Software Alternatives & Startups

ncdu VS Cert Decoder

Compare ncdu VS Cert Decoder and see what are their differences

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.

ncdu logo ncdu

A disk usage analyzer with an ncurses interface, aimed to be run on a remote server where you...

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.
  • ncdu 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.

ncdu features and specs

  • User-friendly Interface
    Ncdu provides a text-based user interface which is easy to navigate and offers clear, color-coded disk usage visualization.
  • Speed
    Ncdu is designed to be fast and efficient, able to quickly scan and index disk usage information even on large file systems.
  • Low Resource Consumption
    The application consumes minimal system resources, making it suitable for use on systems with limited resources.
  • Interactive
    Ncdu allows users to interactively browse through directories, delete files, and drill down to see detailed disk usage statistics.
  • Portability
    Ncdu is available for multiple platforms, including Linux, BSD, macOS, and Windows, making it versatile across different environments.
  • Open Source
    Being an open-source tool, users can freely inspect the code, suggest features, and contribute to the project.
  • Remote System Compatibility
    Ncdu can be used over SSH, which makes it convenient for managing disk usage on remote servers.

Possible disadvantages of ncdu

  • Limited Advanced Features
    Ncdu primarily focuses on disk usage analysis and lacks some advanced features found in other tools such as detailed file metadata or advanced filtering options.
  • Text-based Interface Limitation
    While the text-based interface is quick and efficient, it may not be as intuitive or visually appealing as GUI-based disk usage analyzers for some users.
  • No Built-in Reporting
    Ncdu does not offer built-in functionality for generating comprehensive reports. Users have to manually compile data if detailed reports are needed.
  • Potential Learning Curve
    Beginners or users unfamiliar with command-line tools may find it challenging to get started and utilize all of ncdu's features effectively.
  • Lack of Detailed Visualization
    While ncdu offers a visual representation of disk usage, it doesn't provide more advanced visualizations like pie charts or graphs.

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 ncdu

Overall verdict

  • Yes, ncdu is considered a good tool for disk usage analysis due to its efficiency, speed, and ease of use. It is well-suited for users who want a lightweight and straightforward solution without the need for graphical interfaces.

Why this product is good

  • ncdu (NCurses Disk Usage) is a disk usage analyzer with an ncurses interface. It is designed to provide a fast and easy way to view and manage disk space usage on your system. With its simple text-based interface, you can quickly navigate directories and identify which files or directories are consuming the most space. This tool is particularly useful for system administrators and users who prefer working in a terminal environment.

Recommended for

  • System administrators who need to quickly identify disk space usage issues.
  • Users who prefer command-line tools over graphical user interfaces.
  • Anyone managing servers or computers remotely through SSH.
  • Those looking for a lightweight and efficient way to manage disk space on Unix-like systems.

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

ncdu videos

ncdu - NCurses Disk Usage Utility - Linux TUI

More videos:

  • Review - Lubuntu Screencast: Showing size of folders with du and ncdu
  • Review - Terminal File Manager - Amazing file manager in Terminal NCDU

Cert Decoder videos

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

Add video

Category Popularity

0-100% (relative to ncdu and Cert Decoder)
Disk Analyzer
100 100%
0% 0
Decoding
0 0%
100% 100
Hard Disk Usage
100 100%
0% 0
Monitoring Tools
0 0%
100% 100

Questions & Answers

As answered by people managing ncdu 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 ncdu and Cert Decoder. For example, how are they different and which one is better?
Log in or Post with

Social recommendations and mentions

Based on our record, ncdu seems to be a lot more popular than Cert Decoder. While we know about 24 links to ncdu, we've tracked only 1 mention of Cert Decoder. 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.

ncdu mentions (24)

  • Anthropic Cowork feature creates 10GB VM bundle on macOS without warning
    Something like https://dev.yorhel.nl/ncdu with ("brew install ncdu") is great if you are okay with the command line. It's very annoying to drill down in the Finder especially if it's hidden directories. - Source: Hacker News / 6 months ago
  • How to clean your virtual server (VPS)
    For an even more detailed analysis, take a look at tools such as ncdu, a disk usage viewer in terminal mode. - Source: dev.to / over 1 year ago
  • Ask HN: Interesting TUIs (text user interfaces), maybe forgotten ones?
    These certainly aren't forgotten, but I like: * `ranger` file manager: https://ranger.github.io/ * `ncdu` for visualising disk usage: https://dev.yorhel.nl/ncdu * `htop` process monitor: https://htop.dev/ I just find them very intuitive, and information-dense while not being overwhelming. - Source: Hacker News / over 2 years ago
  • What’s using my drive space?
    There are also more user-friendly and interactive tools to do this. I use and like ncdu, but there are others, such as duc. Source: about 3 years ago
  • The Most Useful Command Line Tools (2023 edition)
    In the same way of Dust, there is also NCDU which is an NCruses-based du interface, i.e. interactive. Source: over 3 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 ncdu and Cert Decoder, you can also consider the following products

Baobab Disk Usage Analyzer - Baobab Disk Usage Analyzer is one of the light-weight disk analyzers that offers you a chance to view and monitor the disk usage & folder structure without any hassle.

WinDirStat - WinDirStat is a disk usage statistics viewer and cleanup tool, inspired by KDirStat.

DiskUsage - DiskUsage provides a way to find out which files and directories on the SD card of your Android...

Filelight - Filelight is an application to visualize the disk usage on your computer.

WizTree - WizTree quickly finds the files and folders using the most space on your hard drive. It scans the MFT (Master File Table) instead of crawling the entire disk which makes it very fast.

Gdu - Gdu is one of the smart open-source disk analyzers specially designed for Linux that provides you complete information related to the disk space.