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Sincelast — Free Website Change Monitor & Price Tracker for Any Page

Chrome extension by niallcodes · Productivity · Tools

  • Trader

A Chrome extension in Productivity · Tools 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 5 screenshots

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

Users
4
Rating
not rated yet
Users, last 17 days
+1
Version
1.0.1
Updated in the store
2026-07-22
Published
2026-07-22
Manifest
V3
Browser access
7 permissions, 1 site pattern

How it has moved

Users
+1 since 31.08
2-4 · 6 readings
  1. 2026-08-313
  2. 2026-09-042
  3. 2026-09-062
  4. 2026-09-083
  5. 2026-09-154
  6. 2026-09-164
Users
+1 since 31.08
2-4 · 6 readings
  1. 2026-08-313
  2. 2026-09-042
  3. 2026-09-062
  4. 2026-09-083
  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
  • Schedule work to run later alarms
Show the remaining 4
  • Show you notifications notifications
  • Run work in a hidden page offscreen
  • 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

niallcodes publishes 18 listings we track, 238 users between them.

  1. Pipette — Color Picker, Eyedropper & Color Wheel: Palettes & CSS Export niallcodes · Productivity · Tools · published 2026-07-08 41 users
  2. Snipdrop — Screenshot & Snipping Tool, Bulk Image Downloader niallcodes · Productivity · Tools · published 2026-07-01 35 users ★ 4.0
  3. Tab Buddy — Session & Tab Manager niallcodes · Productivity · Workflow · published 2026-07-20 20 users
Show 5 more from this publisher
  1. PeekPic — Hover to Zoom Any Image niallcodes · Productivity · Tools · published 2026-07-09 16 users
  2. DocKit — PDF, Word & Excel Tools, eSign & Translate niallcodes · Productivity · Tools · published 2026-07-07 15 users
  3. Nope — Reject Cookie Banners, Block Popups & Web Annoyances, Free niallcodes · Productivity · Tools · published 2026-07-21 15 users
  4. JSON Peek — JSON Viewer, Formatter, Tree & jq Filter niallcodes · Productivity · Developer · published 2026-07-09 14 users ★ 4.0
  5. Qode — QR Code Generator & Scanner for Any Page or Text niallcodes · Productivity · Tools · published 2026-07-20 12 users

Like this one

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

  1. Website Change Monitor & Alerts - Noticer Describes nearly the same job, smaller audience 20 users ★ 5.0
  2. PagePulse — Website Change Monitor Describes nearly the same job, smaller audience 90 users ★ 5.0
  3. PagePulse – Website Change Tracker Describes nearly the same job, smaller audience 7 users
  4. WebMonitor: Website Change Monitor & Price Tracker Describes nearly the same job, smaller audience 10 users
  5. PageCrawl - Website Change Monitor Describes nearly the same job, smaller audience 129 users ★ 5.0

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.