Extension Tracker

Watermark Overlay

90 users Rated 5.00 from 1 rating Last updated 12 May 2026

By javacpc Live in the Chrome Web Store hmpcldgikaeeobbcmbghjljflkpghkmm Last checked 27 Sep 2026, 02:38 UTC

The listing

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

A Chrome extension to display customizable watermarks on any webpage.Summary from the listing
Developer
javacpc
Trader status
Declared a trader under EU law
Category
Productivity › Education
First published
2 Nov 2024
Last updated
12 May 2026
Version
2.0
Size
3.94 MiB
Minimum Chrome
88
Languages
1 language

中文（台灣）

Support page
https://github.com/javacpcx/watermark-extension
Open in the Chrome Web Store ↗ Download the CRX from Google ↗
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
2026-09-27905.001
Users, 7 days
–
needs a week of history
Users, 30 days
–
needs a month of history
Rank
#68,553
by users, of 264,254 extensions
In its category
#2,234
of 11,028 in Education

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 where it runs scripts
  • <all_urls>Every website
Browser features
  • scriptingRun scripts on sites it can reach
  • storageSave settings and data in your browser
  • tabsRead the addresses and titles of your tabs

More from this developer

Other extensions from the same publisher account

ExtensionUsersRatingRatingsCategory
番茄鐘136 5.003 Tools
Signature and Encryption62 5.002 Tools
體驗活動課程工具47 5.002 Education
龜甲易占 (Turtle Shell I-Ching)25 5.001 Tools
Live Interpreter Pro23 –– Education
TV Data Sniffer v623 –– Tools
Refinery AI Assistant12 –– Workflow & Planning
CRSM 課程掛號系統9 –– Education
All 9 extensions by javacpc →

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, 02:38 UTC; next check around 1 Oct 2026.

How we collect the data

Cite this page

Citation
Extension Tracker. “Watermark Overlay” (hmpcldgikaeeobbcmbghjljflkpghkmm). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/hmpcldgikaeeobbcmbghjljflkpghkmm. Accessed 2026-09-28.
BibTeX
@misc{extensiontracker_hmpcldgikaeeobbcmbghjljflkpghkmm,
  title   = {Watermark Overlay (hmpcldgikaeeobbcmbghjljflkpghkmm)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/hmpcldgikaeeobbcmbghjljflkpghkmm},
  urldate = {2026-09-28}
}

The data is free to reuse under CC BY 4.0.

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