21YunBox vs. Zesty.io Comparison Chart

TinyPNG (by Tinify) is a free image optimization tool trusted by developers and designers worldwide. It uses smart lossy compression to compress JPEG, PNG, WebP, AVIF, and JPEG XL (JXL) files by up to 80% without visible quality loss - boosting speed, SEO, and reducing bandwidth. Compress, convert, and resize images via our intuitive web app or powerful API, with an image CDN for fast global delivery. SDKs are available for Python, Node.js, PHP, Java, Ruby, and .NET. Includes an official WordPress plugin and a growing ecosystem of community-built integrations. Tinify is simple and accessible with no complex settings, no guesswork. It just works. Whether you're a beginner or building for scale, you get reliable results fast. All plans start with a generous free tier, and responsive customer support is here when you need help. George the panda 🐼 would be thrilled to see you give it a try.

Cloudflare is the foundation for your infrastructure, applications, and teams. Cloudflare secures and ensures the reliability of your external-facing resources such as websites, APIs, and applications. It protects your internal resources such as behind-the-firewall applications, teams, and devices. And it is your platform for developing globally scalable applications. Your website, APIs, and applications are your key channels for doing business with your customers and suppliers. As more and more shift online, ensuring these resources are secure, performant and reliable is a business imperative. Cloudflare for Infrastructure is a complete solution to enable this for anything connected to the Internet. Behind-the-firewall applications and devices are foundational to the work of your internal teams. The recent surge in remote work is testing the limits of many organizations’ VPN and other hardware solutions.

Bitrise is a CI/CD platform built for mobile development, helping teams speed up builds, automate testing, and deliver high-quality apps faster. It supports native languages like Swift, Objective-C, Java, and Kotlin, as well as cross-platform frameworks including React Native, Flutter, Xamarin, Cordova, and Ionic. Setup takes minutes, with customizable workflows that adapt to any project. Bitrise integrates with GitHub, GitLab, and other industry-standard tools, while its cloud infrastructure removes the need for manual processes or maintenance overhead. Pipelines provide flexible structure for CI/CD, running tasks in parallel or sequentially to optimize efficiency. With access to the latest machines, up-to-date Xcode versions, and expert customer support, Bitrise offers a complete solution for mobile teams of any size.

Iru (formerly Kandji) is an all-in-one, AI-powered security and compliance platform designed to simplify IT management and strengthen enterprise protection. Built on the Iru Context Model, it unifies identity, endpoint, and compliance into a single intelligent system that understands users, devices, and applications in context. With passwordless workforce identity, advanced endpoint detection, and automated compliance, Iru delivers both security and efficiency without the complexity of multiple tools. Its integrated approach enables IT teams to secure access, prevent threats, and maintain continuous audit readiness—all from one intuitive platform. Trusted by over 5,000 companies including Plaid, Notion, Airbus, and Vercel, Iru transforms how modern businesses manage digital trust. The result is reduced IT workload, improved employee experience, and enterprise-grade protection built for the AI era.

This is the new, enhanced version of the 4K Video Downloader you love. 4K Video Downloader+ is a cross-platform application that lets you easily save audio and videos from YouTube, Dailymotion, Bilibili, Facebook, Twitch, Vimeo, and other websites in mere seconds. Enjoy your favorite content anytime; even with no Internet connection. 4K Video Downloader+ works faster than any other free video downloader and saves audio and videos in flawless quality. Download YouTube single videos, playlists, and entire channels with a single click. Enjoy 360-degree videos download. Search and download content right from the in-app browser. Save audio and videos from dozens of websites. Extract subtitles from YouTube videos. And a lot more with 4K Video Downloader+!

Seobility checks your complete website, by crawling all linked pages. All found pages with errors, problems with the on-page optimization or problems regarding the page content like duplicate content are collected and displayed in each check section. Of course, you can also analyze all problems of a single page in our page browser. For a sustainable and continuous review of your website, each project is constantly crawled and analyzed by our crawlers to track the progress of your optimization. You will also be notified by our monitoring service with the status of your website via e-mail, if server errors and major problems occur. Seobility not only provides a detailed SEO audit but also gives tips and instructions on how to fix the problems found on your website. By fixing these issues, you make sure that Google can access all of your relevant content and understand what it’s about in order to match it with suitable search queries.

Code-Cube.io is the full-stack observability platform that protects your dataLayer, tags and conversion data. It detects tracking issues instantly and provides real-time alerts to prevent data loss and performance drops. The platform eliminates the need for manual QA by continuously auditing tracking implementations across websites and applications. Users gain full visibility into how tags and events behave across both client-side and server-side environments. Code-Cube.io ensures that marketing data remains accurate, enabling better decision-making, preventing wasted ad spend and maximizing campaign performance.

Keeper Security is transforming the way people and organizations around the world secure their passwords and passkeys, secrets and confidential information. Keeper’s easy-to-use cybersecurity platform is built on a foundation of zero-trust and zero-knowledge security to protect every user on every device. Keeper’s solution deploys in minutes and seamlessly integrates with any tech stack to prevent breaches, reduce help desk costs and ensure compliance. Trusted by millions of individuals and thousands of organizations globally, Keeper is the leader for best-in-class password and passkey management, secrets management, privileged access, secure remote access and encrypted messaging. Protect what matters at KeeperSecurity.com.

Protect your business against damaging data breaches and easily comply with security frameworks like ISO 27001, GDPR, and HIPAA. Our software-only virtual private network easily integrates with your existing infrastructure to provide a flexible and scalable way to protect your organization. With our VPN Professional plan, you can securely access your LAN and SaaS resources by assigning and segmenting permissions to private dedicated VPN servers, allowing employees to access only what they need. With all plans, your network traffic is secured using strong AES-256 or ChaCha20 encryption. You can further strengthen your organization's security with enforced 2FA and seamless login through single sign-on (SSO) with SCIM support for automated user provisioning. Proton VPN's high-speed server network is one of the largest in the world and is part of a suite of open source end-to-end encrypted products from the makers of Proton Mail that are designed to keep your business secure.

Careerminds is a global workforce solutions provider specializing in outplacement, career and talent development, and job architecture. We combine modern technology with high-touch, one-to-one coaching to help organizations support employees through workforce change and growth. Our scalable delivery model enables consistent, personalized experiences, offering a flexible, cost-effective alternative to traditional firms. - Outplacement and redeployment: We’re the modern partner for HR leaders who demand results. Faster transitions, measurable impact, and cost efficiency, all powered by data and a smarter coaching model. - Job architecture and career frameworks: Enable skill development and role clarity. Give employees a clear pathway to develop in roles that benefit both them and the organization. - Talent development: Executive coaching and career development programs that grow talent, improve retention, and build future-ready workforces through modern career enablement technology.