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Username Checker By Serba Marketing icon

Username Checker By Serba Marketing

Check username and domain availability directly from a Chrome extension.

Users5Current public install base
Rating5.0Store average score
Reviews1Public review volume
Manifest versionV3Extension platform version
7-day growth-1Net users gained this week
7-day growth rate-16.7%Relative weekly velocity
Preview

Username Checker By Serba Marketing Media preview

1 assets
Trend

30-day user trend

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User Growth Over Time

023572026年6月13日2026年6月16日2026年6月19日Latest: 5
Rating trend

30-day rating change

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30-day rating change

Start
5.00
Latest
5.00
30-day rating change
0.00
4.904.955.005.055.102026年6月13日2026年6月16日2026年6月19日Latest: 5.00
2026年6月13日2026年6月19日
Growth overview

Daily, weekly, and monthly growth

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1-day growthDeclining
-1-16.7%
7-day growthDeclining
-1-16.7%
30-day growthGrowing
+2+66.7%
Technical snapshot

Version, languages, and crawl freshness

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Version0.1.1
ManifestV3
Size60.96KiB
Languages1English
Published
Store updated
Last crawled
English
Overview

Product summary

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## Serba Marketing Username Checker

This Chrome extension helps users check username and domain availability across multiple targets in one compact workflow. It is useful for brand research, business username validation, and quick domain idea screening without manually visiting every site one by one.

## Key Features

- Check multiple usernames at once with comma-separated input.

- Username checks for YouTube, GitHub, Threads, TikTok, and Instagram.

- Domain checks for `.com`, `.id`, `.co.id`, and `.net`.

Reviews

Recent review snapshot

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The Chrome Web Store shows 1 reviews, but only 0 review bodies have synced into ExtScope so far. Showing the synced reviews available right now.

5★
0
4★
0
3★
0
2★
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1★
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