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QRCode Helper

Chrome extension by Rongjian Zhang · Productivity · Workflow

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A Chrome extension in Productivity · Workflow with 23 users, barely installed. Audience over the last 30 days: -1.

Every site you visit. This extension can read and change the content of any page you open.

What the developer says, and 2 screenshots

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
23
Rating
not rated yet
Users, last 30 days
-1
Version
0.1.0
Updated in the store
2023-07-29
Published
2019-01-16
Manifest
V3
Browser access
1 permission, 1 site pattern

How it has moved

Users
-1 since 01.10
21-24 · 10 readings
  1. 2026-10-0422
  2. 2026-10-0923
  3. 2026-10-1021
  4. 2026-10-1322
  5. 2026-10-1823
  6. 2026-10-1922
  7. 2026-10-2423
  8. 2026-10-2522
  9. 2026-10-3023
  10. 2026-10-3123
Users
+2 since 31.08
19-26 · 20 readings
  1. 2026-08-3121
  2. 2026-09-0522
  3. 2026-09-0823
  4. 2026-09-0922
  5. 2026-09-1319
  6. 2026-09-1522
  7. 2026-09-2026
  8. 2026-09-2124
  9. 2026-09-2526
  10. 2026-09-2824
  11. 2026-10-0422
  12. 2026-10-0923
  13. 2026-10-1021
  14. 2026-10-1322
  15. 2026-10-1823
  16. 2026-10-1922
  17. 2026-10-2423
  18. 2026-10-2522
  19. 2026-10-3023
  20. 2026-10-3123

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

Every site you visit. This extension can read and change the content of any page you open.

The full permission history for this extension

What changed recently

Nothing has moved on this listing since we started watching it.

The publisher

Rongjian Zhang publishes 7 listings we track, 64k users between them.

  1. JSON Viewer Rongjian Zhang · Productivity · Developer · published 2018-03-04 30k users ★ 4.7
  2. System Monitor Rongjian Zhang · Productivity · Developer · published 2014-11-09 10k users ★ 4.6
  3. Console Importer Rongjian Zhang · Productivity · Developer · published 2017-02-28 10k users ★ 4.7
Show 3 more from this publisher
  1. HTTP Indicator Rongjian Zhang · Productivity · Developer · published 2018-03-24 10k users ★ 4.4
  2. Octohint Rongjian Zhang · Productivity · Developer · published 2017-04-12 3k users ★ 4.6
  3. Memory Monitor Rongjian Zhang · Productivity · Developer · published 2014-11-09 1k users ★ 4.8

Like this one

Listings the catalog judges closest in what they say they do.

  1. QR Helper Describes nearly the same job, smaller audience 151 users ★ 5.0
  2. QR Code Generator And Reader Describes nearly the same job, smaller audience 32 users
  3. QR Code Viewer Describes nearly the same job, smaller audience 5 users
  4. QR Code Maker and Decoder Describes nearly the same job, with an established audience 10k users ★ 3.3
  5. QRCode Describes nearly the same job, smaller audience 4 users

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

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The badge shows the audience and rating from our last pass over the store and links back to this page.

Users and rating on Ext Ops Panel

Markdown

[![Users and rating on Ext Ops Panel](https://extops.dev/extensions/cdahfnnglcbigfkcdobmcijchcckponj/badge.svg)](https://extops.dev/extensions/cdahfnnglcbigfkcdobmcijchcckponj)

HTML

<a href="https://extops.dev/extensions/cdahfnnglcbigfkcdobmcijchcckponj"><img src="https://extops.dev/extensions/cdahfnnglcbigfkcdobmcijchcckponj/badge.svg" alt="Users and rating on Ext Ops Panel" height="20"></a>

Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-10-30. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built