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Offline file compression with up to 90% file size reduction without scarifying quality

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

Which is more popular?
Cert Decoder might be a bit more popular than Compresto. We know about 1 link to it since March 2021 and only 1 link to Compresto.
Website, pricing, platforms and company facts side by side.
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| Website | compresto.app | certdecoder.com |
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| Company | Startup from Vietnam · 1 - 9 employees · 2024 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Compresto, previously known as CompressX, is a highly efficient software tool designed to streamline file compression across various formats, including videos, images, GIFs, and PDFs. By significantly reducing file sizes while preserving their quality, Compresto enhances productivity for...
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.
What each product offers, as listed by its team.


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


No analysis of Compresto yet.
Overall verdict
Why this product is good
Recommended for
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Compresto and Cert Decoder.
Compresto's answer
Choosing CompressX over its competitors comes down to several key advantages that may cater to a user's specific needs in video and image compression. Here are compelling reasons why a person might opt for CompressX:
High-Efficiency Compression without Quality Loss: One of the most significant selling points of CompressX is its promise to compress files by up to 90% without a noticeable loss in quality. This is particularly crucial for professionals and content creators who cannot compromise on the visual integrity of their work but still need to manage file sizes for online distribution, email attachments, or storage limitations.
User-Friendly Experience: CompressX is designed with all users in mind, not just tech-savvy individuals. Its intuitive interface allows even those with minimal technical expertise to easily navigate and use the tool for their compression needs. This accessibility makes it an attractive option for a broad audience range.
Broad Format Compatibility: CompressX supports a wide array of video and image formats, including advanced codecs like H.264 and H.265. This versatility ensures users can work with various file types without needing multiple tools, making it a more comprehensive solution.
Cost-Effectiveness: Offering a one-time purchase with lifetime access is a unique proposition in a market where subscription models are common. This makes CompressX a cost-effective investment in the long run, especially with the inclusion of one year of updates. For individuals and businesses mindful of ongoing costs, this is a significant incentive.
7-Day Money-Back Guarantee: This policy underlines the confidence the developers have in CompressX's performance and customer satisfaction. It lowers the risk for new users, giving them the peace of mind to try the tool and see if it meets their expectations without financial commitment.
Speed and Efficiency: For those working with large media files regularly, CompressX's capability to quickly compress files without sacrificing quality is a vital time-saver. This efficiency can streamline workflows, reduce waiting times, and facilitate faster project completions.
Regular Updates and Improvements: The inclusion of regular updates for a year ensures that users benefit from ongoing product enhancements, security patches, and feature additions. This commitment to product evolution keeps CompressX competitive and relevant in a fast-paced tech landscape.
Integrated Solutions: The tool's potential integration with other software and applications, like Raycast, suggests a forward-thinking approach to user experience. This can further streamline users' workflows by allowing them to compress files within their preferred ecosystem of tools.
In summary, the combination of these features makes CompressX a compelling option for anyone looking to manage digital media files efficiently. Its balance of high-quality compression, user accessibility, broad format support, and cost-effective pricing model stands out in a crowded market of compression tools.
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.
Compresto's answer
Several features and qualities make CompressX stand out as a unique tool in the realm of video and image compression:
High-Efficiency Compression: CompressX's ability to reduce file sizes by up to 90% without significant loss of quality is impressive. This high level of efficiency is paramount for users looking to optimize their content for web use, storage, or sharing without compromising visual integrity.
Quality Retention: Unlike many compression tools that significantly degrade quality to achieve smaller file sizes, CompressX maintains a balance between compression and quality retention. This ensures that videos and images retain their clarity and detail, making it ideal for professionals and content creators who cannot afford to lose quality.
User-Friendly Interface: The application's design emphasizes ease of use, making complex compression tasks accessible to users with varying levels of technical expertise. This user-centric approach broadens its appeal and utility across a diverse user base.
Versatile Format Support: Supporting a wide range of video and image formats, including but not limited to H.264 and H.265 codecs, CompressX offers flexibility that can meet the needs of various projects and platforms.
