
Firebase
AppWrite
Vercel
Next.js
PocketBase.io
Hasura
Railway
An open source Firebase alternative

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, Supabase seems to be more popular. It has been mentioned 556 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | supabase.com | codekithub.com |
| Pricing | ||
| Platforms | — | |
| Company | Startup from the United States | — |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of CodeKitHub yet.
Walkthroughs and reviews on video.
Basic demo
More videos
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 Supabase 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 Supabase and CodeKitHub. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Supabase combines PostgreSQL with authentication, storage, realtime functionality, and other backend services, making it a great fit for teams looking for an all-in-one platform. Teams with specialized PostgreSQL...
Supabase offers an open-source PostgreSQL backend that is tailored for developers with simplicity and scalability requirements. Its fully managed infrastructure aligned with integrated APIs makes it an excellent...
Supabase: An open-source BaaS alternative to Firebase, offering instant Postgres APIs, auth, edge functions, and growing AI-ready tooling. Ideal for modern dev teams but limited in orchestration and multi-agent flows.
We have no reviews of CodeKitHub yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


A free Supabase account (a hosted PostgreSQL database). - Source: dev.to / 1 day ago
Provision managed resources (Postgres, MongoDB, Kafka, RabbitMQ, etc.) from DigitalOcean, Supabase, Scaleway, AWS, or Google Cloud. It doesn't really matter which; they all offer good SLAs. - Source: dev.to / 12 days ago
Opus, zero nudges. Realised on its own that an abandoned signup never fires identify, triangulated the anonymous session from time, platform and registration events, decoded the PostHog replay blobs, confirmed the duplicate account in... - Source: dev.to / 3 months ago
Tracking CodeKitHub since Jul 2026.
When comparing Supabase and CodeKitHub, you can also consider the following products.

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Appwrite provides web and mobile developers with a set of easy-to-use and integrate REST APIs to manage their core backend needs.
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Fast developer tools that process your input locally in your browser. No account required.
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Vercel is the platform for frontend developers, providing the speed and reliability innovators need to create at the moment of inspiration.
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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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