, I usually use Irfanview with PDF plugin (https://irfanview.com - download both Irfanview and the Plugins from this home page) I have elsewhere in r/PDF shown how you can do batch splitting of two-page scans, clean up muddy pages (yellowed or browned) . In the Reddit search box, search for... Source: over 3 years ago
  • University is rough sometimes...
    From there, open your favorite image editor (I use & recommend irfanView BTW 😁) & paste it there. Then save it (I HIGHLY recommend saving it as a JPEG file). Source: almost 5 years ago

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 IrfanView and Cert Decoder, you can also consider the following products

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

FastStone Image Viewer - FastStone Image Viewer is a fast, stable, user-friendly image browser, converter and editor.

JPEGView - JPEGView is a small and fast viewer/editor for JPEG, BMP, PNG, GIF and TIFF images.

Photoscape - high quality photo editing software, that enables you to fix and enhance photos.

ImageGlass - You can use Image to view your digital images and photos of many different formats.

ACDSee - ACDSee is an image viewer that uses very little system resources, and it has a small, sleek size that won't take up much space on your system.

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