One-time Purchase with Lifetime Access: In an era where subscription models dominate, CompressX's one-time purchase option with lifetime access is a refreshing and cost-effective alternative for users. This includes one year of updates, enhancing its value proposition.
7-Day Money Back Guarantee: This policy demonstrates confidence in CompressX's capabilities and commitment to user satisfaction, reducing the risk for new users and encouraging them to try the tool.
Speed and Efficiency: CompressX's optimization for quick compression and conversion processes addresses one of the core needs of users working with large files—speed. This efficiency can significantly streamline workflows and project timelines.
Integration and Compatibility: The mention of integration with services like Raycast and its emphasis on being useful for a wide range of applications, from personal use to professional content creation, highlight CompressX's adaptability and relevance in various contexts.
These features combined make CompressX a compelling choice for anyone looking to compress their media files. Its balance of efficiency, quality, and user accessibility, paired with favorable purchase terms, positions CompressX as a powerful tool in digital content optimization.
Compresto's answer
CompressX's primary audience can be broadly categorized into several key groups, each with distinct needs and expectations from a compression tool. These groups include:
This includes videographers, photographers, graphic designers, and digital artists who regularly work with high-resolution images and video files. They need an efficient way to reduce file sizes without losing the visual quality of their work, ensuring their creations can be easily shared, uploaded, or stored.
Professionals in digital marketing and social media management often deal with a high volume of multimedia content that needs to be optimized for web use. CompressX helps them maintain the balance between visual quality and fast load times, crucial for user engagement and SEO.
For web professionals, website performance is paramount. CompressX offers a solution to optimize images and videos, resulting in faster page load times without compromising the aesthetic element of web projects. This is particularly valuable for portfolio sites, e-commerce platforms, and any website where user experience is key.
With the rise of e-learning, educators and course creators seek effective ways to deliver high-quality video content without the burden of large file sizes that might hinder learners' access. CompressX allows them to compress educational videos, making them more accessible to students with varying internet bandwidths.
Small businesses often manage their digital assets internally without a dedicated IT team. CompressX serves as a user-friendly tool for these businesses to optimize product images, promotional videos, and other digital content for their websites and social media, enhancing online presence.
This group includes technology enthusiasts and general home users who enjoy creating and sharing videos and images, whether it's for personal blogs, YouTube channels, or family photo albums. CompressX provides them with a professional-grade tool to manage file sizes easily, facilitating sharing and storage.
Non-profits and charities often operate with limited resources and need to communicate effectively online. CompressX can help these organizations optimize their visual content for fundraising campaigns, awareness videos, and other digital materials, ensuring they can reach their audience effectively.
Overall, CompressX's primary audience is diverse, spanning various professions and interests. Yet, they share common needs: efficient file size management, quality retention, and usability. By offering a balance of these elements, CompressX appeals to a broad spectrum of users seeking to optimize their digital media workflow.
Cert Decoder's answer:
certdecoder.com is primarily built for developers, sysadmins, cybersecurity enthusiasts, and DevOps engineers.
Compresto's answer
In my team, we have a practice of including a screen record demo with each pull/merge request, which helps code reviewers quickly understand the changes being made. This is an excellent practice to improve code quality in our team.
However, due to GitLab limitations, the video file must be under 10 MB for upload. While my team typically uses FFmpeg to compress videos, which is quite effective, I find the workflow – adjusting commands for each video or running scripts – a bit cumbersome, as I'm not particularly inclined towards terminal-based tasks. To streamline this process, I made CompressX which helped simplify video compression.
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.
Compresto's answer
For the app: SwiftUI For the web: NextJS + Tailwind CSS, hosting on Vercel
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
Compresto's answer
Cert Decoder's answer:
certdecoder.com is primarily built for developers, sysadmins, cybersecurity enthusiasts, and DevOps engineers.
Share your experience with using Compresto and Cert Decoder. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Another one of my experiments after I found out about it from Twitter is the pulsing dot on the Pricing link in the header experiment. Hieu Dinh, developer of CompressX posted about it initially here:. - Source: dev.to / almost 2 years ago
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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