Extension Tracker

Contrast Booster AA(4.5:1)

17 users Rated 5.00 from 1 rating Last updated 16 Oct 2025

By None Live in the Chrome Web Store jfagpppfclhbkaamcbjombmdifmklako Last checked 27 Sep 2026, 03:35 UTC

The listing

What the Chrome Web Store shows, as of the last check

読みづらい文字色と背景色のコントラストをAA(4.5:1)以上になるように自動補正します。グローバルとサイト単位でON/OFF可。Summary from the listing
Developer
None
Trader status
Not declared a trader under EU law
Category
Productivity › Tools
First published
16 Oct 2025
Last updated
16 Oct 2025
Version
0.1.1
Size
2.75 MiB
Minimum Chrome
88
Languages
1 language

日本語

Privacy policy
https://docs.google.com/document/d/1lXe9x08ycW-VUkXtr14Jy8DKEZ_QsuhX8mcdfGXXBjw/
Open in the Chrome Web Store ↗ View the code or download the CRX in CRX Viewer ↗
Users over time As shown on the Chrome Web Store

Tracking began on 27 Sep 2026. The chart appears after the second check.

Show the numbers
CheckedUsersRatingRatings
2026-09-27175.001
Users, 7 days
–
needs a week of history
Users, 30 days
–
needs a month of history
Rank
#125,448
by users, of 264,703 extensions
In its category
#44,345
of 103,498 in Tools

What changed

Every change found on a check, newest first

No changes found since tracking began on 27 Sep 2026.

What it can access

From the extension's manifest, in plain language

Every websiteIt can read and change your data on all the sites you visit.
Sites
  • <all_urls>Every website
Sites where it runs scripts
  • <all_urls>Every website
Browser features
  • activeTabThe tab you're on, only after you click the extension
  • storageSave settings and data in your browser

More from this developer

Other extensions from the same publisher account

ExtensionUsersRatingRatingsCategory
Autoplay Blocker118 2.333 Tools
Auto Page Shrinker – ページを自動縮小して画面を整理27 5.001 Tools
All 3 extensions by None →

About this data

Collected from the extension's public Chrome Web Store listing. It's checked every month, and again whenever a new version appears. Last checked 27 Sep 2026, 03:35 UTC; next check around 21 Oct 2026.

How we collect the data

Cite this page

Citation
Extension Tracker. “Contrast Booster AA(4.5:1)” (jfagpppfclhbkaamcbjombmdifmklako). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/jfagpppfclhbkaamcbjombmdifmklako. Accessed 2026-09-28.
BibTeX
@misc{extensiontracker_jfagpppfclhbkaamcbjombmdifmklako,
  title   = {Contrast Booster AA(4.5:1) (jfagpppfclhbkaamcbjombmdifmklako)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/jfagpppfclhbkaamcbjombmdifmklako},
  urldate = {2026-09-28}
}

The data is free to reuse under CC BY 4.0.

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