
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.

Inferno
Preact.js
Blocks.js
w2ui
Glimmer
Svelte
Select2
Functional view library for building UI components as an alternative to React
Which is more popular?
Website, pricing, platforms and company facts side by side.
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| Website | codekithub.com | github.com |
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| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
Walkthroughs and reviews on video.
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing CodeKitHub and Deku.
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 CodeKitHub and Deku. For example, how are they different and which one is better?
When comparing CodeKitHub and Deku, you can also consider the following products.

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An extremely fast React-like javascript library for building modern user interfaces.
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Fast developer tools that process your input locally in your browser. No account required.
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Preact is a fast 3kB alternative to React with the same modern API. Components & Virtual DOM.
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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.
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Deprecated repository. Contribute to Tixit/blocks.js development by creating an account on GitHub.
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