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XFeHelper - JSON格式化、编解码、二维码、开发者工具箱

Chrome extension by jollyfon · Productivity · Developer

A Chrome extension in Productivity · Developer with 4 users, barely installed.

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
4
Rating
not rated yet
Users, last 16 days
+4
Version
2026.7.28
Updated in the store
2026-08-20
Published
2026-08-20
Manifest
V3
Browser access
9 permissions, 3 site patterns

How it has moved

Users
+4 since 01.09
0-4 · 6 readings
  1. 2026-09-010
  2. 2026-09-033
  3. 2026-09-053
  4. 2026-09-093
  5. 2026-09-154
  6. 2026-09-164
Users
+4 since 01.09
0-4 · 6 readings
  1. 2026-09-010
  2. 2026-09-033
  3. 2026-09-053
  4. 2026-09-093
  5. 2026-09-154
  6. 2026-09-164

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing more than once 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.

  • See the address and title of every tab you have open tabs
  • Run its own code on the pages it can access scripting
  • See when you navigate between pages webNavigation
Show the remaining 6
  • Act on the current tab, but only after you click it activeTab
  • Schedule work to run later alarms
  • Add items to the right-click menu contextMenus
  • Show you notifications notifications
  • Store data in your browser storage
  • Store data in your browser without the usual size limit unlimitedStorage

The full permission history for this extension

What changed recently

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

The publisher

jollyfon publishes 8 listings we track, 8k users between them.

  1. Octo微博相册批量下载 jollyfon · Lifestyle · Art · published 2019-08-07 4k users ★ 4.4
  2. Octoman微博备份 jollyfon · Productivity · Workflow · published 2020-02-10 4k users ★ 4.4
  3. Image Viewer jollyfon · Productivity · Tools · published 2026-08-24 49 users ★ 5.0
Show 4 more from this publisher
  1. DeepSeek Sidebar jollyfon · Productivity · Tools · published 2026-06-15 14 users ★ 5.0
  2. JsonBolt jollyfon · Productivity · Developer · published 2026-07-03 9 users ★ 5.0
  3. Rancher Deployment Watch jollyfon · Productivity · Developer · published 2026-07-16 6 users ★ 5.0
  4. Octoman Read Later jollyfon · Productivity · Tools · published 2026-06-27 6 users ★ 5.0

Like this one

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

  1. FeHelper - JSON格式化、编解码、二维码、开发者工具箱 Describes nearly the same job, with a large installed audience 200k users ★ 4.6
  2. 开发者工具箱 Describes nearly the same job, smaller audience 2 users (last published figure)
  3. 雨辰辰-开发工具助手 Describes nearly the same job, smaller audience 5 users
  4. 小蜜蜂工具箱 Describes nearly the same job, smaller audience 32 users
  5. DevTools Suite Describes nearly the same job, smaller audience 9 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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Figures come from our own daily pass over the public Chrome Web Store listing, last read on . We publish no contact details for extension developers.