Browser as a platform — office tools and IT utilities without a server, without installation, without registration

▤ Summary

This article presents two browser-based software projects that run without a server, installation, or registration. DarkenAmber IT Tools offers utilities such as PDF, JWT, hash, and subnet tools that keep data in localStorage and use Web Crypto and other browser APIs. ZeroOffice provides office-style functions including PDF merging, chart creation, Excel handling, and AI-assisted document workflows through client-side libraries and an external API. The message centers on lightweight, browser-first productivity software that can be used directly from a live link or GitHub repository.

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