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The Social-Engineer Toolkit is an open source penetration testing framework designed for social...

10015.io
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devtoolz.dev
Code Beautify JSON Validator
FreeFormatter
Free online tools: JSON formatter, password generator, QR code maker, calculators, converters and more. Fast, private, no login — everything runs in your browser.

Which is more popular?
Based on our record, Social-Engineer Toolkit seems to be more popular. It has been mentioned 2 times since March 2021.
Website, pricing, platforms and company facts side by side.
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What each product offers, as listed by its team.


Possible disadvantages
Walkthroughs and reviews on video.
Stealing Credentials with the Social-Engineer Toolkit (SET)
More videos
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Social-Engineer Toolkit and CodeKitHub.
CodeKitHub's answer:
CodeKitHub's answer:
Compared to single-purpose sites like JSONFormatter.org or CodeBeautify that only handle one task, CodeKitHub covers the same ground plus image, PDF, QR, and calculator tools in one place — useful if you regularly switch between different tool types during a workday.
Unlike FreeFormatter (which recently shut down its service), CodeKitHub's tools require no backend at all — everything runs as static, client-side JavaScript, so there's no server cost pressure driving ads, paywalls, or future shutdowns of the kind that killed similar sites.
If you need a tool site in a language other than English — Spanish, French, German, Japanese, Korean, Chinese, and others — CodeKitHub is one of the few free tool sites that actually localizes the full interface rather than just running it through machine translation on top of an English-only tool.
CodeKitHub's answer:
CodeKitHub serves two overlapping groups:
Traffic data shows both groups in practice: technical tools (QR generator/decoder, Base64 encoder, JSON tools) draw developer-heavy referral sources like Hacker News and ChatGPT, alongside broader organic search traffic for everyday utility tasks.
CodeKitHub's answer:
CodeKitHub started as a small set of browser-based developer utilities and grew into a 120+ tool collection covering JSON formatting, encoding, image/PDF processing, calculators and more. The core principle from the start was that every tool should run entirely client-side — no backend, no data leaving the user's browser — which keeps the tools fast, private, and cheap enough to run without ads getting in the way. The site has since expanded to 13 languages to serve users beyond English-speaking markets.
CodeKitHub's answer:
Share your experience with using Social-Engineer Toolkit and CodeKitHub. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


There's programs out there to make these malicious PDFs, word documents, etc https://github.com/trustedsec/social-engineer-toolkit. Source: over 3 years ago
Social Engineer Toolkit (SET) - Open source pentesting framework designed for social engineering featuring a number of custom attack vectors to make believable attacks quickly. - Source: dev.to / almost 5 years ago
Tracking CodeKitHub since Jul 2026.
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