
Shodan
ZoomEye
Criminal IP
UpGuard
FOFA
Recorded Future
Rapid7
Censys helps organizations, individuals, and researchers find and monitor every server on the Internet to reduce exposure and improve security.

10015.io
Bitty Coder
CodeSwissKnife
ToolKitKE
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, Censys seems to be more popular. It has been mentioned 13 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | censys.com | codekithub.com |
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In their own words, as submitted to SaaSHub.


Attack Surface Management (ASM) At Censys, we can see it all. Our world-leading attack surface management platform gives organizations a sixth sense — relentlessly monitoring assets, seeing the unseen, and proactively giving security teams an opportunity to solve issues before they have a chance...
No description of CodeKitHub yet.
What each product offers, as listed by its team.


Possible disadvantages
Walkthroughs and reviews on video.
Attack Surface Management
No CodeKitHub videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Censys 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 Censys and CodeKitHub. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


You should be able to see scans from censys.io, and other. Source: over 3 years ago
Some tools to consider: Gitleaks - open-source secret scanner for git repositories, files, and directories. Retire.js - dependency check tool for client JS code. Censys - It’s a search engine that you can use, for example, to scan any... Source: over 3 years ago
You also have censys.io, but I do not have much experience with them. Source: over 3 years ago
Tracking CodeKitHub since Jul 2026.
When comparing Censys and CodeKitHub, you can also consider the following products.

Shodan is the world's first search engine for Internet-connected devices.
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10015.io is an all-in-one toolbox offering many tools from various categories.
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Fast developer tools that process your input locally in your browser. No account required.
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Criminal IP protects IT assets and businesses by analyzing all years of cyber threats and prediciting exploits. Criminal IP provides real-time intelligence to enhance cybersecurity competencies in all aspects.
Compare Criminal IP to Censys or CodeKitHub:
Feature-packed developer toolkit. Includes text conversion, encoding, UUID generation, cryptography, color conversion, JSON/XML formatting, and more for simplified, efficient development tasks without online data transmission.
Compare CodeSwissKnife to Censys or CodeKitHub: