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The Cyber Swiss Army Knife

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100% offline, privacy-first developer utilities. 15 daily tools in one tab with ⌘K command palette.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | gchq.github.io | devarmory.org |
| Pricing | — | |
| Company | — | Startup from the United States · 1 - 9 employees · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of CyberChef yet.
DevArmory is an offline-ready, privacy-first developer utility suite designed to replace scattered bookmarks with a single, high-performance workspace. Unlike traditional online formatters that quietly upload user inputs to remote backends, DevArmory operates 100% in local browser memory. Your...
What each product offers, as listed by its team.


No features have been listed yet.
Walkthroughs and reviews on video.
Decoding with CyberChef - TryHackMe! Advent of Cyber Day 22
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing CyberChef and DevArmory.org.
DevArmory.org's answer:
DevArmory is 100% client-side and offline-first. All parsing, code diffing, formatting, and JWT decoding execute purely in local browser memory using modern Web APIs. No user data, proprietary code, or API tokens are ever transmitted to or stored on a remote server.
DevArmory.org's answer:
Unlike bloated, ad-cluttered online formatters that upload code to unknown servers or charge recurring subscriptions, DevArmory is completely free, lightning-fast, and privacy-first. It includes a built-in ⌘K command palette, PWA offline capability, and client-side team sharing links.
DevArmory.org's answer:
Software engineers, web developers, DevOps professionals, QA testers, and digital creators who need fast, daily utilities without security or compliance risks.
DevArmory.org's answer:
DevArmory was built out of frustration with sketchy online formatters that log user payloads to remote backends. When dealing with customer PII, internal SQL queries, and API authorization tokens, sending code to third parties is a major security hazard. DevArmory was created to give engineers an everyday armory that guarantees complete client-side privacy.
DevArmory.org's answer:
HTML5, Modern CSS3, Vanilla JavaScript (ES6+), Web Workers, Service Workers (PWA), and native browser Web APIs (crypto.subtle, Canvas, LocalStorage).
DevArmory.org's answer:
Share your experience with using CyberChef and DevArmory.org. For example, how are they different and which one is better?
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