
Instant Domain Search
Lean Domain Search
DomainHole
GoDaddy
NameCheckup
Bluehost
Arvixe
Domainr is the only ICANN-accredited domain status API provider.

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, Domainr seems to be more popular. It has been mentioned 11 times since March 2021.
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | domainr.com | codekithub.com |
| Pricing | ||
| Platforms | — | |
| Listed in |
In their own words, as submitted to SaaSHub.


With direct, privileged access to domain registry data, the Domainr API instantly checks if a domain is available—with no false positives. In milliseconds, your customers will know if a domain is available, premium-priced, or for sale in any major aftermarket.
No description of CodeKitHub yet.
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
Domainr is recommended for entrepreneurs, startups, small business owners, marketers, and anyone else who is searching for a distinctive domain name that stands out. It is particularly useful for people looking to explore a wide range of domain extensions or aiming to secure a short or memorable domain name.
No analysis of CodeKitHub yet.
How often each product is chosen within a category, 0–100% relative to the other.


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


Use Domainr to find a domain by searching for keywords like your name or a project you're working on. - Source: dev.to / almost 2 years ago
Domainr is a domain search engine that helps users find available domain names across numerous extensions, offering real-time availability checks and alternative suggestions for creative and effective web addresses. - Source: dev.to / over 2 years ago
Kinda related I’ve used https://domainr.com/ for years. - Source: Hacker News / about 3 years ago
Tracking CodeKitHub since Jul 2026.
When comparing Domainr and CodeKitHub, you can also consider the following products.

Search domain names instantly by showing results as you type.
Compare Instant Domain Search to Domainr or CodeKitHub:

10015.io is an all-in-one toolbox offering many tools from various categories.
Compare 10015.io to Domainr or CodeKitHub:

Find a Great Domain Name w/ twitter handle availability
Compare Lean Domain Search to Domainr or CodeKitHub:

Fast developer tools that process your input locally in your browser. No account required.
Compare Bitty Coder to Domainr or CodeKitHub:

DomainHole has the tools to allow you to find a great domain name.
Compare DomainHole to Domainr 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 Domainr or CodeKitHub: