
Namechk
KnowEm
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Instant Username Search
Check name availability across 93+ platforms instantly

DevTools Advanced
FullStackToolkit
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JSON Formatter & Validator
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Boop
DeveloperTools.Tech
120 free browser-based developer utilities. No sign-up required.
Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | qezir.com | devtoolstack.io |
| Pricing | ||
| Platforms | — | |
| Company | Startup from India · 1 - 9 employees · 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Qezir is a domain and username availability checker that allows founders, developers, and creators to verify name availability across multiple platforms in one search. It performs parallel checks across domain TLDs and social networks, with real-time streaming results. Qezir is completely free...
No description of DeveloperToolStack 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
No analysis of DeveloperToolStack yet.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Qezir and DeveloperToolStack.
Qezir's answer
Qezir combines parallel availability checks with a clean, distraction-free interface. It streams results in real time instead of forcing users to wait for a full page refresh. The platform is completely free, contains no ads, and does not require an account to access core functionality.
Qezir's answer
Qezir is built for:
Qezir's answer
Qezir focuses on simplicity and transparency. It is fully free to use, does not include ads, and does not lock essential features behind a paywall. Searches run in parallel and results appear as they are received, reducing wait time. Optional accounts allow users to save search history and access basic analytics without restricting core access.
Qezir's answer
Qezir started as a personal utility. While exploring new project ideas, checking domain and social availability manually across multiple platforms became repetitive. Existing tools solved the problem but did not fully match the desired workflow. Qezir was built to simplify that process by combining multiple checks into one fast, minimal interface.
Qezir's answer
Qezir is built using:
Qezir's answer
Currently used primarily by:
Share your experience with using Qezir and DeveloperToolStack. For example, how are they different and which one is better?
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