Developer Tools
Growth signalNo paid features detectedLow-risk permissions
F12 icon

F12

A chrome extension to help a developer's life tab bit easier

Users791Current public install base
Rating5.0Store average score
Reviews3Public review volume
Manifest versionV3Extension platform version
7-day growth+3Net users gained this week
7-day growth rate+0.38%Relative weekly velocity
Preview

F12 Media preview

6 assets
Trend

30-day user trend

Review user movement over the last 30 days.

User Growth Over Time

7857887917937962026年6月21日2026年6月23日2026年6月25日Latest: 791
Rating trend

30-day rating change

Track rating movement over time to see whether quality signals remain stable.

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21日2026年6月23日2026年6月25日Latest: 5.00
2026年6月21日2026年6月25日
Growth overview

Daily, weekly, and monthly growth

Compare 1-day, 7-day, and 30-day net growth and growth rate.

1-day growthFlat
00%
7-day growthGrowing
+3+0.38%
30-day growthDeclining
-9-1.13%
Technical snapshot

Version, languages, and crawl freshness

Review publication date, version, supported languages, and crawl timestamps.

Version2.0.4
ManifestV3
Size3.54MiB
Languages1English
Published
Store updated
Last crawled
English
Overview

Product summary

Review the store description, core capabilities, and common use cases.

F12 is an all in one developer toolbox. It tries to give you all the tools that you need as a developer.

We currently have:

Unix time converter + timezone converter,

JWT Decoder,

Base64 Encoder / Decoder,

URL Inspector / Constructor,

Reviews

Recent review snapshot

Inspect the latest comments and rating distribution.

The Chrome Web Store shows 3 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★
0
1★
0
Related products

Similar and related extensions

Review related products from the Chrome Web Store detail page.