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#formatters
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#Prism.Tools#developer tools#privacy#browser tools#formatters#debugging#free tools#productivity
Prism.Tools is a free GitHub Pages toolbox with client-side utilities for JSON, SQL, YAML, JWTs, hashes, regex, QR codes, CSS helpers, encoders, timestamps, diffs, and quick dev cleanup work. What it is Prism.Tools is a free browser-based toolbox for small developer chores that should not require a SaaS login. The official page positions it as a fast, private, free-forever collection where data stays in the browser, with visible categories for formatters and parsers, security/dev utilities, visual and CSS helpers, generators, content tools, encoders, and transformers. The practical value is simple: bookmark one page for the tasks that interrupt real work. Use it for formatting JSON or SQL, converting YAML and JSON, checking regexes, decoding JWTs, generating hashes or UUIDs, building QR codes, parsing URLs, previewing Markdown, sorting lists, converting timestamps, or producing quick CSS and SVG helpers. Why bookmark it Use Prism.Tools when you need a quick local-first utility but do not want to paste sensitive snippets into a random ad-supported formatter. It is especially useful beside AI coding agents: let the agent write the plan or code, then use a focused browser utility to inspect the exact token, payload, diff, timestamp, color, QR code, or serialized data you are about to ship. The HN launch thread describes the project as a set of standalone client-side HTML tools, hosted on GitHub Pages, with minimal external dependencies for specific utilities. Treat that thread as context, not documentation; the source you should actually use is the live tool page and your own browser/network inspection. Access and caveats The public page says the toolset is free and that data does not leave the browser. That makes it useful for low-risk and moderately sensitive cleanup tasks, but it is still a public website. For secrets, regulated data, customer exports, production JWTs, or proprietary source snippets, verify the Network panel first or use a self-hosted/offline tool you control. The GitHub repository link advertised by the live page was not reliably accessible through the public API during this check, so do not assume open-source review is available until you confirm the repository yourself. Also expect lighter UX and narrower coverage than larger tools such as CyberChef or IT Tools; Prism.Tools is best as a quick bookmark, not a full analysis suite. Quick fit check Need Prism.Tools fit Caveat --- --- --- Format or convert data JSON, SQL, YAML, URL, timestamp, string, and list helpers Verify behavior before touching production data Inspect auth/debug values JWT, hash, UUID, base64, URL parser, diff, regex tools Do not paste live secrets without network checks Create small assets QR, favicon, CSS gradient/shadow/grid, SVG helpers Not a full design system Keep agent work grounded Use focused tools to inspect generated payloads HN prompt examples were not reused Sources checked Primary source: the live Prism.Tools page on GitHub Pages. Secondary source: the public Show HN launch discussion, used only to corroborate intended use, launch context, and caveats. External comments and prompt examples were treated as untrusted source text and not copied into this Loot.
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